| Abbreviation | Description | Units |
| ---------|:-----|---------- |
| WSPD | 10 Metre neutral wind speed over waves | m/s |
| WDRT | 10 Metre Wind Direction Over Waves | Degree |
| ARI12H1000YR | 12H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI12H100YR | 12H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI12H10YR | 12H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI12H1YR | 12H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI12H200YR | 12H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI12H25YR | 12H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI12H2YR | 12H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI12H500YR | 12H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI12H50YR | 12H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI12H5YR | 12H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP12H | 12 hour Precipitation Accumulation Return Period | year |
| GaugeInfIndex12H | 12 hour QPE Gauge Influence Index |  |
| FFG12 | 12-hr flash flood guidance | mm |
| FFR12 | 12-hr flash flood runoff values | mm |
| EchoTop18 | 18 dBZ Echo Top | km |
| ARI1H1000YR | 1H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI1H100YR | 1H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI1H10YR | 1H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI1H1YR | 1H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI1H200YR | 1H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI1H25YR | 1H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI1H2YR | 1H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI1H500YR | 1H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI1H50YR | 1H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI1H5YR | 1H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP01H | 1 hour Precipitation Accumulation Return Period | year |
| GaugeInfIndex01H | 1 hour QPE Gauge Influence Index |  |
| QPEFFG01H | 1 hour QPE-to-FFG Ratio | % |
| FFG01 | 1-hr flash flood guidance | mm |
| FFR01 | 1-hr flash flood runoff values | mm |
| QPE01 | 1-hr Quantitative Precip Estimate | mm |
| QPE01_ACR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_ALR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_FWR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_KRF | 1-hr Quantitative Precip Estimate | mm |
| QPE01_MSR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_ORN | 1-hr Quantitative Precip Estimate | mm |
| QPE01_PTR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_RHA | 1-hr Quantitative Precip Estimate | mm |
| QPE01_RSA | 1-hr Quantitative Precip Estimate | mm |
| QPE01_STR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_TAR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_TIR | 1-hr Quantitative Precip Estimate | mm |
| QPE01_TUA | 1-hr Quantitative Precip Estimate | mm |
| EVEC1 | 1st Vector Component of Electric Field | V\*m^1 |
| BVEC1 | 1st Vector Component of Magnetic Field | T |
| VEL1 | 1st Vector Component of Velocity (Coordinate system dependent) | m\*s^1 |
| TCSRG20 | 20% Tropical Cyclone Storm Surge Exceedance | m |
| ARI24H1000YR | 24H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI24H100YR | 24H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI24H10YR | 24H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI24H1YR | 24H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI24H200YR | 24H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI24H25YR | 24H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI24H2YR | 24H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI24H500YR | 24H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI24H50YR | 24H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI24H5YR | 24H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP24H | 24 hour Precipitation Accumulation Return Period | year |
| GaugeInfIndex24H | 24 hour QPE Gauge Influence Index |  |
| FFG24 | 24-hr flash flood guidance | mm |
| FFR24 | 24-hr flash flood runoff values | mm |
| QPE24 | 24-hr Quantitative Precip Estimate | mm |
| QPE24_ACR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_ALR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_FWR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_KRF | 24-hr Quantitative Precip Estimate | mm |
| QPE24_MSR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_ORN | 24-hr Quantitative Precip Estimate | mm |
| QPE24_PTR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_RHA | 24-hr Quantitative Precip Estimate | mm |
| QPE24_RSA | 24-hr Quantitative Precip Estimate | mm |
| QPE24_STR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_TAR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_TIR | 24-hr Quantitative Precip Estimate | mm |
| QPE24_TUA | 24-hr Quantitative Precip Estimate | mm |
| QPF24 | 24-hr Quantitative Precip Forecast | mm |
| QPF24_ACR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_ALR 205 | 24-hr Quantitative Precip Forecast | mm |
| QPF24_FWR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_KRF | 24-hr Quantitative Precip Forecast | mm |
| QPF24_MSR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_ORN | 24-hr Quantitative Precip Forecast | mm |
| QPF24_PTR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_RHA | 24-hr Quantitative Precip Forecast | mm |
| QPF24_RSA | 24-hr Quantitative Precip Forecast | mm |
| QPF24_STR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_TAR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_TIR | 24-hr Quantitative Precip Forecast | mm |
| QPF24_TUA | 24-hr Quantitative Precip Forecast | mm |
| ARI2H1000YR | 2H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI2H100YR | 2H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI2H10YR | 2H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI2H1YR | 2H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI2H200YR | 2H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI2H25YR | 2H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI2H2YR | 2H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI2H500YR | 2H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI2H50YR | 2H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI2H5YR | 2H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| EVEC2 | 2nd Vector Component of Electric Field | V\*m^1 |
| BVEC2 | 2nd Vector Component of Magnetic Field | T |
| VEL2 | 2nd Vector Component of Velocity (Coordinate system dependent) | m\*s^1 |
| EchoTop30 | 30 dBZ Echo Top | km |
| ARI30M1000YR | 30M Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI30M100YR | 30M Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI30M10YR | 30M Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI30M1YR | 30M Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI30M200YR | 30M Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI30M25YR | 30M Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI30M2YR | 30M Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI30M500YR | 30M Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI30M50YR | 30M Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI30M5YR | 30M Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP30min | 30 min Precipitation Accumulation Return Period | year |
| TCSRG30 | 30% Tropical Cyclone Storm Surge Exceedance | m |
| SALIN | 3-D Salinity |  |
| WTMPC | 3-D Temperature | ℃ |
| ARI3H1000YR | 3H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI3H100YR | 3H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI3H10YR | 3H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI3H1YR | 3H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI3H200YR | 3H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI3H25YR | 3H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI3H2YR | 3H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI3H500YR | 3H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI3H50YR | 3H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI3H5YR | 3H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP03H | 3 hour Precipitation Accumulation Return Period | year |
| GaugeInfIndex03H | 3 hour QPE Gauge Influence Index |  |
| QPEFFG03H | 3 hour QPE-to-FFG Ratio | % |
| FFG03 | 3-hr flash flood guidance | mm |
| FFR03 | 3-hr flash flood runoff values | mm |
| TSLSA | 3-hr pressure tendency (Std. Atmos. Reduction) | Pa/s |
| EVEC3 | 3rd Vector Component of Electric Field | V\*m^1 |
| BVEC3 | 3rd Vector Component of Magnetic Field | T |
| VEL3 | 3rd Vector Component of Velocity (Coordinate system dependent) | m\*s^1 |
| TCSRG40 | 40% Tropical Cyclone Storm Surge Exceedance | m |
| GaugeInfIndex48H | 48 hour QPE Gauge Influence Index |  |
| EchoTop50 | 50 dBZ Echo Top | km |
| TCSRG50 | 50% Tropical Cyclone Storm Surge Exceedance | m |
| 5WAVA | 5-wave geopotential height anomaly | gpm |
| 5WAVA | 5-Wave Geopotential Height Anomaly | gpm |
| 5WAVH | 5-wave geopotential height | gpm |
| 5WAVH | 5-Wave Geopotential Height | gpm |
| EchoTop60 | 60 dBZ Echo Top | km |
| TCSRG60 | 60% Tropical Cyclone Storm Surge Exceedance | m |
| ARI6H1000YR | 6H Average Recurrance Interval Accumulation 1000 Year | in\*1000 |
| ARI6H100YR | 6H Average Recurrance Interval Accumulation 100 Year | in\*1000 |
| ARI6H10YR | 6H Average Recurrance Interval Accumulation 10 Year | in\*1000 |
| ARI6H1YR | 6H Average Recurrance Interval Accumulation 1 Year | in\*1000 |
| ARI6H200YR | 6H Average Recurrance Interval Accumulation 200 Year | in\*1000 |
| ARI6H25YR | 6H Average Recurrance Interval Accumulation 25 Year | in\*1000 |
