## A * ACARS - Aircraft Communications Addressing and Reporting System * AEV - AFOS-Era Verification * AFOS - Automation of Field Operations and Services * AGL - above ground level * AI - AWIPS Identifier * AMSU - Advanced Microwave Sounding Unit * ARD - AWIPS Remote Display * ASL - Above Sea Level * ASOS - Automated Surface Observing System * ASR - Airport Surveillance Radar * ATMS - Advanced Technology Microwave Sounder * AvnFPS - Aviation Forecast Preparation System * AVP - AWIPS Verification Program * AWC - Aviation Weather Center * AWIPS - Advanced Weather Interactive Processing System ## B * BGAN - Broadboand Global Area Network * BUFR - Binary Universal Form for the Representation of meteorological data ## C * CAPE - Convective Available Potential Energy * CAVE - Common AWIPS Visualization Environment * CC - Correlation Coefficient * CCF - Coded Cities Forecast * CCFP - Collaborative Convective Forecast Product * CCL - Convective Condensation Level * CDP - Cell Display Parameters * CFC - Clutter Filter Control * CGI - Common Gateway Interface * CIN - Convective Inhibition * CITR - Commerce Information Technology Requirement * CONUS - Conterminous/Contiguous/Continental United States * COOP - Continuity Of Operations Planning * COTS - commercial off-the-shelf * CrIMSS - Cross-track Infrared and Microwave Sounder Suite * CrIS - Cross-track Infrared Sounder * CWA - County Warning Area * CWSU - Center Weather Service Unit * CZ - Composite Reflectivity ## D * D2D - Display 2 Dimensions * DFM - Digital Forecast Matrix * DMD - Digital Mesocyclone Display * DMS - Data Monitoring System * DOC - Department of Commerce * DPA - Digital Precipitation Array ## E * ECMWF - European Centre for Medium-Range Forecasts * EDEX - Environmental Data EXchange * EMC - Environmental Modeling Center * EL - Equilibrium Level * ESA - Electronic Systems Analyst * ESRL - Earth System Research Laboratory ## F * FFG - Flash Flood Guidance * FFFG - Forced Flash Flood Guidance * FFMP - Flash Flood Monitoring and Prediction * FFMPA - Flash Flood Monitoring and Prediction: Advanced * FFTI - Flash Flood Threat Index * FFW - Flash Flood Warning * FSL - Forecast Systems Laboratory ## G * GFE - Graphical Forecast Editor * GFS - Global Forecasting Systems * GHG - Graphical Hazards Generator * GIS - Geographic Information Systems * GMT - Greenwich Mean Time * GOES - Geostationary Operational Environmental Satellite * GSD - Global System Division ## H * HC - Hydrometeor Classification * HI - Hail Index * HM - Hydromet * HPC - Hydrologic Precipitation Center * HWR - Hourly Weather Roundup ## I * ICAO - International Civil Aviation Organization * IFP - Interactive Forecast Program * IFPS - Interactive Forecast Preparation System * IHFS - Integrated Hydrologic Forecast System * IMET - Incident Meteorologist * IR - infrared * ISS - Incident Support Specialist IST - Interactive Skew-T ## J * JMS - Java Messaging System ## K * KDP - Specific Differential Phase * KML - Keyhole Markup Language * KMZ - KML zipped (compressed). ## L * LAC - Listening Area Code * LAMP - Localized Aviation MOS Program * LAN - Local Area Network * LAPS - Local Analysis and Prediction System * LARC - Local Automatic Remote Collector * LCL - Lifting Condensation Level * LDAD - Local Data Acquisition and Dissemination * LFC - Level of Free Convection * LSR - Local Storm Report ## M * MAPS - Mesoscale Analysis and Prediction System * mb - millibar; pressure * MDCRS - Meteorological Data Collection and Receiving System * MDL - Meteorological Development Laboratory * MDP - Mesocyclone Display Parameters * MDPI - Microburst-Day Potential Index * MEF - Manually Entered Forecast * METAR - Meteorological Aviation Report * MHS - message handling system * ML - Melting Layer * MND - Mass News Dissemination * MOS - Model Output Statistics * MPC - Marine Prediction Center * MPE - Multisensor Precipitation Estimator * MRD - Message Reference Descriptor * MRU - Meso Rapid Update * MSAS - MAPS Surface Assimilation System * MSL - Mean Sea Level ## N * NAM - North American Mesoscale model * NCEP - National Centers