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< li class = "toctree-l4" > < a class = "reference internal" href = "#use-the-data" > 5 Use the Data!< / a > < / li >
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< section id = "metar-station-plot-with-metpy" >
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< h1 > METAR Station Plot with MetPy< a class = "headerlink" href = "#metar-station-plot-with-metpy" title = "Permalink to this heading" > < / a > < / h1 >
2024-05-29 13:13:26 +00:00
< p > < a class = "reference external" href = "http://nbviewer.ipython.org/github/Unidata/python-awips/blob/website/examples/notebooks/METAR_Station_Plot_with_MetPy.ipynb" > Notebook< / a >
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Python-AWIPS Tutorial Notebook< / p >
< hr class = "docutils" / >
< section id = "objectives" >
< h2 > Objectives< a class = "headerlink" href = "#objectives" title = "Permalink to this heading" > < / a > < / h2 >
< ul class = "simple" >
< li > < p > Use python-awips to connect to an edex server< / p > < / li >
< li > < p > Define and filter data request for METAR surface obs< / p > < / li >
< li > < p > Extract necessary data and reformat it for plotting< / p > < / li >
< li > < p > Stylize and plot METAR station data using Cartopy, Matplotlib, and
MetPy< / p > < / li >
< / ul >
< hr class = "docutils" / >
< section id = "table-of-contents" >
< h3 > Table of Contents< a class = "headerlink" href = "#table-of-contents" title = "Permalink to this heading" > < / a > < / h3 >
< div class = "line-block" >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#imports" > 1
Imports< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#function-get-cloud-cover" > 2 Function:
get_cloud_cover()< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#initial-setup" > 3 Initial
Setup< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#initial-edex-connection" > 3.1 Initial EDEX
Connection< / a > < / div >
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< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#setting-connection-location-names" > 3.2 Setting Connection Location
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Names< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#filter-by-time" > 4 Filter by
Time< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#use-the-data" > 5 Use the
Data!< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#get-the-data" > 5.1 Get the
Data!< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#extract-all-parameters" > 5.2 Extract all
Parameters< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#populate-the-data-dictionary" > 5.3 Populate the Data
Dictionary< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#plot-the-data" > 6 Plot the
Data!< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#see-also" > 7 See
Also< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#related-notebooks" > 7.1 Related
Notebooks< / a > < / div >
< div class = "line" > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html#additional-documentation" > 7.2 Additional
Documentation< / a > < / div >
< / div >
< / section >
< section id = "imports" >
< h3 > 1 Imports< a class = "headerlink" href = "#imports" title = "Permalink to this heading" > < / a > < / h3 >
< p > The imports below are used throughout the notebook. Note the first two
imports are coming directly from python-awips and allow us to connect to
an EDEX server, and define a timrange used for filtering the data. The
subsequent imports are for data manipulation and visualization.< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > from< / span > < span class = "nn" > awips.dataaccess< / span > < span class = "kn" > import< / span > < span class = "n" > DataAccessLayer< / span >
< span class = "kn" > from< / span > < span class = "nn" > dynamicserialize.dstypes.com.raytheon.uf.common.time< / span > < span class = "kn" > import< / span > < span class = "n" > TimeRange< / span >
< span class = "kn" > from< / span > < span class = "nn" > datetime< / span > < span class = "kn" > import< / span > < span class = "n" > datetime< / span > < span class = "p" > ,< / span > < span class = "n" > timedelta< / span >
< span class = "kn" > import< / span > < span class = "nn" > numpy< / span > < span class = "k" > as< / span > < span class = "nn" > np< / span >
< span class = "kn" > import< / span > < span class = "nn" > cartopy.crs< / span > < span class = "k" > as< / span > < span class = "nn" > ccrs< / span >
< span class = "kn" > import< / span > < span class = "nn" > cartopy.feature< / span > < span class = "k" > as< / span > < span class = "nn" > cfeature< / span >
< span class = "kn" > import< / span > < span class = "nn" > matplotlib.pyplot< / span > < span class = "k" > as< / span > < span class = "nn" > plt< / span >
< span class = "kn" > from< / span > < span class = "nn" > metpy.calc< / span > < span class = "kn" > import< / span > < span class = "n" > wind_components< / span >
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< span class = "kn" > from< / span > < span class = "nn" > metpy.plots< / span > < span class = "kn" > import< / span > < span class = "n" > StationPlot< / span > < span class = "p" > ,< / span > < span class = "n" > StationPlotLayout< / span > < span class = "p" > ,< / span > < span class = "n" > sky_cover< / span >
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< span class = "kn" > from< / span > < span class = "nn" > metpy.units< / span > < span class = "kn" > import< / span > < span class = "n" > units< / span >
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< / pre > < / div >
< / div >
< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< hr class = "docutils" / >
< section id = "function-get-cloud-cover" >