| ARI6H2YR | 6H Average Recurrance Interval Accumulation 2 Year | in\*1000 |
| ARI6H500YR | 6H Average Recurrance Interval Accumulation 500 Year | in\*1000 |
| ARI6H50YR | 6H Average Recurrance Interval Accumulation 50 Year | in\*1000 |
| ARI6H5YR | 6H Average Recurrance Interval Accumulation 5 Year | in\*1000 |
| PRP06H | 6 hour Precipitation Accumulation Return Period | year |
| GaugeInfIndex06H | 6 hour QPE Gauge Influence Index |  |
| QPEFFG06H | 6 hour QPE-to-FFG Ratio | % |
| FFG06 | 6-hr flash flood guidance | mm |
| FFR06 | 6-hr flash flood runoff values | mm |
| QPE06 | 6-hr Quantitative Precip Estimate | mm |
| QPE06_ACR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_ALR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_FWR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_KRF | 6-hr Quantitative Precip Estimate | mm |
| QPE06_MSR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_ORN | 6-hr Quantitative Precip Estimate | mm |
| QPE06_PTR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_RHA | 6-hr Quantitative Precip Estimate | mm |
| QPE06_RSA | 6-hr Quantitative Precip Estimate | mm |
| QPE06_STR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_TAR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_TIR | 6-hr Quantitative Precip Estimate | mm |
| QPE06_TUA | 6-hr Quantitative Precip Estimate | mm |
| QPF06 | 6-hr Quantitative Precip Forecast | mm |
| QPF06_ACR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_ALR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_FWR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_KRF | 6-hr Quantitative Precip Forecast | mm |
| QPF06_MSR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_ORN | 6-hr Quantitative Precip Forecast | mm |
| QPF06_PTR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_RHA | 6-hr Quantitative Precip Forecast | mm |
| QPF06_RSA | 6-hr Quantitative Precip Forecast | mm |
| QPF06_STR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_TAR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_TIR | 6-hr Quantitative Precip Forecast | mm |
| QPF06_TUA | 6-hr Quantitative Precip Forecast | mm |
| TCSRG70 | 70% Tropical Cyclone Storm Surge Exceedance | m |
| GaugeInfIndex72H | 72 hour QPE Gauge Influence Index |  |
| TCSRG80 | 80% Tropical Cyclone Storm Surge Exceedance | m |
| TCSRG90 | 90% Tropical Cyclone Storm Surge Exceedance | m |
| ABSD | Absolute divergence | s^-1 |
| ABSH | Absolute Humidity | kg m-3 |
| AH | Absolute humidity | kg/m^3 |
| ABSV | Absolute vorticity | s^-1 |
| ASD | Accumulated Snow Depth | m |
| ACOND | Aerodynamic conductance | m/s |
| AETYP | Aerosol type | (Code table 4.205) |
| AC137 | Air concentration of Caesium 137 | Bq/m^3 |
| AI131 | Air concentration of Iodine 131 | Bq/m^3 |
| ARADP | Air concentration of radioactive pollutant | Bq/m^3 |
| ALBDO | Albedo | % |
| ACWVH | Altimeter corrected wave height | m |
| ALRRC | Altimeter Range Relative Correction |  |
| ASET | Altimeter setting | Pa |
| AWVH | Altimeter wave height | m |
| ALTMSL | Altitude above mean sea level | m |
| ANCConvectiveOutlook | ANC Convective Outlook |  |
| ANCFinalForecast | ANC Final Forecast | dBZ |
| AOSGSO | Angle Of Sub-Grid Scale Orography | Rad |
| ASGSO | Anisotropy Of Sub-Grid Scale Orography | Numeric |
| APTMP | Apparent Temperature | K |
| ARBTXT | Arbitrary text string | CCITTIA5 |
| ASHFL | Assimilative Heat Flux | W/m^2 |
| AMIXL | Asymptotic mixing length scale | m |
| ATMDIV | Atmospheric Divergence | s^-1 |
| AVSFT | Average surface skin temperature | K |
| BARET | Bare soil surface skin temperature | K |
| BKENG | Barotropic Kinectic Energy | J/kg |
| UBARO | Barotropic U velocity | m/s |
| UBARO | Barotropic U Velocity | m/s |
| VBARO | Barotropic V velocity | m/s |
| VBARO | Barotropic V Velocity | m/s |
| BGRUN | Baseflow-groundwater runoff | mm |
| BASRV | Base radial velocity | m/s |
| BASR | Base reflectivity | dB |
| BASSW | Base spectrum width | m/s |
| 4LFTX | Best (4-layer) lifted index | K |
| 4LFTX | Best (4 layer) Lifted Index | K |
| BLI | Best lifted index (to 500 mb) | K |
| BMIXL | Blackadars mixing length scale | m |
| BLST | Bottom layer soil temperature | K |
| NONE | Bottom of Ocean Isothermal Layer | m |
| OBIL | Bottom of Ocean Isothermal Layer | m |
| NONE | Bottom of Ocean Mixed Layer (m) | m |
| OBML | Bottom of Ocean Mixed Layer (m) | m |
| BCBL | Boundary layer cloud bottom level |  |
| BCBL | Boundary Layer Cloud Bottom Level |  |
| BCLY | Boundary Layer Cloud Layer |  |
| BCY | Boundary layer cloud layer |  |
| BCY | Boundary Layer Cloud Layer |  |
| BCTL | Boundary layer cloud top level |  |
| BCTL | Boundary Layer Cloud Top Level |  |
| BLYSP | Boundary layer dissipation | W/m^2 |
| BrightBandBottomHeight | Bright Band Bottom Height | m |
| BrightBandTopHeight | Bright Band Top Height | m |
| BRTMP | Brightness temperature | K |
| CAIIRAD | CaII-K Radiance | W\*s\*r^1\*m^2 |
| CCOND | Canopy conductance | m/s |
| EVCW | Canopy water evaporation | W/m^2 |
| CONVP | Categorical Convection | categorical |
| CFRZR | Categorical Freezing Rain |  |
| CFRZR | Categorical Freezing Rain | Code table 4.222 |
| CFRZR | Categorical Freezing Rain | non-dim |
| CFRZR | Categorical freezing rain | (See Code table 4.222) |
| CFRZR | Categorical Freezing Rain (yes=1; no=0) |  |
| CFRZR | Categorical Freezing Rain (yes=1; no=0) | non-dim |
| CICEP | Categorical Ice Pellets |  |
| CICEP | Categorical Ice Pellets | Code table 4.222 |
| CICEP | Categorical Ice Pellets | non-dim |
| CICEP | Categorical ice pellets | (See Code table 4.222) |
| CICEP | Categorical Ice Pellets (yes=1; no=0) |  |
| CICEP | Categorical Ice Pellets (yes=1; no=0) | non-dim |
| CLGTN | Categorical Lightning | categorical |
| OZCAT | Categorical Ozone Concentration | Non-Dim |
| OZCAT | Categorical Ozone Concentration |  |
| CRAIN | Categorical Rain | Code table 4.222 |
| CRAIN | Categorical Rain |  |
| CRAIN | Categorical Rain | non-dim |
| CRAIN | Categorical rain | (See Code table 4.222) |
| CRAIN | Categorical Rain (yes=1; no=0) |  |
| CRAIN | Categorical Rain (yes=1; no=0) | non-dim |
| SVRTS | Categorical Servre Thunderstorm |  |
| SVRTS | Categorical Severe Thunderstorm |  |
| CSNOW | Categorical Snow | Code table 4.222 |
| CSNOW | Categorical Snow |  |
| CSNOW | Categorical Snow | non-dim |
| CSNOW | Categorical snow | (See Code table 4.222) |
| CSNOW | Categorical Snow (yes=1; no=0) |  |
| CSNOW | Categorical Snow (yes=1; no=0) | non-dim |
| CTSTM | Categorical Thunderstorm (1-yes, 0-no) | categorical |
| TSTMC | Categorical Thunderstorm (1-yes, 0-no) | categorical |
| CCEIL | Ceiling | m |
| LightningDensity15min | CG Lightning Density (15 min.) | Flashes/km^2/min |
| LightningDensity1min | CG Lightning Density (1 min.) | Flashes/km^2/min |
| LightningDensity30min | CG Lightning Density (30 min.) | Flashes/km^2/min |
| LightningDensity5min | CG Lightning Density (5 min.) | Flashes/km^2/min |
| LightningProbabilityNext30min | CG Lightning Probability (0-30 min.) | % |
| CAT | Clear Air Turbulence (CAT) | % |
| CAT | Clear Air Turbulence(CAT) | % |
| CSDLF | Clear Sky Downward Long Wave Flux | W/m^2 |
| CSDSF | Clear sky downward solar flux | W/m^2 |
| CSULF | Clear Sky Upward Long Wave Flux | W/m^2 |
| CSUSF | Clear Sky Upward Solar Flux | W/m^2 |
| CDUVB | Clear sky UV-B downward solar flux | W/m^2 |
| CAMT | Cloud amount | % |
| CBL | Cloud Base Level |  |
| CBASE | Cloud base | m |
| CEIL | Cloud Ceiling |  |
| CLG | Cloud ceiling |  |
| CLG | Cloud Ceiling |  |
| CloudCover | Cloud Cover | K |
| CFNLF | Cloud Forcing Net Long Wave Flux | W/m^2 |
| CFNSF | Cloud Forcing Net Solar Flux | W/m^2 |
| CDCIMR | Cloud Ice Mixing Ratio | kg/kg |
| CICE | Cloud ice | mm |
| CLOUDM | Cloud mask | (Code table 4.217) |
| CLWMR | Cloud Mixing Ratio | kg kg-1 |
| CLWMR | Cloud mixing ratio | kg/kg |
| CTOPHQI | Cloud top height quality indicator | (Code table 4.219) |
| CTOP | Cloud top | m |
| heightCTHGT | Cloud top | m |
| CTYP | Cloud type | (Code table 4.203) |
| CWAT | Cloud water | mm |
| CWORK | Cloud work function | J/kg |
| CWORK | Cloud Work Function | J/kg |
| CDWW | Coefficient of Drag With Waves |  |
| CISOILW | Column-Integrated Soil Water | mm |
| REFC | Composite reflectivity | dB |
| MergedReflectivityQCComposite | Composite Reflectivity | dBZ |
| HeightCompositeReflectivity | Composite Reflectivity Height | m |
| MergedReflectivityQComposite | Composite Reflectivity Mosaic | dBZ |
| EF25M | Cond 25% pcpn smy fractile past 24 hrs | mm |
| EF50M | Cond 50% pcpn smy fractile past 24 hrs | mm |
| TCOND | Condensate | kg kg-1 |
| CONDE | Condensate | kg/kg |
| CONDP | Condensation Pressure of Parcali Lifted From Indicate Surface | Pa |
| CONDP | Condensation Pressure of Parcal Lifted From Indicate Surface | Pa |
| CPPAF | Conditional percent precipitation amount fractile for an overall period (Encoded as an accumulation) | mm |
| CICEL | Confidence - Ceiling |  |
| CIFLT | Confidence - Flight Category |  |
| CIVIS | Confidence - Visibility |  |
| CONTB | Contrail base | m |
| CONTB | Contrail Base | m |
| CONTE | Contrail engine type | (Code table 4.211) |
| CONTET | Contrail Engine Type | See Table 4.211 |
| CONTI | Contrail intensity | (Code table 4.210) |
| CONTI | Contrail Intensity | See Table 4.210 |
| CONTT | Contrail top | m |
| CONTT | Contrail Top | m |
| CONUSMergedReflectivity | CONUS Merged Reflectivity | dBZ |
| CONUSPlusMergedReflectivity | CONUS-Plus Merged Reflectivity | dBZ |