for Environmental Prediction * NCF - Network Control Facility * NDFD - National Digital Forecast Database * NE-PAC - Northeastern Pacific * NESDIS - National Environmental Satellite, Data and Information Service * NH - Northern Hemisphere * nMi - nautical miles * NOAA - National Oceanic and Atmospheric Administration * NPN - NOAA Profiler Network * NPP - Suomi National Polar-orbiting Partnership * NUCAPS - NOAA Unique CrIS/ATMS Processing Systems * NWP - Numerical Weather Prediction * NWR - NOAA Weather Radio * NWS - National Weather Service * NWRWAVES - NOAA Weather Radio With All-Hazards VTEC Enhanced Software * NWSRFS - National Weather Service River Forecast System * NWWS - NOAA Weather Wire Service ## O * OCP - Ocean Prediction Center * OH - Office of Hydrology * OPC - Ocean Prediction Center * ORPG - Open Radar Products Generator * OSD - One Hour Snow Depth * OSW - One Hour Snow Water * OTR - One Time Request ## P * PID - Product Identification * PIL - Product Inventory List * PIREP - Pilot Weather Report * POES - Polar Operational Environmental Satellite * POSH - Probability of Severe Hail * POH - Probability of Hail * POP - Probability of Precipitation * PQPF - Probabilistic QPF * PRF - Pulse Repetition Frequency ## Q * QC - quality control * QCMS - Quality Control and Monitoring System * QPE - Quantitative Precipitation Estimator * QPF - Quantitative Precipitation Forecast * QPS - Quantitative Precipitation Summary ## R * RAOB - Radiosonde Observation * RAP - Rapid Refresh (Replaced RUC) * RCM - Radar Coded Message * RER - Record Report * RFC - River Forecast Center * RGB - Red, Green, Blue * RHI - Range Height Indicator * RMR - Radar Multiple Request * ROSA - Remote Observing System Automation * RPG - Radar Product Generator * RPS - routine product set * RTD - Requirements Traceability Document; Routine, Delayed * RTMA - Real Time Mesoscale Analysts * RUC - Rapid Update Cycle (Replaced by RAP) ## S * SAFESEAS - System on AWIPS for Forecasting and Evaluation of Seas and Lakes * SBN - Satellite Broadcast Network * SCAN - System for Convection Analysis and Nowcasting * SCD - Supplementary Climatological Data * SCID - Storm Cell Identification Display * SCP - Satellite Cloud Product * SCTI - SCAN CWA Threat Index * SDC - State Distribution Circuit * SNOW - System for Nowcasting Of Winter Weather * SOO - Science and Operations Officer * SPC - Storm Prediction Center * SPE - Satellite Precipitation Estimate * SREF - Short Range Ensemble Forecast * SRG - Supplemental Product Generator * SRM - Storm Relative Motion * SSD - Storm-Total Snow Depth * SSM/I - Special Sensor Microwave/Imager * SSW - Storm-Total Snow Water * STI - Storm Track Information * Suomi NPP - Suomi National Polar-orbiting Partnership * SW - Spectrum Width * SWEAT Index - Severe Weather Threat Index * SWP - Severe Weather Probability ## T * TAF - Terminal Aerodrome Forecast (international code) * TAFB - Tropical Analysis and Forecast Branch * TCM - Marine/Tropical Cyclone Advisory * TCP - Public Tropical Cyclone Advisory * TDWR - Terminal Doppler Weather Radio * TE-PAC - Tropical Pacific * TMI - Text Message Intercept * TRU - TVS Rapid Update * TT - Total Totals * TVS - Tornado Vortex Signature * TWB - Transcribed Weather Broadcasts ## U * UGC - Universal Geographic Code * ULR - User Selectable Layer Reflectivity * URL - Universal Resource Locator * USD - User Selectable Snow Depth * USW - User Selectable Snow Water * UTC - Coordinated Universal Time ## V * VAD - Velocity Azimuth Display * VCP - volume coverage pattern * VIIR - Visible Infrared Imager Radiometer Suite * VIL - Vertically Integrated Liquid * VTEC - Valid Time and Event Code * VWP - VAD Wind Profile ## W * W-ATL - Western Atlantic * WFO - Weather Forecast Office * WINDEX - Wind Index * WMO - World Meteorological Organization * WSFO - Weather Service Forecast Office * WSO - Weather Service Office * WSOM - Weather Service Operations Manual * WSR-88D - Weather Surveillance Radar-1988 Doppler * WWA - Watch Warning Advisory * WV - water vapor ## Z * Z - Reflectivity * ZDR - Differential Reflectivity