< h3 > 2 Function: get_cloud_cover()< a class = "headerlink" href = "#function-get-cloud-cover" title = "Permalink to this heading" > < / a > < / h3 >
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< p > Returns the cloud coverage values as integer codes (0 through 8).< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "k" > def< / span > < span class = "nf" > get_cloud_cover< / span > < span class = "p" > (< / span > < span class = "n" > code< / span > < span class = "p" > ):< / span >
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< span class = "k" > if< / span > < span class = "s1" > ' OVC' < / span > < span class = "ow" > in< / span > < span class = "n" > code< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "mi" > 8< / span >
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< span class = "k" > elif< / span > < span class = "s1" > ' BKN' < / span > < span class = "ow" > in< / span > < span class = "n" > code< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "mi" > 6< / span >
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< span class = "k" > elif< / span > < span class = "s1" > ' SCT' < / span > < span class = "ow" > in< / span > < span class = "n" > code< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "mi" > 4< / span >
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< span class = "k" > elif< / span > < span class = "s1" > ' FEW' < / span > < span class = "ow" > in< / span > < span class = "n" > code< / span > < span class = "p" > :< / span >
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< span class = "k" > return< / span > < span class = "mi" > 2< / span >
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< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "mi" > 0< / span >
< / pre > < / div >
< / div >
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< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< hr class = "docutils" / >
< section id = "initial-setup" >
< h3 > 3 Initial Setup< a class = "headerlink" href = "#initial-setup" title = "Permalink to this heading" > < / a > < / h3 >
< section id = "initial-edex-connection" >
< h4 > 3.1 Initial EDEX Connection< a class = "headerlink" href = "#initial-edex-connection" title = "Permalink to this heading" > < / a > < / h4 >
< p > First we establish a connection to Unidata’
that connection made, we can create a < a class = "reference external" href = "http://unidata.github.io/python-awips/api/IDataRequest.html" > new data request
object< / a >
and set the data type to < strong > obs< / strong > .< / p >
< p > Then, because we’ ’
< a class = "reference external" href = "https://unidata.github.io/MetPy/latest/api/generated/metpy.plots.StationPlot.html" > StationPlot< / a >
and
< a class = "reference external" href = "https://unidata.github.io/MetPy/latest/api/generated/metpy.plots.StationPlotLayout.html" > StationPlotLayout< / a >
we need to define several parameters, and then set them on the data
request object.< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "c1" > # EDEX Request< / span >
< span class = "n" > edexServer< / span > < span class = "o" > =< / span > < span class = "s2" > " edex-cloud.unidata.ucar.edu" < / span >
< span class = "n" > DataAccessLayer< / span > < span class = "o" > .< / span > < span class = "n" > changeEDEXHost< / span > < span class = "p" > (< / span > < span class = "n" > edexServer< / span > < span class = "p" > )< / span >
< span class = "n" > request< / span > < span class = "o" > =< / span > < span class = "n" > DataAccessLayer< / span > < span class = "o" > .< / span > < span class = "n" > newDataRequest< / span > < span class = "p" > (< / span > < span class = "s2" > " obs" < / span > < span class = "p" > )< / span >
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< span class = "c1" > # define desired parameters< / span >
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< span class = "n" > single_value_params< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "s2" > " stationName" < / span > < span class = "p" > ,< / span > < span class = "s2" > " longitude" < / span > < span class = "p" > ,< / span > < span class = "s2" > " latitude" < / span > < span class = "p" > ,< / span >
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< span class = "s2" > " temperature" < / span > < span class = "p" > ,< / span > < span class = "s2" > " dewpoint" < / span > < span class = "p" > ,< / span > < span class = "s2" > " windDir" < / span > < span class = "p" > ,< / span >
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< span class = "s2" > " windSpeed" < / span > < span class = "p" > ]< / span >
< span class = "n" > multi_value_params< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "s2" > " skyCover" < / span > < span class = "p" > ]< / span >
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< span class = "n" > params< / span > < span class = "o" > =< / span > < span class = "n" > single_value_params< / span > < span class = "o" > +< / span > < span class = "n" > multi_value_params< / span >
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< span class = "c1" > # set all parameters on the request< / span >
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< span class = "n" > request< / span > < span class = "o" > .< / span > < span class = "n" > setParameters< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "p" > (< / span > < span class = "n" > params< / span > < span class = "p" > ))< / span >
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< / pre > < / div >
< / div >
< / section >
< section id = "setting-connection-location-names" >
< h4 > 3.2 Setting Connection Location Names< a class = "headerlink" href = "#setting-connection-location-names" title = "Permalink to this heading" > < / a > < / h4 >
< p > We are also going to define specific station IDs so that our plot is not
too cluttered.< / p >
< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "c1" > # Define a list of station IDs to plot< / span >
< span class = "n" > selected< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "s1" > ' KPDX' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KOKC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KICT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KGLD' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMEM' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBOS' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMIA' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMOB' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KABQ' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPHX' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KTTF' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KORD' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBIL' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBIS' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCPR' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLAX' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KATL' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMSP' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KSLC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KDFW' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KNYC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPHL' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KPIT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KIND' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KOLY' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KSYR' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLEX' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCHS' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KTLH' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KHOU' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KGJT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLBB' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLSV' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KGRB' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCLT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLNK' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KDSM' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBOI' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KFSD' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KRAP' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KRIC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KJAN' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KHSV' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCRW' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KSAT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBUY' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' K0CO' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KZPC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KVIH' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBDG' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMLF' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KELY' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KWMC' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KOTH' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCAR' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KLMT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KRDM' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPDT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KSEA' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KUIL' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KEPH' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPUW' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCOE' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMLP' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPIH' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KIDA' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KMSO' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KACV' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KHLN' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBIL' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KOLF' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KRUT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KPSM' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KJAX' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KTPA' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KSHV' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMSY' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KELP' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KRNO' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KFAT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KSFO' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KNYL' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBRO' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KMRF' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KDRT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KFAR' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KBDE' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KDLH' < / span > < span class = "p" > ,< / span >
< span class = "s1" > ' KHOT' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KLBF' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KFLG' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KCLE' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' KUNV' < / span > < span class = "p" > ]< / span >
< span class = "c1" > # set the location names to the desired station IDs< / span >
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< span class = "n" > request< / span > < span class = "o" > .< / span > < span class = "n" > setLocationNames< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "p" > (< / span > < span class = "n" > selected< / span > < span class = "p" > ))< / span >