| CONVP | Convection Potential |  |
| CAPE | Convective available potential energy | J/kg |
| CCBL | Convective cloud bottom level |  |
| CCBL | Convective Cloud Bottom Level |  |
| CCLY | Convective Cloud |  |
| CCY | Convective cloud |  |
| CCY | Convective Cloud |  |
| CDCON | Convective cloud cover | % |
| CUEFI | Convective Cloud Efficiency |  |
| CUEFI | Convective Cloud Efficiency | non-dim |
| CUEFI | Convective cloud efficiency | Proportion |
| MFLUX | Convective Cloud Mass Flux | Pa/s |
| CCTL | Convective cloud top level |  |
| CCTL | Convective Cloud Top Level |  |
| CNVDEMF | Convective detrainment mass flux | mm/s |
| CNVDMF | Convective downdraft mass flux | mm/s |
| CNGWDV | Convective Gravity wave drag meridional acceleration | m/s^2 |
| CNGWDU | Convective Gravity wave drag zonal acceleration | m/s^2 |
| CIN | Convective inhibition | J/kg |
| CNVV | Convective meridional momentum mixing acceleration | m/s^2 |
| ACPCP | Convective Precipitation | kg m-2 |
| ACPCP | Convective precipitation | mm |
| ACPCPN | Convective precipitation (nearest grid point) | kg/m2 |
| ACPCPN | Convective precipitation (nearest grid point) | mm |
| CPRAT | Convective Precipitation Rate | kg m-2 s-1 |
| CPRAT | Convective Precipitation Rate | kg\*m^-2\*s^-1 |
| CPRAT | Convective precipitation rate | mm / s |
| CPRAT | Convective Precipitation Rate | mm / s |
| CSRATE | Convective Snowfall Rate | m s-1 |
| CSRATE | Convective Snowfall Rate | m/s |
| CSRWE | Convective Snowfall Rate Water Equivalent | kg m-2s-1 |
| CSRWE | Convective Snowfall Rate Water Equivalent | mm/s |
| SNOC | Convective snow | mm |
| CNVUMF | Convective updraft mass flux | mm/s |
| CWP | Convective Water Precipitation | kg m-2 |
| CWP | Convective Water Precipitation | mm |
| CWDI | Convective Weather Detection Index |  |
| CNVU | Convective zonal momentum mixing acceleration | m/s^2 |
| SNO C | Convect Snow | kg m-2 |
| NTRNFLUX | Cosmic Ray Neutron Flux | h^1 |
| COVTZ | Covariance between izonal component of the wind and temperature. Defined as [uT]-[u][T], where "[]" indicates the mean over the indicated time span. | K\*m/s |
| COVMM | Covariance between meridional and meridional components of the wind. Defined as [vv]-[v][v], where "[]" indicates the mean over the indicated time span. | m^2/s^2 |
| COVMZ | Covariance between Meridional and Zonal Components of the wind. | m^2/s^2 |
| COVTM | Covariance between meridional component of the wind and temperature. Defined as [vT]-[v][T], where "[]" indicates the mean over the indicated time span. | K\*m/s |
| COVQM | Covariance between specific humidity and meridional components of the wind. Defined as [vq]-[v][q], where "[]" indicates the mean over the indicated time span. | kg/kg\*m/s |
| COVQQ | Covariance between specific humidity and specific humidy. Defined as [qq]-[q][q], where "[]" indicates the mean over the indicated time span. | kg/kg\*kg/kg |
| COVQVV | Covariance between specific humidity and vertical components of the wind. Defined as [Ωq]-[Ω][q], where "[]" indicates the mean over the indicated time span. | kg/kg\*Pa/s |
| COVQZ | Covariance between specific humidity and zonal components of the wind. Defined as [uq]-[u][q], where "[]" indicates the mean over the indicated time span. | kg/kg\*m/s |
| COVPSPS | Covariance between surface pressure and surface pressure. Defined as [Psfc]-[Psfc][Psfc], where "[]" indicates the mean over the indicated time span. | Pa\*Pa |
| COVTM | Covariance between Temperature and Meridional Components of the wind. | K\*m/s |
| COVTT | Covariance between temperature and temperature. Defined as [TT]-[T][T], where "[]" indicates the mean over the indicated time span. | K\*K |
| COVTW | Covariance between temperature and vertical component of the wind. Defined as [wT]-[w][T], where "[]" indicates the mean over the indicated time span. | K\*m/s |
| COVTVV | Covariance between temperature and vertical components of the wind. Defined as [ΩT]-[Ω][T], where "[]" indicates the mean over the indicated time span. | K\*Pa/s |
| COVTZ | Covariance between Temperature and Zonal Components of the wind. | K\*m/s |
| COVVVVV | Covariance between vertical and vertical components of the wind. Defined as [ΩΩ]-[Ω][Ω], where "[]" indicates the mean over the indicated time span. | Pa^2/s^2 |
| COVMZ | Covariance between zonal and meridional components of the wind. Defined as [uv]-[u][v], where "[]" indicates the mean over the indicated time span. | m^2/s^2 |
| COVZZ | Covariance between zonal and zonal components of the wind. Defined as [uu]-[u][u], where "[]" indicates the mean over the indicated time span. | m^2/s^2 |
| CrestMaxStreamflow | CREST Maximum Streamflow | (m^3)\*(s^-1) |
| CrestMaxUStreamflow | CREST Maximum Unit Streamflow | (m^3)\*(s^-1)\*(km^-2) |
| CrestSoilMoisture | CREST Soil Moisture | % |
| CRTFRQ | Critical Frequency | Hz |
| CB | Cumulonimbus Base | m |
| CBHE | Cumulonimbus Horizontal Exten | % |
| CT | Cumulonimbus Top | m |
| DIRC | Current direction | Degree true |
| SPC | Current speed | m/s |
| DCBL | Deep convective cloud bottom level |  |
| DCBL | Deep Convective Cloud Bottom Level |  |
| DCCBL | Deep Convective Cloud Bottom Level |  |
| DCCTL | Deep Convective Cloud Top Level |  |
| DCTL | Deep convective cloud top level |  |
| DCTL | Deep Convective Cloud Top Level |  |
| CNVHR | Deep Convective Heating rate | K/s |
| CNVMR | Deep Convective Moistening Rate | kg kg-1 s-1 |
| CNVMR | Deep Convective Moistening Rate | kg/kg\*s |
| DALT | Density altitude | m |
| DEN | Density | kg/m^3 |
| DBLL | Depth Below Land surface | m |
| DPBLW | Depth below land surface | m |
| DBSL | Depth Below Sea Level | m |
| DPMSL | Depth below sea level | m |
| REFZI | Derived radar reflectivity backscatter from ice | mm^6/m^3 |
| REFZI | Derived radar reflectivity backscatter from ice | mm^6\*m^-3 |
| REFZC | Derived radar reflectivity backscatter from parameterized convection | mm^6/m^3 |
| REFZC | Derived radar reflectivity backscatter from parameterized convection | mm^6\*m^-3 |
| REFZR | Derived radar reflectivity backscatter from rain | mm^6/m^3 |
| REFZR | Derived radar reflectivity backscatter from rain | mm^6\*m^-3 |
| REFD | Derived radar reflectivity | dB |
| DEVMSL | Deviation of sea level from mean | m |
| DEPR | Dew point depression or deficit | K |
| DPT | Dew point temperature | K |
| DIREC | Direct Evaporation Cease(Soil Moisture) | kg/m^3 |
| SMDRY | Direct evaporation cease (soil moisture) | Proportion |
| EVBS | Direct evaporation from bare soil | W/m^2 |
| DIRWWW | Directional Width of The Wind Waves |  |
| Degree true | Direction Degrees true | DIRDEGTRU |
| WWSDIR | Direction of combined wind waves and swell | Degree |
| DICED | Direction of ice drift | Degree true |
| SWDIR | Direction of swell waves | Degree |
| WVDIR | Direction of wind waves | Degree |
| DSKDAY | Disk Intensity Day | J\*m^2\*s^1 |
| DSKINT | Disk Intensity | j\*m^2\*s^1 |
| DSKNGT | Disk Intensity Night | J\*m^2\*s^1 |
| DLWRF | Downward Long-Wave Rad. Flux | W/m^2 |
| DLWRF | Downward long-wave radiation flux | W/m^2 |
|  | Downward Long-W/m^2 | DLWRF |
| DSWRF | Downward Short-Wave Rad. Flux | W/m^2 |
| DSWRF | Downward short-wave radiation flux | W/m^2 |
|  | Downward Short-W/m^2 | DSWRF |
| DTRF | Downward Total radiation Flux | W/m^2 |
| DWUVR | Downward UV Radiation | W/m^2 |
| CD | Drag Coefficient |  |
| CD | Drag coefficient | Numeric |
| ELON | East Longitude (0 - 360) | deg |
| ELON | East Longitude (0 - 360) | degrees |
| ELONN | East Longitude (nearest neighbor) (0 - 360) | degrees |
| RETOP | Echo Top | m |
| RADT | Effective radiative skin temperature | K |
| ETOT | Electric Field Magnitude | V\*m^1 |
| ELCDEN | Electron Density | m^3 |
| DIFEFLUX | Electron Flux (Differential) | (m^2\*s\*sr\*eV)^1 |
| INTEFLUX | Electron Flux (Integral) | (m^2\*s\*sr)^1 |
| ELECTMP | Electron Temperature | K |
| ELSCT | Elevation of snow covered terrain | (Code table 4.216) |
| EHELX | Energy helicity index | Numeric |
| EATM | Entire atmosphere (considered as a single layer) |  |
| EA | Entire Atmosphere |  |
| EATM | Entire Atmosphere |  |
| NONE | Entire Atmosphere |  |
| EOCN | Entire ocean (considered as a single layer) |  |
| EOCN | Entire Ocean |  |
| NONE | Entire Ocean |  |
| EHLT | Equilibrium level |  |
| EHLT | Equilibrium Level |  |
| REFZC | Equivalent radar reflectivity factor for parameterized convection | m m6 m-3 |
| REFZR | Equivalent radar reflectivity factor for rain | m m6 m-3 |
| REFZI | Equivalent radar reflectivity factor for snow | m m6 m-3 |
| ESTPC | Estimated precipitation | mm |
| ESTUWIND | Estimated u component of wind | m/s |
| ESTVWIND | Estimated v component of wind | m/s |
| ELYR | Eta Level | Eta value |
| ETAL | Eta Level | Eta value |
| EUVRAD | EUV Radiance | W\*s\*r^1\*m^2 |
| EVP | Evaporation | kg m-2 |
| EVP | Evaporation | mm |
|  | Evaporation - Precipitation | cm/day  EMNP |
| EMNP | Evaporation - Precipitation | cm/day |
| EMNP | Evaporation - Precipitation | cm per day |
| EVAPT | Evapotranspiration | kg^-2\*s^-1 |
| SFEXC | Exchange coefficient | kg\*m^-2\*s^-1 |
| SFEXC | Exchange coefficient | mm \* s |
| ETCWL | Extra Tropical Storm Surge Combined Surge and Tide | m |
| ETSRG | Extra Tropical Storm Surge | m |
| F107 | F10.7 | W\*m^2\*H\*z^1 |
| FLDCP | Field Capacity | fraction |
| FIREDI | Fire Detection Indicator | (Code Table 4.223) |