< / pre > < / div >
< / div >
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< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< / section >
< hr class = "docutils" / >
< section id = "filter-by-time" >
< h3 > 4 Filter by Time< a class = "headerlink" href = "#filter-by-time" title = "Permalink to this heading" > < / a > < / h3 >
< p > Here we decide how much data we want to pull from EDEX. By default we’
request 1 hour, but that value can easily be modified by < cite > adjusting the
``timedelta(hours = 1)`< / cite > < < a class = "reference external" href = "https://docs.python.org/3/library/datetime.html#timedelta-objects" > https://docs.python.org/3/library/datetime.html#timedelta-objects< / a > > `__
in line < code class = "docutils literal notranslate" > < span class = "pre" > 2< / span > < / code > . The more data we request, the longer this section will
take to run.< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "c1" > # Time range< / span >
< span class = "n" > lastHourDateTime< / span > < span class = "o" > =< / span > < span class = "n" > datetime< / span > < span class = "o" > .< / span > < span class = "n" > utcnow< / span > < span class = "p" > ()< / span > < span class = "o" > -< / span > < span class = "n" > timedelta< / span > < span class = "p" > (< / span > < span class = "n" > hours< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > start< / span > < span class = "o" > =< / span > < span class = "n" > lastHourDateTime< / span > < span class = "o" > .< / span > < span class = "n" > strftime< / span > < span class = "p" > (< / span > < span class = "s1" > ' %Y-%m-< / span > < span class = "si" > %d< / span > < span class = "s1" > %H' < / span > < span class = "p" > )< / span >
< span class = "n" > beginRange< / span > < span class = "o" > =< / span > < span class = "n" > datetime< / span > < span class = "o" > .< / span > < span class = "n" > strptime< / span > < span class = "p" > (< / span > < span class = "n" > start< / span > < span class = "o" > +< / span > < span class = "s2" > " :00:00" < / span > < span class = "p" > ,< / span > < span class = "s2" > " %Y-%m-< / span > < span class = "si" > %d< / span > < span class = "s2" > %H:%M:%S" < / span > < span class = "p" > )< / span >
< span class = "n" > endRange< / span > < span class = "o" > =< / span > < span class = "n" > datetime< / span > < span class = "o" > .< / span > < span class = "n" > strptime< / span > < span class = "p" > (< / span > < span class = "n" > start< / span > < span class = "o" > +< / span > < span class = "s2" > " :59:59" < / span > < span class = "p" > ,< / span > < span class = "s2" > " %Y-%m-< / span > < span class = "si" > %d< / span > < span class = "s2" > %H:%M:%S" < / span > < span class = "p" > )< / span >
< span class = "n" > timerange< / span > < span class = "o" > =< / span > < span class = "n" > TimeRange< / span > < span class = "p" > (< / span > < span class = "n" > beginRange< / span > < span class = "p" > ,< / span > < span class = "n" > endRange< / span > < span class = "p" > )< / span >
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< / pre > < / div >
< / div >
< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< hr class = "docutils" / >
< section id = "use-the-data" >
< h3 > 5 Use the Data!< a class = "headerlink" href = "#use-the-data" title = "Permalink to this heading" > < / a > < / h3 >
< section id = "get-the-data" >
< h4 > 5.1 Get the Data!< a class = "headerlink" href = "#get-the-data" title = "Permalink to this heading" > < / a > < / h4 >
< p > Now that we have our < code class = "docutils literal notranslate" > < span class = "pre" > request< / span > < / code > and TimeRange < code class = "docutils literal notranslate" > < span class = "pre" > timerange< / span > < / code > objects
ready, we’ < / p >
< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "c1" > # Get response< / span >
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< span class = "n" > response< / span > < span class = "o" > =< / span > < span class = "n" > DataAccessLayer< / span > < span class = "o" > .< / span > < span class = "n" > getGeometryData< / span > < span class = "p" > (< / span > < span class = "n" > request< / span > < span class = "p" > ,< / span > < span class = "n" > timerange< / span > < span class = "p" > )< / span >
< / pre > < / div >
< / div >
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< / section >
< section id = "extract-all-parameters" >
< h4 > 5.2 Extract all Parameters< a class = "headerlink" href = "#extract-all-parameters" title = "Permalink to this heading" > < / a > < / h4 >
< p > In this section we start gathering all the information we’
properly display our data. First we create an empty dictionary and array
to keep track of all data and unique station IDs. We also create a
boolean to help us only grab the first entry for < code class = "docutils literal notranslate" > < span class = "pre" > skyCover< / span > < / code > related to
a station id.< / p >
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< blockquote >
< div > < p > < strong > Note< / strong > : The way the data responses are returned, we recieve many
< code class = "docutils literal notranslate" > < span class = "pre" > skyCover< / span > < / code > entries for each station ID, but we only want to keep
track of the most recent one (first one returned).< / p >
< / div > < / blockquote >
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< p > After defining these variables, we are ready to start looping through
our response data. If the response is an entry of < code class = "docutils literal notranslate" > < span class = "pre" > skyCover< / span > < / code > , and this
is a new station id, then set the skyCover value in the obs dictionary.