| FIREODT | Fire Outlook Due to Dry Thunderstorm | index(see GRIB 2 code table 4.224) |
| FIREOLK | Fire Outlook | index (see GRIB 2 code table 4.224) |
| FFG | Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time) | mm |
| FFRUN | Flash flood runoff (Encoded as an accumulation over a floating subinterval of time) | mm |
| FLGHT | Flight Category |  |
| QREC | Flood plain recharge | mm |
| ModelHeight0C | Freezing Level Height | m |
| FRZR | Freezing Rain | kg/m2 |
| FRZR | Freezing Rain | mm |
| FPRATE | Freezing Rain Precipitation Rate | kg m-2s-1 |
| FPRATE | Freezing Rain Precipitation Rate | mm/s |
| FREQ | Frequency | s^-1 |
| FRICV | Frictional velocity | m/s |
| FRICV | Frictional Velocity | m/s |
| FRICV | Friction Velocity | m/s |
| FROZR | Frozen Rain | kg/m2 |
| FROZR | Frozen Rain | mm |
| GHT | Geometrical height | m |
| DBSS | Geometric Depth Below Sea Surface | m |
| DIST | Geometric height | m |
| GPA | Geopotential height anomaly | gpm |
| GH | Geopotential height | gpm |
| HGT | Geopotential height | gpm |
| HGTN | Geopotential Height (nearest grid point) | gpm |
| GP | Geopotential | m^2/s^2 |
| GRAD | Global radiation flux | W/m^2 |
| GRAUP | Graupel (snow pellets) | kg/kg |
| GRLE | Grauple | kg kg-1 |
| GSGSO | Gravity Of Sub-Grid Scale Orography | W/m^2 |
| GWDV | Gravity wave drag meridional acceleration | m/s^2 |
| GWDU | Gravity wave drag zonal acceleration | m/s^2 |
| GCBL | Grid scale cloud bottom level |  |
| GCBL | Grid Scale Cloud Bottom Level |  |
| GSCBL | Grid Scale Cloud Bottom Level |  |
| GCTL | Grid scale cloud top level |  |
| GCTL | Grid Scale Cloud Top Level |  |
| GSCTL | Grid Scale Cloud Top Level |  |
| GC137 | Ground deposition of Caesium 137 | Bq/m^2 |
| GI131 | Ground deposition of Iodine 131 | Bq/m^2 |
| GRADP | Ground deposition of radioactive | Bq/m^2 |
| GFLUX | Ground heat flux | W/m^2 |
| SFC | Ground or Water Surface |  |
| GWREC | Groundwater recharge | mm |
| HAIL | Hail | m |
| HAILPROB | Hail probability | % |
| HINDEX | Haines Index | Numeric |
| SIGHAL | Hall Conductivity | S\*m^1 |
| HARAD | H-Alpha Radiance | W\*s\*r^1\*m^2 |
| HFLUX | Heat Flux | W/m^2 |
| HTX | Heat index | K |
| DIFIFLUX | Heavy Ion Flux (Differential) | ((m^2\*s\*sr\*eV)/nuc)^1 |
| INTIFLUX | Heavy Ion Flux (iIntegral) | (m^2\*s\*sr)^1 |
| HGTAG | Height above ground (see Note 1) | m |
| H50Above0C | Height of 50 dBZ Echo Above 0C | km |
| H50AboveM20C | Height of 50 dBZ Echo Above -20C | km |
| H60Above0C | Height of 60 dBZ Echo Above 0C | km |
| H60AboveM20C | Height of 60 dBZ Echo Above -20C | km |
| HELCOR | Heliospheric Radiance | W\*s\*r^1\*m^2 |
| ABSRB | HF Absorption | dB |
| ABSFRQ | HF Absorption Frequency | Hz |
| HPRIMF | h'F | m |
| HCBL | High cloud bottom level |  |
| HCBL | High Cloud Bottom Level |  |
| HCDC | High cloud cover | % |
| HCL | High cloud layer |  |
| HCL | High Cloud Layer |  |
| HCLY | High Cloud Layer |  |
| HCTL | High cloud top level |  |
| HCTL | High Cloud Top Level |  |
| HSCLW | Highest top level of supercooled liquid water layer |  |
| HSCLW | Highest Top Level of Supercooled Liquid Water Layer |  |
| HTSLW | Highest Top Level of Supercooled Liquid Water Layer |  |
| HTFL | Highest tropospheric freezing level |  |
| HTFL | Highest Tropospheric Freezing Level |  |
| HighLayerCompositeReflectivity | High Layer Composite Reflectivity (24-60 kft) | dBZ |
| HAVNI | High-Level aviation interest |  |
| HRCONO | High risk convective outlook | categorical |
| MCONV | Horizontal Moisture Convergence | kg kg-1 s-1 |
| HMC | Horizontal moisture convergence | kg/kg\*s |
| MCONV | Horizontal Moisture Divergence | kg kg-1 s-1 |
| MCONV | Horizontal Moisture Divergence | kg\*kg^-1\*s^-1 |
| MCONV | Horizontal moisture divergence | kg/kg\*s |
| MCONV | Horizontal Moisture Divergence | kg/kg\*s |
| MFLX | Horizontal momentum flux | N/m^2 |
| MFLX | Horizontal Momentum Flux | N \* m-2 |
| MFLX | Horizontal Momentum Flux | N/m^2 |
| CompositeReflectivityMaxHourly | Hourly Composite Reflectivity Maximum | dBZ |
| MAXDVV | Hourly Maximum of Downward Vertical Vorticity in the lowest 400hPa | m/s |
| MAXREF | Hourly Maximum of Simulated Reflectivity at 1 km AGL | dB |
| MXUPHL | Hourly Maximum of Updraft Helicity over Layer 2-5 km AGL | m^2/s^2 |
| MXUPHL | Hourly Maximum of Updraft Helicity over Layer 2km to 5 km AGL | m^2/s^2 |
| MAXUVV | Hourly Maximum of Upward Vertical Vorticity in the lowest 400hPa | m/s |
| MIXR | Humidity Mixing Ratio | kg kg-1 |
| MIXR | Humidity mixing ratio | kg/kg |
| RCQ | Humidity parameterin canopy conductance | Fraction |
| RCQ | Humidity parameter in canopy conductance | Proportion |
| HYBL | Hybrid Level |  |
| HCBB | ICAO Height at Cumulonimbus Bas | m |
| HCBT | ICAO Height at Cumulonimbus To | m |
| HECBB | ICAO Height at Embedded Cumulonimbus Bas | m |
| HECBT | ICAO Height at Embedded Cumulonimbus To | m |
| ICAHT | ICAO Standard Atmosphere Reference Height | m |
| ICEC | Ice cover | Proportion |
| ICED | Ice divergence | s^-1 |
| FICE | Ice fraction of total condensate |  |
| FICE | Ice fraction of total condensate | non-dim |
| FICE | Ice fraction of total condensate | Proportion |
| surface | Ice-free water | ICWAT |
| ICWAT | Ice-free water surface | % |
| ICEG | Ice growth rate | m/s |
| IPRATE | Ice Pellets Precipitation Rate | kg m-2s-1 |
| IPRATE | Ice Pellets Precipitation Rate | mm/s |
| ICE T | Ice Temperature | K |
| ICETK | Ice thickness | m |
| ICMR | Ice Water Mixing Ratio | kg kg-1 |
| ICMR | Ice water mixing ratio | kg/kg |
| ICIB | Icing base | m |
| ICIB | Icing Base | m |
| ICIP | Icing | % |
| ICIP | Icing Potential | % |
| TIPD | Icing Potential | non-dim |
| ICPRB | Icing probability | non-dim |
| ICI | Icing | See Table 4.207 |
|  | Icing Severity | ICI |
| ICSEV | Icing severity | non-dim |
| ICIT | Icing top | m |
| ICIT | Icing Top | m |
| CTP | In-Cloud Turbulence | % |
| IRBand4 | Infrared Imagery | K |
| INSTRR | Instantaneous rain rate | mm / s |
| LIPMF | Integrated column particulate matter (fine) | log10(mg \* m^-3) |
| LIPMF | Integrated column particulate matter (fine) | log10(mm\*g/m^3) |
| ILIQW | Integrated Liquid Water | kg m-2 |
| ILW | Integrated liquid water | mm |
| TSI | Integrated Solar Irradiance | W\*m^2 |
| INTFD | Interface Depths | m |
| IMFTSW | Inverse Mean Frequency of The Total Swell | s |
| IMFWW | Inverse Mean Frequency of The Wind Waves | s |
| IMWF | Inverse Mean Wave Frequency | s |
| IONDEN | Ion Density | m^3 |
| IDRL | Ionospheric D-region level |  |
| IERL | Ionospheric E-region level |  |
| IF1RL | Ionospheric F1-region level |  |
| IF2RL | Ionospheric F2-region level |  |
| IONTMP | Ion Temperature | K |
| THEL | Isentropic (theta) level | K |
| ISBL | Isobaric Surface | Pa |
| TMPL | Isothermal Level | K |
| KX | K index | K |
| KENG | Kinetic Energy | J/kg |
| MELBRNE | KNES1 | 1 |
| KOX | KO index | K |
| BENINX | Kurtosis of The Sea Surface Elevation Due to Waves |  |
| LAND | Land cover (0=sea, 1=land) | Proportion |
| LANDN | Land-sea coverage (nearest neighbor) | [land=1,sea=0] |
| LSPA | Land Surface Precipitation Accumulation | mm |
| LANDU | Land use | (Code table 4.212) |
| LAPR | Lapse rate | K/m |
| LRGHR | Large Scale Condensate Heating rate | K/s |
| LRGMR | Large scale moistening rate | kg/kg/s |
| NCPCP | Large-Scale Precipitation (non-convective) | kg m-2 |
| NCPCP | Large scale precipitation (non-convective) | mm |
| LSPRATE | Large Scale Precipitation Rate | kg m-2s-1 |
| LSPRATE | Large Scale Precipitation Rate | mm/s |
| LSSRATE | Large Scale Snowfall Rate | m s-1 |
| LSSRATE | Large Scale Snowfall Rate | m/s |
| LSSRWE | Large Scale Snowfall Rate Water Equivalent | kg m-2s-1 |
| LSSRWE | Large Scale Snowfall Rate Water Equivalent | mm/s |
| SNO L | Large-Scale Snow | kg m-2 |
| SNOL | Large scale snow | mm |
| LSWP | Large Scale Water Precipitation (Non-Convective) | kg m-2 |
| LSWP | Large Scale Water Precipitation (Non-Convective) | mm |
| LHTFL | Latent heat net flux | W/m^2 |
| NLAT | Latitude (-90 to +90) | deg |
| NLAT | Latitude (-90 to +90) | degrees |
| NLATN | Latitude (nearest neighbor) (-90 to +90) | degrees |
| LAPP | Latitude of Presure Point | degrees |
| LAUV | Latitude of U Wind Component of Velocity | degrees |
| LAVV | Latitude of V Wind Component of Velocity | degrees |
| NONE | Layer Between Two Depths Below Ocean Surface |  |
| OLYR | Layer between two depths below ocean surface |  |
| OLYR | Layer Between Two Depths Below Ocean Surface |  |
| LBTHL | Layer Between Two Hybrid Levels |  |
| NONE | Layer Between Two Hybrid Levels |  |
| LMBSR | Layer-maximum base reflectivity | dB |
| LOS | Layer Ocean Surface and 26C Ocean Isothermal Level |  |
| NONE | Layer Ocean Surface and 26C Ocean Isothermal Level |  |
| LAYTH | Layer Thickness | m |
| LAI | Leaf Area Index |  |
| PDLY | Level at Specified Pressure Difference from Ground to Level | Pa |
| SPDL | Level at Specified Pressure Difference from Ground to Level | Pa |
| 0DEG | level of 0C Isotherm |  |
| ADCL | Level of Adiabatic Condensation Lifted from the Surface |  |
| CTL | Level of Cloud Tops |  |
| LTNG | Lightning |  |
| LTNG | Lightning | non-dim |
| LMBINT | Limb Intensity | J\*m^2\*s^1 |
| ARAIN | Liquid precipitation (rainfall) | kg/m2 |
| ARAIN | Liquid precipitation (rainfall) | mm |
| LSOIL | Liquid soil moisture content (non-frozen) | mm |
| LIQVSM | Liquid Volumetric Soil Moisture (Non-Frozen) | m^3/m^3 |
| SOILL | Liquid volumetric soil moisture (non-frozen) | Proportion |
| LOPP | Longitude of Presure Point | degrees |
| LOUV | Longitude of U Wind Component of Velocity | degrees |
| LOVV | Longitude of V Wind Component of Velocity | degrees |
| LWAVR | Long wave radiation flux | W/m^2 |
| LWHR | Long-Wave Radiative Heating Rate | K/s |
| LCBL | Low cloud bottom level |  |
| LCBL | Low Cloud Bottom Level |  |
| LCDC | Low cloud cover | % |
| LCLY | Low Cloud Layer |  |
| LCY | Low cloud layer |  |
| LCY | Low Cloud Layer |  |
| LCTL | Low cloud top level |  |
| LCTL | Low Cloud Top Level |  |
| LLSM | Lower layer soil moisture | kg/m^3 |
| LBSLW | Lowest Bottom Level of Supercooled Liquid Water Layer |  |
| LSCLW | Lowest bottom level of supercooled liquid water layer |  |
| LSCLW | Lowest Bottom Level of Supercooled Liquid Water Layer |  |
| LLTW | Lowest level of the wet bulb zero |  |
| LLTW | Lowest Level of the Wet Bulb Zero |  |
| LWBZ | Lowest Level of the Wet Bulb Zero |  |
| WBZ | Lowest Level of the Wet Bulb Zero |  |
| LowLayerCompositeReflectivity | Low Layer Composite Reflectivity (0-24 kft) | dBZ |
| LAVNI | Low-Level aviation interest |  |
| MergedAzShear02kmAGL | Low-Level Azimuthal Shear (0-2km AGL) | 1/s |
| LLCompositeReflectivity | Low-Level Composite Reflectivity | dBZ |
| HeightLLCompositeReflectivity | Low-Level Composite Reflectivity Height | m |
| RotationTrackLL120min | Low-Level Rotation Tracks 0-2km AGL (120 min. accum.) | 1/s |
| RotationTrackLL1440min | Low-Level Rotation Tracks 0-2km AGL (1440 min. accum.) | 1/s |
| RotationTrackLL240min | Low-Level Rotation Tracks 0-2km AGL (240 min. accum.) | 1/s |
| RotationTrackLL30min | Low-Level Rotation Tracks 0-2km AGL (30 min. accum.) | 1/s |
| RotationTrackLL360min | Low-Level Rotation Tracks 0-2km AGL (360 min. accum.) | 1/s |
| RotationTrackLL60min | Low-Level Rotation Tracks 0-2km AGL (60 min. accum.) | 1/s |
| BTOT | Magnetic Field Magnitude | T |
| MTHA | Main thermocline anomaly | m |
| MTHD | Main thermocline depth | m |
| LMH | Mass Point Model Surface |  |
| MAXAH | Maximum absolute humidity | kg/m^3 |
| MAXAH | Maximum Absolute Humidity | kg m-3 |
| MACAT | Maximum Cloud Air Turbulence Potential | mm |
| REFC | Maximum/Composite radar reflectivity | dB |
| MTHE | Maximum equivalent potential temperature level |  |
| MTHE | Maximum Equivalent Potential Temperature level |  |
| MESH | Maximum Estimated Size of Hail (MESH) | mm |
| MAIP | Maximum Icing Potential | mm |
| MAXWH | Maximum Individual Wave Height | m |
| PRPMax | Maximum Precipitation Return Period | year |
| QPEFFGMax | Maximum QPE-to-FFG Ratio | % |
| MAXRH | Maximum relative humidity | % |
| MAXRH | Maximum Relative Humidity | % |
| MXSALB | Maximum snow albedo | % |
| MXSALB | Maximum Snow Albedo | % |
| MXSALB | Maximum Snow Albedo\* | % |
| QMAX | Maximum specific humidity at 2m | kg/kg |
| TMAX | Maximum temperature | K |
| MWSL | Maximum Wind Level |  |
| MAXWS | Maximum wind speed | m/s |
| MACTP | Max in-Cloud Turbulence Potential | mm |
| MECAT | Mean Cloud Air Turbulence Potential | mm |
| MEI | Mean Icing Potential | mm |
| MECTP | Mean in-Cloud Turbulence Potential | mm |
| MWSPER | Mean period of combined wind waves and swell | s |
| SWPER | Mean period of swell waves | s |
| WVPER | Mean period of wind waves | s |
| MSL | Mean Sea Level | Pa |
| M2SPW | Mean square slope of waves |  |
| MZPTSW | Mean Zero-Crossing Period of The Total Swell | s |
| MZPWW | Mean Zero-Crossing Period of The Wind Waves | s |
| MZWPER | Mean Zero-Crossing Wave Period | s |
| MCDC | Medium cloud cover | % |
| MergedBaseReflectivityQC | Merged Base Reflectivity | dBZ |
| MergedReflectivityAtLowestAltitude | Merged Reflectivity At Lowest Altitude (RALA) | dBZ |
| VGWD | Meridional flux of gravity wave stress | N/m^2 |
| V-GWD | Meridional Flux of Gravity Wave Stress | N/m^2 |
| MESHTrack120min | MESH Tracks (120 min. accum.) | mm |
| MESHTrack1440min | MESH Tracks (1440 min. accum.) | mm |
| MESHTrack240min | MESH Tracks (240 min. accum.) | mm |
| MESHTrack30min | MESH Tracks (30 min. accum.) | mm |
| MESHTrack360min | MESH Tracks (360 min. accum.) | mm |
| MESHTrack60min | MESH Tracks (60 min. accum.) | mm |
| MCBL | Middle cloud bottom level |  |
| MCBL | Middle Cloud Bottom Level |  |
| MCLY | Middle Cloud Layer |  |
| MCY | Middle cloud layer |  |
| MCY | Middle Cloud Layer |  |
| MCTL | Middle cloud top level |  |
| MCTL | Middle Cloud Top Level |  |
| MergedAzShear36kmAGL | Mid-Level Azimuthal Shear (3-6km AGL) | 1/s |
| RotationTrackML120min | Mid-Level Rotation Tracks 3-6km AGL (120 min. accum.) | 1/s |
| RotationTrackML1440min | Mid-Level Rotation Tracks 3-6km AGL (1440 min. accum.) | 1/s |
| RotationTrackML240min | Mid-Level Rotation Tracks 3-6km AGL (240 min. accum.) | 1/s |
| RotationTrackML30min | Mid-Level Rotation Tracks 3-6km AGL (30 min. accum.) | 1/s |
| RotationTrackML360min | Mid-Level Rotation Tracks 3-6km AGL (360 min. accum.) | 1/s |
| RotationTrackML60min | Mid-Level Rotation Tracks 3-6km AGL (60 min. accum.) | 1/s |
| RSMIN | Minimal stomatal resistance | s/m |
| DEPMN | Minimum dew point depression | K |
| MINRH | Minimum Relative Humidity | % |
| QMIN | Minimum specific humidity at 2m | kg/kg |
| TMIN | Minimum temperature | K |
| Entire Atmosphere | Missing200 | 200 |
| MIXHT | mixed layer depth | m |
| MIXHT | Mixed Layer Depth | m |
| MIXL | Mixed Layer Depth | m |
| MLYNO | Model Layer number (From bottom up) |  |
| MTHT | Model terrain height | m |
| MRCONO | Moderate risk convective outlook | categorical |
| MSTAV | Moisture availability | % |
| UFLX | Momentum flux, u component | N/m^2 |
| VFLX | Momentum flux, v component | N/m^2 |
| MNTSF | Montgomery stream function | m^2/s^2 |
| MSLET | MSLP (Eta model reduction) | Pa |
| MSLPM | MSLP (MAPS System Reduction) | Pa |
| NLGSP | Natural Log of Surface Pressure | ln(kPa) |
| NBDSF | Near IR Beam Downward Solar Flux | W/m^2 |
| NBSALB | Near IR, Black Sky Albedo | % |
| NDDSF | Near IR Diffuse Downward Solar Flux | W/m^2 |
| NWSALB | Near IR, White Sky Albedo | % |
| AOHFLX | Net Air-Ocean Heat Flux | W/m^2 |
| NLWRCS | Net Long-Wave Radiation Flux, Clear Sky | W/m^2 |
| NLWRS | Net long wave radiation flux (surface) | W/m^2 |
| NLWRT | Net long wave radiation flux (top of atmosphere) | W/m^2 |
| NLWRF | Net Long-Wave Radiation Flux | W/m^2 |
| NSWRFCS | Net Short-Wave Radiation Flux, Clear Sky | W/m^2 |
| NSWRS | Net short-wave radiation flux (surface) | W/m^2 |
| NSWRT | Net short-wave radiation flux (top of atmosphere) | W/m^2 |
| NSWRF | Net Short Wave Radiation Flux | W/m^2 |
| NTAT | Nominal Top of the Atmosphere |  |
| CDLYR | Non-convective cloud cover | % |
| CDLYR | Non-Convective Cloud Cover | % |
|  | non-dim | CD |
| NWSTR | Normalised Waves Stress |  |
| NDVI | Normalized Difference Vegetation Index |  |
| NCIP | Number concentration for ice particles |  |
| NCIP | Number concentration for ice particles | non-dim |
| MIXLY | Number of mixed layers next to surface | integer |
| NPIXU | Number Of Pixels Used | Numeric |
| RLYRS | Number of soil layers in root zone | non-dim |
| RLYRS | Number of soil layers in root zone | Numeric |
| RLYRS | Number of soil layers in root zone |  |
| OHC | Ocean Heat Content | J/m^2 |
| OITL | Ocean Isotherm Level (1/10 deg C) | C |
| NONE | Ocean Isotherm Level | 1/10 ℃ |
| OITL | Ocean Isotherm Level | 1/10 ℃ |
| NONE | Ocean Mixed Layer |  |
| OML | Ocean Mixed Layer |  |
| P2OMLT | Ocean Mixed Layer Potential Density (Reference 2000m) | kg/m^3 |
| OMLU | Ocean Mixed Layer U Velocity | m/s |
| OMLV | Ocean Mixed Layer V Velocity | m/s |
| ELEV | Ocean Surface Elevation Relative to Geoid | m |
| OMGALF | Omega (Dp/Dt) divide by density | K |
| EWATR | Open water evaporation (standing water) | W/m^2 |
| OSD | Ordered Sequence of Data |  |
| OSEQ | Ordered Sequence of Data |  |
| OZCON | Ozone Concentration (PPB) | PPB |
| OZMAX1 | Ozone Daily Max from 1-hour Average | ppbV |
| OZMAX8 | Ozone Daily Max from 8-hour Average | ppbV |
| O3MR | Ozone Mixing Ratio | kg \* kg^-1 |
| O3MR | Ozone mixing ratio | kg/kg |
| O3MR | Ozone Mixing Ratio | kg/kg |
| POZO | Ozone production from col ozone term | kg/kg/s |
| POZT | Ozone production from temperature term | kg/kg/s |
| POZ | Ozone production | kg/kg/s |
| TOZ | Ozone tendency | kg/kg/s |
| VDFOZ | Ozone vertical diffusion | kg/kg/s |
| SIGPAR | Parallel Conductivity | S\*m^1 |
| PRATMP | Parallel Temperature | K |
| PLI | Parcel lifted index (to 500 mb) | K |
| PLSMDEN | Particle Number Density | m^3 |
| PMTC | Particulate matter (coarse) | mg \* m^-3 |
| PMTC | Particulate matter (coarse) | mm\*g/m^3 |
| LPMTF | Particulate matter (fine) | log10(mg \* m^-3) |
| LPMTF | Particulate matter (fine) | log10(mm\*g/m^3) |
| PMTF | Particulate matter (fine) | mg \* m^-3 |
| PMTF | Particulate matter (fine) | mm\*g/m^3 |
| PPERTS | Peak Period of The Total Swell | s |
| PPERWW | Peak Period of The Wind Waves | s |
| PWPER | Peak Wave Period | s |
| SIGPED | Pedersen Conductivity | S\*m^1 |
| CPOFP | Percent frozen precipitation | % |
| PCTP1 | Percent pcpn in 1st 6-h sub-period of 24 hr period | % |
| PCTP2 | Percent pcpn in 2nd 6-h sub-period of 24 hr period | % |
| PCTP3 | Percent pcpn in 3rd 6-h sub-period of 24 hr period | % |
| PCTP4 | Percent pcpn in 4th 6-h sub-period of 24 hr period | % |
| PPSUB | Percent precipitation in a sub-period of an overall period (Encoded as per cent accumulation over the sub-period) | % |
| PMAXWH | Period of Maximum Individual Wave Height | s |
| PRPTMP | Perpendicular Temperature | K |
| PHOTAR | Photosynthetically Active Radiation | W/m^2 |
| PIXST | Pixel scene type | (Code table 4.218) |
| BLD | Planetary Boundary Layer |  |
| HPBL | Planetary boundary layer height | m |
| HPBL | Planetary Boundary Layer Height | m |
| PLBL | Planetary Boundary Layer |  |
| PBLR | Planetary boundary layer regime | (Code table 4.209) |
| PBLREG | Planetary Boundary Layer Regime | See Table 4.209 |
| CNWAT | Plant canopy surface water | mm |
| PDMAX1 | PM 2.5 Daily Max from 1-hour Average | ug/m^3 |
| PDMAX24 | PM 2.5 Daily Max from 24-hour Average | ug/m^3 |
| PEVAP | Potential Evaporation | kg m-2 |
| PEVAP | Potential evaporation | mm |
| PEVAP | Potential Evaporation | mm |
| PEVPR | Potential Evaporation Rage | W/m^2 |
| PEVPR | Potential evaporation rate | W/m^2 |
| PEVPR | Potential Evaporation Rate | W m-2 |
| THZ0 | Potential temperature at top of viscous sublayer | K |
| POT | Potential temperature | K |
| POT | Potential temperature (theta) | K |
| PV | Potential vorticity | K \*m^-2 \*kg^-1 \*s^-1 |
| PV | Potential vorticity | K \*m^-2\* kg^-1 \*s^-1 |
| PVL | Potential Vorticity | K \* m^2/kg^1\*s^1 |
| PVORT | Potential vorticity | K \* m^2 \* kg^-1\* s^-1 |
| PVMWW | Potential Vorticity (Mass-Weighted) | m/s |
| PWC | Precipitable water category | (Code table 4.202) |
| PWCAT | Precipitable Water Category | See Table 4.202 |
| P WAT | Precipitable Water | kg m-2 |
| PWAT | Precipitable water | mm |
| PRCP | Precipitation | mm |
| PRATE | Precipitation Rate | kg m-2 s-1 |
| PRATE | Precipitation rate | mm / s |
| PTYPE | Precipitation type | (Code table 4.201) |
| PTYPE | Precipitation Type | See Table 4.201 |
| PR | Precip rate | mm/hr |
| (See note 3) | Predominant Weather | Numeric |
| PWTHER | Predominant Weather | Numeric (See note 3) |
| PALT | Pressure altitude | m |
| PRESA | Pressure anomaly | Pa |
| PCBB | Pressure at Cumulonimbus Bas | Pa |
| PCBT | Pressure at Cumulonimbus To | Pa |
| PECBB | Pressure at Embedded Cumulonimbus Bas | Pa |
| PECBT | Pressure at Embedded Cumulonimbus To | Pa |
| PRESDEV | Pressure deviation from ground to level | Pa |
| PRESD | Pressure deviation from mean sea level | Pa |
| PRESN | Pressure (nearest grid point) | Pa |
| PLPL | Pressure of level from which parcel was lifted | Pa |
| PLPL | Pressure of most parcel with highest theta-e in lowest 300 mb | Pa |
| P | Pressure | Pa |
| PRES | Pressure | Pa |
| PRES | Pressure | Pa |
| PRMSL | Pressure reduced to MSL | Pa |
| PTEND | Pressure tendency | Pa/s |
| DIRPW | Primary wave direction | Degree |
| PERPW | Primary wave mean period | s |
| POP | Probability of 0.01 inches of precipitation | % |
| POP | Probability of 0.01 inch of precipitation (POP) | % |
| PROCON | Probability of Convection | % |
| PPFFG | Probability of Excessive Rain | % |
| CPOZP | Probability of Freezing Precipitation | % |
| PFREZPREC | Probability of Freezing Precipitation | % |
| CPOFP | Probability of Frozen Precipitation | % |
| PFROZPREC | Probability of Frozen Precipitation | % |
| PPFFG | Probability of precipitation exceeding flash flood guidance values | % |
| POSH | Probability of Severe Hail (POSH) | % |
| WarmRainProbability | Probability of Warm Rain | % |
| CWR | Probability of Wetting Rain, exceeding in 0.10" in a given time period | % |
| PTAN | Prob of Temperature above normal | % |
| PTBN | Prob of Temperature below normal | % |
| PTNN | Prob of Temperature near normal | % |
| PPAN | Prob of Total Precipitation above normal | % |
| PPBN | Prob of Total Precipitation below normal | % |
| PPNN | Prob of Total Precipitation near normal | % |
| PROTDEN | Proton Density | m^3 |
| DIFPFLUX | Proton Flux (Differential) | (m^2\*s\*sr\*eV)^1 |
| INTPFLUX | Proton Flux (Integral) | (m^2\*s\*sr)^1 |
| PROTTMP | Proton Temperature | K |
| EPOT | Pseudo-adiabatic potential temperature or equivalent potential temperature | K |
| MountainMapperQPE12H | QPE - Mountain Mapper (12 hr. accum.) | mm |
| MountainMapperQPE01H | QPE - Mountain Mapper (1 hr. accum.) | mm |
| MountainMapperQPE24H | QPE - Mountain Mapper (24 hr. accum.) | mm |
| MountainMapperQPE03H | QPE - Mountain Mapper (3 hr. accum.) | mm |
| MountainMapperQPE48H | QPE - Mountain Mapper (48 hr. accum.) | mm |
| MountainMapperQPE06H | QPE - Mountain Mapper (6 hr. accum.) | mm |
| MountainMapperQPE72H | QPE - Mountain Mapper (72 hr. accum.) | mm |
| GaugeOnlyQPE12H | QPE - Radar Gauge Only (12 hr. accum.) | mm |
| GaugeOnlyQPE01H | QPE - Radar Gauge Only (1 hr. accum.) | mm |
| GaugeOnlyQPE24H | QPE - Radar Gauge Only (24 hr. accum.) | mm |
| GaugeOnlyQPE03H | QPE - Radar Gauge Only (3 hr. accum.) | mm |
| GaugeOnlyQPE48H | QPE - Radar Gauge Only (48 hr. accum.) | mm |
| GaugeOnlyQPE06H | QPE - Radar Gauge Only (6 hr. accum.) | mm |
| GaugeOnlyQPE72H | QPE - Radar Gauge Only (72 hr. accum.) | mm |
| RadarOnlyQPE12H | QPE - Radar Only (12 hr. accum.) | mm |
| RadarOnlyQPE01H | QPE - Radar Only (1 hr. accum.) | mm |
| RadarOnlyQPE24H | QPE - Radar Only (24 hr. accum.) | mm |
| RadarOnlyQPE03H | QPE - Radar Only (3 hr. accum.) | mm |
| RadarOnlyQPE48H | QPE - Radar Only (48 hr. accum.) | mm |
| RadarOnlyQPE06H | QPE - Radar Only (6 hr. accum.) | mm |
| RadarOnlyQPE72H | QPE - Radar Only (72 hr. accum.) | mm |
| GaugeCorrQPE12H | QPE - Radar with Gauge Bias Correction (12 hr. accum.) | mm |
| GaugeCorrQPE01H | QPE - Radar with Gauge Bias Correction (1 hr. accum.) | mm |
| GaugeCorrQPE24H | QPE - Radar with Gauge Bias Correction (24 hr. accum.) | mm |
| GaugeCorrQPE03H | QPE - Radar with Gauge Bias Correction (3 hr. accum.) | mm |
| GaugeCorrQPE48H | QPE - Radar with Gauge Bias Correction (48 hr. accum.) | mm |
| GaugeCorrQPE06H | QPE - Radar with Gauge Bias Correction (6 hr. accum.) | mm |
| GaugeCorrQPE72H | QPE - Radar with Gauge Bias Correction (72 hr. accum.) | mm |
| PrecipRate | Radar Precipitation Rate (SPR) | mm/hr |
| RadarQualityIndex | Radar Quality Index (RQI) |  |
| RDSP1 | Radar spectra (1) |  |
| RDSP2 | Radar spectra (2) |  |
| RDSP3 | Radar spectra (3) |  |
| RDLNUM | Radial number (2pi/lambda) | m-1 |
| SWRAD | Radiance (with respect to wave length) | W \* m^-3 \*sr^-1 |
| LWRAD | Radiance (with respect to wave number) | W \* m^-1 \*sr^-1 |
| EPSR | Radiative emissivity |  |
| EPSR | Radiative emissivity | mm |
| FRAIN | Rain fraction of total cloud water | Proportion |
| FRAIN | Rain Fraction of Total Liquid Water |  |
| FRAIN | Rain Fraction of Total Liquid Water | non-dim |
| FRAIN | Rain Fraction of Total Liquid Water | Proportion |
| RWMR | Rain Mixing Ratio | kg kg-1 |
| RWMR | Rain mixing ratio | kg/kg |
| RPRATE | Rain Precipitation Rate | kg m-2s-1 |
| RPRATE | Rain Precipitation Rate | mm/s |
| RDRIP | Rate of water dropping from canopy to ground | unknown |
| ground | Rate of water dropping from canopy to | RDRIP |
| MergedReflectivityComposite | Raw Composite Reflectivity Mosaic | dBZ |
| MergedBaseReflectivity | Raw Merged Base Reflectivity | dBZ |
| RFL06 | Reflectance in 0.6 Micron Channel | % |
| RFL08 | Reflectance in 0.8 Micron Channel | % |
| RFL16 | Reflectance in 1.6 Micron Channel | % |
| RFL39 | Reflectance in 3.9 Micron Channel | % |
| Reflectivity0C | Reflectivity at 0C | dBZ |
| ReflectivityM10C | Reflectivity at -10C | dBZ |
| ReflectivityM15C | Reflectivity at -15C | dBZ |
| REFD | Reflectivity at 1 km AGL | dB |
| ReflectivityM20C | Reflectivity at -20C | dBZ |
| ReflectivityM5C | Reflectivity at -5C | dBZ |
| ReflectivityAtLowestAltitude | Reflectivity At Lowest Altitude (RALA) | dBZ |
| REFD | Reflectivity | dB |
| RAZA | Relative Azimuth Angle | Degree |
| RELD | Relative divergence | s^-1 |
| REV | Relative Error Variance |  |
| RH | Relative humidity | % |
| R H | Relative Humidity | % |
| RHPW | Relative Humidity with Respect to Precipitable Water | % |
| RELV | Relative vorticity | s^-1 |
| RSSC | Remotely sensed snow cover | (Code table 4.215) |
| RI | Richardson number | Numeric |
| RI | Richardson Number | Numeric |
| FRIME | Rime Factor |  |
| RIME | Rime Factor | non-dim |
| RIME | Rime factor | Numeric |
| RIME | Rime Factor | Numeric |
| RIME | Rime Factor |  |
| SFCRH | Roughness length for heat | m |
| SALTY | Salinity | kg/kg |
| SLTFL | Salt Flux | mm\*s |
| SATD | Saturation deficit | Pa |
| SAT D | Saturation Deficit | Pa |
| SATOSM | Saturation Of Soil Moisture | kg/m^3 |
| SCALB | Scaled albedo | Numeric |
| SCBT | Scaled brightness temperature | Numeric |
| SCCTP | Scaled cloud top pressure | Numeric |
| SCLI | Scaled lifted index | Numeric |
| SCPW | Scaled precipitable water | Numeric |
| SCRAD | Scaled radiance | Numeric |
| SCST | Scaled skin temperature | Numeric |
| SCESTUWIND | Scatterometer Estimated U Wind Component | m/s |
| SCESTVWIND | Scatterometer Estimated V Wind Component | m/s |
| SCINT | Scintillation | Numeric |
| SEAB | Sea Bottom |  |
| SeamlessHSR | Seamless Hybrid Scan Reflectivity (SHSR) | dBZ |
| SeamlessHSRHeight | Seamless Hybrid Scan Reflectivity (SHSR) Height | km |
| SSHG | Sea Surface Height Relative to Geoid | m |
| DIRSW | Secondary wave direction | Degree |
| PERSW | Secondary wave mean periods | s |
| s | Seconds prior to initial reference time (defined in Section 1) | TSEC |
| TSEC | Seconds prior to initial reference time | s |
| TSEC | Seconds Prior To Initial Reference Time | s |
| SHTFL | Sensible heat net flux | W/m^2 |
| SHI | Severe Hail Index (SHI) |  |
| SCBL | Shallow convective cloud bottom level |  |
| SCBL | Shallow Convective Cloud Bottom Level |  |
| SCCBT | Shallow Convective Cloud Bottom Level |  |
| SCCTL | Shallow Convective Cloud Top Level |  |
| SCTL | Shallow convective cloud top level |  |
| SCTL | Shallow Convective Cloud Top Level |  |
| SHAHR | Shallow Convective Heating rate | K/s |
| SHAMR | Shallow Convective Moistening Rate | kg kg-1 s-1 |
| SHAMR | Shallow Convective Moistening Rate | kg/kg\*s |
| SWAVR | Short wave radiation flux | W/m^2 |
| SGCVV | Sigma coordinate vertical velocity | s^-1 |
| SIGL | Sigma Level |  |
| SHAILPRO | Significant Hail probability | % |
| SIGHAILPROB | Significant Hail probability | % |
| HTSGW | Significant height of combined wind waves and swell | m |
| SWELL | Significant height of swell waves | m |
| WVHGT | Significant height of wind waves (m) | m |
| SIGTRNDPROB | Significant Tornado probability | % |
| STORPROB | Significant Tornado probability | % |
| SIGWINDPROB | Significant Wind probability | % |
| SWINDPRO | Significant Wind probability | % |
|  | Silt loam |  |
| SBC123 | Simulated Brightness Counts for GOES 12, Channel 3 | Byte |
| SBC124 | Simulated Brightness Counts for GOES 12, Channel 4 | Byte |
| SBTA1610 | Simulated Brightness Temperature for ABI GOES-16, Band-10 | K |
| SBTA1611 | Simulated Brightness Temperature for ABI GOES-16, Band-11 | K |
| SBTA1612 | Simulated Brightness Temperature for ABI GOES-16, Band-12 | K |
| SBTA1613 | Simulated Brightness Temperature for ABI GOES-16, Band-13 | K |
| SBTA1614 | Simulated Brightness Temperature for ABI GOES-16, Band-14 | K |
| SBTA1615 | Simulated Brightness Temperature for ABI GOES-16, Band-15 | K |
| SBTA1616 | Simulated Brightness Temperature for ABI GOES-16, Band-16 | K |
| SBTA167 | Simulated Brightness Temperature for ABI GOES-16, Band-7 | K |
| SBTA168 | Simulated Brightness Temperature for ABI GOES-16, Band-8 | K |
| SBTA169 | Simulated Brightness Temperature for ABI GOES-16, Band-9 | K |
| SBTA1710 | Simulated Brightness Temperature for ABI GOES-17, Band-10 | K |
| SBTA1711 | Simulated Brightness Temperature for ABI GOES-17, Band-11 | K |
| SBTA1712 | Simulated Brightness Temperature for ABI GOES-17, Band-12 | K |
| SBTA1713 | Simulated Brightness Temperature for ABI GOES-17, Band-13 | K |
| SBTA1714 | Simulated Brightness Temperature for ABI GOES-17, Band-14 | K |
| SBTA1715 | Simulated Brightness Temperature for ABI GOES-17, Band-15 | K |
| SBTA1716 | Simulated Brightness Temperature for ABI GOES-17, Band-16 | K |
| SBTA177 | Simulated Brightness Temperature for ABI GOES-17, Band-7 | K |
| SBTA178 | Simulated Brightness Temperature for ABI GOES-17, Band-8 | K |
| SBTA179 | Simulated Brightness Temperature for ABI GOES-17, Band-9 | K |
| AMSRE10 | Simulated Brightness Temperature for AMSRE on Aqua, Channel 10 | K |
| AMSRE11 | Simulated Brightness Temperature for AMSRE on Aqua, Channel 11 | K |
| AMSRE12 | Simulated Brightness Temperature for AMSRE on Aqua, Channel 12 | K |
| AMSRE9 | Simulated Brightness Temperature for AMSRE on Aqua, Channel 9 | K |
| SBT112 | Simulated Brightness Temperature for GOES 11, Channel 2 | K |
| SBT113 | Simulated Brightness Temperature for GOES 11, Channel 3 | K |
| SBT114 | Simulated Brightness Temperature for GOES 11, Channel 4 | K |
| SBT115 | Simulated Brightness Temperature for GOES 11, Channel 5 | K |
| SBT122 | Simulated Brightness Temperature for GOES 12, Channel 2 | K |
| SBT123 | Simulated Brightness Temperature for GOES 12, Channel 3 | K |
| SBT124 | Simulated Brightness Temperature for GOES 12, Channel 4 | K |
| SBT125 | Simulated Brightness Temperature for GOES 12, Channel 5 | K |
| SBT124 | Simulated Brightness Temperature for GOES E Infrared | K |
| SBT123 | Simulated Brightness Temperature for GOES E Water Vapor | K |
| SBT114 | Simulated Brightness Temperature for GOES W Infrared | K |
| SBT113 | Simulated Brightness Temperature for GOES W Water Vapor | K |
| SRFA161 | Simulated Reflectance Factor for ABI GOES-16, Band-1 |  |
| SRFA162 | Simulated Reflectance Factor for ABI GOES-16, Band-2 |  |
| SRFA163 | Simulated Reflectance Factor for ABI GOES-16, Band-3 |  |
| SRFA164 | Simulated Reflectance Factor for ABI GOES-16, Band-4 |  |
| SRFA165 | Simulated Reflectance Factor for ABI GOES-16, Band-5 |  |
| SRFA166 | Simulated Reflectance Factor for ABI GOES-16, Band-6 |  |
| SRFA171 | Simulated Reflectance Factor for ABI GOES-17, Band-1 |  |
| SRFA172 | Simulated Reflectance Factor for ABI GOES-17, Band-2 |  |
| SRFA173 | Simulated Reflectance Factor for ABI GOES-17, Band-3 |  |
| SRFA174 | Simulated Reflectance Factor for ABI GOES-17, Band-4 |  |
| SRFA175 | Simulated Reflectance Factor for ABI GOES-17, Band-5 |  |
| SRFA176 | Simulated Reflectance Factor for ABI GOES-17, Band-6 |  |
| SKTMP | Skin Temperature | K |
| SRCONO | Slight risk convective outlook | categorical |
| SSGSO | Slope Of Sub-Grid Scale Orography | Numeric |
| SNOAG | Snow age | day |
| SNOAG | Snow Age | day |
| SALBD | Snow Albedo | % |
| SCE | Snow Cover by elevation (snow=0-252,neither=253,clouds=254) | dm |
| SCP | Snow Cover | % |
| SC | Snow Cover (snow=250,clouds=100,neither=50) |  |
| SNOWC | Snow cover | % |
| SNOWC | Snow Cover | % |
| SDEN | Snow Density | kg m-3 |
| SDEN | Snow Density | kg/m^3 |
| SNOD | Snow depth | m |
| SNO D | Snow Depth | m |
| SDWE | Snow Depth Water Equivalent | kg m-2 |
| SDWE | Snow Depth Water Equivalent | mm |
| SEVAP | Snow Evaporation | kg m-2 |
| SEVAP | Snow Evaporation | mm |
| SRWEQ | Snowfall Rate Water Equivalent | kg m-2 s-1 |
| SRWEQ | Snowfall rate water equivalent | mm / s |
| SNFALB | Snow free albedo | % |
| SNFALB | Snow-Free Albedo | % |
| SNO M | Snow Melt | kg m-2 |
| SNOM | Snow melt | mm |
| SNMR | Snow Mixing Ratio | kg kg-1 |
| SNMR | Snow mixing ratio | kg/kg |
| SNOHF | Snow phase change heat flux | W/m^2 |
| SNOHF | Snow Phase Change Heat Flux | W/m^2 |
| SPRATE | Snow Precipitation Rate | kg m-2s-1 |
| SPRATE | Snow Precipitation Rate | mm/s |
| SNOWT | Snow temperature, depth-avg | K |
| SNOT | Snow temperature | K |
| SNO T | Snow temperature | K |
| SNOT | Snow Temperature | K |
| SCE | Snow water equivalent | cm |
| SWEPN | Snow water equivalent percent of normal | % |
| SOILM | Soil moisture content | mm |
| SOILM | Soil Moisture | kg/m^3 |
| RCSOL | Soil moisture parameter in canopy conductance | Fraction |
| RCSOL | Soil moisture parameter in canopy conductance | Proportion |
| SOILP | Soil Porosity | m^3/m^3 |
| POROS | Soil porosity | Proportion |
| TSOIL | Soil temperature | K |
| SOTYP | Soil type | index  |
| EUVIRR | Solar EUV Irradiance | W\*m^2 |
| RCS | Solar parameter in canopy conductance | Fraction |
| RCS | Solar parameter in canopy conductance | Proportion |
| SP | Solar photosphere |  |
| SWHR | Solar Radiative Heating Rate | K/s |
| SOLRF | Solar Radio Emissions | W\*m^2\*Hz^1 |
| SPECIRR | Solar Spectral Irradiance | W\*m^2\*n\*m^1 |
| XLONG | Solar X-ray Flux (XRS Long) | W\*m^2 |
| XSHRT | Solar X-ray Flux (XRS Short) | W\*m^2 |
| SOLZA | Solar Zenith Angle | Degree |
| AMSL | Specific Altitude Above Mean Sea Level | m |
| QZ0 | Specific humidity at top of viscous sublayer | kg/kg |
| SPF H | Specific Humidity | kg kg-1 |
| SPFH | Specific humidity | kg/kg |
| HTGL | Specified Height Level Above Ground | m |
| SRCS | Specified radius from the center of the Sun | m |
| DWWW | Spectal directional width of the wind waves |  |
| SPFTR | Spectral Peakedness Factor | s^-1 |
| SICED | Speed of ice drift | m/s |
| SPRDF | Spread F | m |
| HSTDV | Standard deviation of height | m |
| SDSGSO | Standard Deviation Of Sub-Grid Scale Orography | m |
| TSD1D | Standard Dev. of IR Temp. over 1x1 deg. area | K |
| HLCY | Storm relative helicity | J/kg |
| SSRUN | Storm surface runoff | mm |
| SURGE | Storm Surge | m |
| STPA | Storm total precip accum | mm |
| STRM | Stream function | m^2/s |
| SBSNO | Sublimation (evaporation from snow) | W m-2 |
| SBSNO | Sublimation (evaporation from snow) | W/m^2 |
| SUN | Sunshine duration (ECMWF proposal, not WMO approved) | s |
| SUNSD | Sunshine Duration | s |
| SUNS | SunShine | Numeric |
| SIPD | Supercooled Large Droplet Icing | mm |
| SIPD | Supercooled Large Droplet (SLD) Icing | See Table 4.207See Note (1) |
| SLDP | Supercooled Large Droplet (SLD) Probabilitysee note 1 | % |
| SLDP | Supercooled Large Droplet (SLD) Probability | % |
| SuperLayerCompositeReflectivity | Super Layer Composite Reflectivity (33-60 kft) | dBZ |
| AKHS | Surface exchange coefficients for T and Q divided by delta z | m/s |
| AKMS | Surface exchange coefficients for U and V divided by delta z | m/s |
| LFTX | Surface Lifted Index | K |
| SLI | Surface lifted index | K |
| PrecipType | Surface Precipitation Type (SPT) |  |
| SFCR | Surface roughness | m |
| SSST | Surface Salinity Trend | psu per day |
| SLTYP | Surface Slope Type | Index |
| ModelSurfaceTemperature | Surface Temperature | C |
| SSTT | Surface Temperature Trend | degree per day |
| SSTOR | Surface water storage | mm |
| Surge | Surge Height | m |
| SX | Sweat index | Numeric |
| TMPA | Temperature anomaly | K |
| T | Temperature | K |
| TMP | Temperature | K |
| TMPSWP | Temperature | K |
| RCT | Temperature parameter in canopy conductance | Fraction |
| RCT | Temperature parameter in canopy conductance | Proportion |
| TTDIA | Temperature Tendency By All Physics | K/s |
| TTRAD | Temperature tendency by all radiation | K\*s^-1 |
| TTRAD | Temperature tendency by all radiation | K/s |
| TTPHY | Temperature Tendency By Non-radiation Physics | K/s |
| WTEND | Tendency of vertical velocity | m/s^2 |
|  | The Associated Legendre Functions of the first kind are defined by |  |
| MASK | Thematic Mask | Numeric |
| THICK | Thickness | m |
| TSC | Thunderstorm coverage | (Code table 4.204) |
| TSMT | Thunderstorm maximum tops | m |
| TSTM | Thunderstorm probability | % |
| TSTM | Thunderstorm Probability | % |
| TACONCP | Time-integrated air concentration of caesium pollutant | Bq\*s/m^3 |
| TACONIP | Time-integrated air concentration of iodine pollutant | Bq\*s/m^3 |
| TACONRDP | Time-integrated air concentration of radioactive pollutant | Bq\*s/m^3 |
| PTOR | Tornado probability | % |
| TORPROB | Tornado probability | % |
| TRNDPROB | Tornado probability | % |
| TCDC | Total cloud cover | % |
| TCOLI | Total column-integrated cloud ice | mm |
| TCOLI | Total Column-Integrated Cloud Ice | mm |
| TCOLW | Total column-integrated cloud water | mm |
| TCOLW | Total Column-Integrated Cloud Water | mm |
| TCOLC | Total column-integrated condensate | mm |
| TCOLC | Total Column-Integrated Condensate | mm |
| TCOLM | Total column-integrated melting ice | kg m-2 |
| TCOLM | Total column-integrated melting ice | mm |
| TCIOZ | Total Column Integrated Ozone | Dobson |
| TCOLR | Total Column Integrated Rain | kg m-2 |
| TCOLR | Total column integrated rain | mm |
| TCOLR | Total Column Integrated Rain | mm |
| TCOLS | Total Column Integrated Snow | kg m-2 |
| TCOLS | Total column integrated snow | mm |
| TCOLS | Total Column Integrated Snow | mm |
| TCLSW | Total column-integrated supercooled liquid water | kg m-2 |
| TCLSW | Total column-integrated supercooled liquid water | mm |
| TCIWV | Total Column Integrated Water Vapour | kg m-2 |
| TCIWV | Total Column Integrated Water Vapour | mm |
| TCOLG | Total Column Integrate Graupel | kg/m^2 |
| TCWAT | Total Column Water (Vertically integrated total water (vapour+cloud water/ice) | kg m-2 |
| TCWAT | Total Column Water(Vertically integrated total water (vapour+cloud water/ice) | mm |
| TCOND | Total Condensate | kg \* kg^-1 |
| TCOND | Total condensate | kg/kg |
| TCOND | Total Condensate | kg/kg |
| THFLX | Total Downward Heat Flux at Surface | W/m^2 |
| TIPD | Total Icing Potential Diagnostic | non-dim |
| TIPD | Total Icing Potential Diagnostic |  |
| TOZNE | Total ozone | Dobson |
| A PCP | Total Precipitation | kg m-2 |
| APCP | Total precipitation | mm |
| APCPN | Total precipitation (nearest grid point) | kg/m2 |
| APCPN | Total precipitation (nearest grid point) | mm |
| TPRATE | Total Precipitation Rate | kg m-2s-1 |
| TPRATE | Total Precipitation Rate | mm/s |
| PRSIGSV | Total Probability of Extreme Severe Thunderstorms (Days 2,3) | % |
| PRSIGSVR | Total Probability of Extreme Severe Thunderstorms (Days 2,3) | % |
| PRSVR | Total Probability of Severe Thunderstorms (Days 2,3) | % |
| ASNOW | Total Snowfall | m |
| TOTSN | Total snowfall | m |
| TSRATE | Total Snowfall Rate | m s-1 |
| TSRATE | Total Snowfall Rate | m/s |
| TSRWE | Total Snowfall Rate Water Equivalent | kg m-2s-1 |
| TSRWE | Total Snowfall Rate Water Equivalent | mm/s |
| TSNOW | Total Snow | kg/m2 |
| TSNOW | Total Snow | mm |
| TSNOWP | Total Snow Precipitation | kg m-2 |
| TSNOWP | Total Snow Precipitation | mm |
| TTX | Total totals index | K |
| TWATP | Total Water Precipitation | kg m-2 |
| TWATP | Total Water Precipitation | mm |
| TTHDP | Transient thermocline depth | m |
| TRANSO | Transpiration Stree-Onset(Soil Moisture) | kg/m^3 |
| SMREF | Transpiration stress-onset (soil moisture) | Proportion |
| TRANS | Transpiration | W/m^2 |
| TCHP | Tropical Cyclone Heat Potential | J/m^2\*K |
| TRO | Tropopause |  |
| TRBBS | Turbulence base | m |
| TURBB | Turbulence Base | m |
| TURB | Turbulence | (Code table 4.208) |
| TPFI | Turbulence Potential Forecast Index |  |
| TURB | Turbulence | See Table 4.208 |
| TRBTP | Turbulence top | m |
| TURBT | Turbulence Top | m |
| TKE | Turbulent Kinetic Energy | J kg-1 |
| TKE | Turbulent kinetic energy | J/kg |
| UOGRD | u-component of current | cm/s |
| UOGRD | u-component of current | m/s |
| MAXUW | U Component of Hourly Maximum 10m Wind Speed | m/s |
| UICE | u-component of ice drift | m/s |
| UGUST | u-component of wind gust | m/s |
| UGRD | u-component of wind | m/s |
| USTM | U-component storm motion | m/s |
| USTM | U-Component Storm Motion | m/s |
| USSD | U-component Surface Stokes Drift | m/s |
| UVI | Ultra Violet Index | J/m^2 |
| UPHL | Updraft Helicity in Layer 2-5 km AGL | m^2/s^2 |
| UPHL | Updraft Helicity | m^2/s^2 |
| ULSM | Upper layer soil moisture | kg/m^3 |
| ULST | Upper layer soil temperature | K |
| ULWRF | Upward Long-Wave Rad. Flux | W/m^2 |
| ULWRF | Upward long-wave radiation flux | W/m^2 |
|  | Upward Long-W/m^2 | ULWRF |
| USWRF | Upward Short-Wave Rad. Flux | W/m^2 |
| USWRF | Upward short-wave radiation flux | W/m^2 |
|  | Upward Short-W/m^2 | USWRF |
| UTRF | Upward Total radiation Flux | W/m^2 |
| DUVB | UV-B downward solar flux | W/m^2 |
| UVI | UV Index | J/m^2 |
| UVIUCS | UV Index (Under Clear Sky) | Numeric |
| VAPP | Vapor pressure | Pa |
| VAPP | Vapor Pressure | Pa |
| VOGRD | v-component of current | cm/s |
| VOGRD | v-component of current | m/s |
| MAXVW | V Component of Hourly Maximum 10m Wind Speed | m/s |
| VICE | v-component of ice drift | m/s |
| UGUST | v-component of wind gust | m/s |
| VGRD | v-component of wind | m/s |
| VSTM | V-component storm motion | m/s |
| VSTM | V-Component Storm Motion | m/s |
| VSSD | V-component Surface Stokes Drift | m/s |
| VEGT | Vegetation canopy temperature | K |
| VGTYP | Vegetation Type | Integer 0-13 |
| VEG | Vegetation | % |
| SPEED | Velocity Magnitude (Speed) | m\*s^1 |
| LMV | Velocity Point Model Surface |  |
| VPOT | Velocity potential | m^2/s |
| VRATE | Ventilation Rate | m^2/s |
| VDFHR | Vertical Diffusion Heating rate | K/s |
| VDFVA | Vertical Diffusion Meridional Acceleration | m/s^2 |
| VDFMR | Vertical Diffusion Moistening Rate | kg/kg\*s |
| VDFUA | Vertical Diffusion Zonal Acceleration | m/s^2 |
| VEDH | Vertical Eddy Diffusivity Heat exchange | m^2/s |
| VTEC | Vertical Electron Content | m^2 |
| VII | Vertically Integrated Ice (VII) | kg/m^2 |
| VILIQ | Vertically-integrated liquid | kg/m^2 |
| MRMSVILDensity | Vertically Integrated Liquid (VIL) Density | g/m^3 |
| MRMSVIL | Vertically Integrated Liquid (VIL) | kg/m^2 |
| VIL | Vertically Integrated Liquid (VIL) | kg/m^2 |
| VWSH | Vertical speed shear | s^-1 |
| VWSH | Vertical speed sheer | s^-1 |
| VUCSH | Vertical u-component shear | s^-1 |
| VVCSH | Vertical v-component shear | s^-1 |
| DZDT | Vertical velocity geometric | m/s |
| VVEL | Vertical velocity pressure | Pa/s |
| VPTMP | Virtual potential temperature | K |
| VTMP | Virtual temperature | K |
| VIS | Visibility | m |
| VBDSF | Visible Beam Downward Solar Flux | W/m^2 |
| SBSALB | Visible, Black Sky Albedo | % |
| VDDSF | Visible Diffuse Downward Solar Flux | W/m^2 |
| Visible | Visible Imagery |  |
| SWSALB | Visible, White Sky Albedo | % |
| VASH | Volcanic ash | (Code table 4.206) |
| VAFTD | Volcanic Ash Forecast Transport and Dispersion | log10(kg/m^3) |
| VOLASH | Volcanic Ash | See Table 4.206 |
| VOLDEC | Volumetric Direct Evaporation Cease(Soil Moisture) | m^3/m^3 |
| VSOSM | Volumetric Saturation Of Soil Moisture | m^3/m^3 |
| SOILW | Volumetric soil moisture content | Proportion |
| VSOILM | Volumetric Soil Moisture | m^3/m^3 |
| VOLTSO | Volumetric Transpiration Stree-Onset(Soil Moisture) | m^3/m^3 |
| VWILTM | Volumetric Wilting Moisture | m^3/m^3 |
| WCINC | Water condensate added by precip assimilation | mm |
| WCCONV | Water Condensate Flux Convergance (Vertical Int) | mm |
| WCVFLX | Water Condensate Meridional Flux (Vertical Int) | mm |
| WCUFLX | Water Condensate Zonal Flux (Vertical Int) | mm |
| WEASD | Water Equivalent of Accumulated Snow Depth | kg m-2 |
| WEASD | Water equivalent of accumulated snow depth | mm |
| WATR | Water runoff | mm |
| TEMPWTR | Water temperature | K |
| WVINC | Water vapor added by precip assimilation | mm |
| WVCONV | Water Vapor Flux Convergance (Vertical Int) | mm |
| WaterVapor | Water Vapor Imagery | K |
| WVVFLX | Water Vapor Meridional Flux (Vertical Int) | mm |
| WVUFLX | Water Vapor Zonal Flux (Vertical Int) | mm |
| WDIRW | Wave Directional Width |  |
| WESP | Wave Engery Spectrum | s/m^2 |
| WVSP1 | Wave spectra (1) |  |
| WVSP2 | Wave spectra (2) |  |
| WVSP3 | Wave spectra (3) |  |
| WSTP | Wave Steepness |  |
| WSTR | Wave Stress | N/m^2 |
| wxType | Weather |  |
| ModelWetbulbTemperature | Wet Bulb Temperature | C |
| WHTCOR | White Light Coronagraph Radiance | W\*s\*r^1\*m^2 |
| WHTRAD | White Light Radiance | W\*s\*r^1\*m^2 |
| WILT | Wilting Point | kg/m^3 |
| WILT | Wilting point | Proportion |
| WCI | Wind chill factor | K |
| WDIR | Wind direction (from which blowing) | deg |
| WMIXE | Wind mixing energy | J |
| WINDPROB | Wind probability | % |
| WINDPROB | Wind Probability | % |
| WGS | Wind speed gust | m/s |
| PWS | Wind speed | m/s |
| WIND | Wind speed | m/s |
| HGT X | X-gradient of Height | m^-1 |
| LPS X | X-gradient of Log Pressure | m^-1 |
| XRAYRAD | X-Ray Radiance | W\*s\*r^1\*m^2 |
| HGT Y | Y-gradient of Height | m^-1 |
| LPS Y | Y-gradient of Log Pressure | m^-1 |
| UGWD | Zonal flux of gravity wave stress | N/m^2 |
| U-GWD | Zonal Flux of Gravity Wave Stress | N/m^2 |