If this is not a skyCover entry, then explicitly set the < code class = "docutils literal notranslate" > < span class = "pre" > timeObs< / span > < / code >
variable (because we have to manipulate it slightly), and dynamically
set all the remaining parameters.< / p >
< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "c1" > # define a dictionary and array that will be populated from our for loop below< / span >
< span class = "n" > obs< / span > < span class = "o" > =< / span > < span class = "nb" > dict< / span > < span class = "p" > ({< / span > < span class = "n" > params< / span > < span class = "p" > :< / span > < span class = "p" > []< / span > < span class = "k" > for< / span > < span class = "n" > params< / span > < span class = "ow" > in< / span > < span class = "n" > params< / span > < span class = "p" > })< / span >
< span class = "n" > station_names< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
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< span class = "n" > time_title< / span > < span class = "o" > =< / span > < span class = "s2" > " " < / span >
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< span class = "n" > i< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
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< span class = "c1" > # cycle through all the data in the response, in reverse order to get the most recent data first< / span >
< span class = "k" > for< / span > < span class = "n" > ob< / span > < span class = "ow" > in< / span > < span class = "nb" > reversed< / span > < span class = "p" > (< / span > < span class = "n" > response< / span > < span class = "p" > ):< / span >
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< span class = "n" > avail_params< / span > < span class = "o" > =< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getParameters< / span > < span class = "p" > ()< / span >
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< span class = "c1" > #print(avail_params)< / span >
< span class = "c1" > # if it has cloud information, we want the last of the 6 entries (most recent)< / span >
< span class = "k" > if< / span > < span class = "s2" > " skyCover" < / span > < span class = "ow" > in< / span > < span class = "n" > avail_params< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > i< / span > < span class = "o" > ==< / span > < span class = "mi" > 5< / span > < span class = "p" > :< / span >
< span class = "c1" > # store the associated cloud cover int for the skyCover string< / span >
< span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' skyCover' < / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > get_cloud_cover< / span > < span class = "p" > (< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getString< / span > < span class = "p" > (< / span > < span class = "s2" > " skyCover" < / span > < span class = "p" > )))< / span >
< span class = "n" > i< / span > < span class = "o" > =< / span > < span class = "n" > i< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span >
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< span class = "k" > elif< / span > < span class = "s2" > " stationName" < / span > < span class = "ow" > in< / span > < span class = "n" > avail_params< / span > < span class = "p" > :< / span >
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< span class = "c1" > # If we already have a record for this stationName, skip< / span >
< span class = "k" > if< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getString< / span > < span class = "p" > (< / span > < span class = "s1" > ' stationName' < / span > < span class = "p" > )< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > station_names< / span > < span class = "p" > :< / span >
< span class = "n" > station_names< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getString< / span > < span class = "p" > (< / span > < span class = "s1" > ' stationName' < / span > < span class = "p" > ))< / span >
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< span class = "n" > i< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
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< span class = "k" > if< / span > < span class = "n" > time_title< / span > < span class = "o" > ==< / span > < span class = "s2" > " " < / span > < span class = "p" > :< / span >
< span class = "n" > time_title< / span > < span class = "o" > =< / span > < span class = "nb" > str< / span > < span class = "p" > (< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getDataTime< / span > < span class = "p" > ())< / span >
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< span class = "k" > for< / span > < span class = "n" > param< / span > < span class = "ow" > in< / span > < span class = "n" > single_value_params< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > param< / span > < span class = "ow" > in< / span > < span class = "n" > avail_params< / span > < span class = "p" > :< / span >
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< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "n" > param< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getNumber< / span > < span class = "p" > (< / span > < span class = "n" > param< / span > < span class = "p" > ))< / span >
< span class = "k" > except< / span > < span class = "ne" > TypeError< / span > < span class = "p" > :< / span >
< span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "n" > param< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > ob< / span > < span class = "o" > .< / span > < span class = "n" > getString< / span > < span class = "p" > (< / span > < span class = "n" > param< / span > < span class = "p" > ))< / span >
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< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "n" > param< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< / pre > < / div >
< / div >
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< / section >
< section id = "populate-the-data-dictionary" >
< h4 > 5.3 Populate the Data Dictionary< a class = "headerlink" href = "#populate-the-data-dictionary" title = "Permalink to this heading" > < / a > < / h4 >
< p > Next grab the variables out of the obs dictionary we just populated,
attach correct units, (calculate their components, in the instance of
wind) and put them into a new dictionary that we will hand the plotting
function later.< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "n" > data< / span > < span class = "o" > =< / span > < span class = "nb" > dict< / span > < span class = "p" > ()< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' stid' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' stationName' < / span > < span class = "p" > ])< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' latitude' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' latitude' < / span > < span class = "p" > ])< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' longitude' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' longitude' < / span > < span class = "p" > ])< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' air_temperature' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' temperature' < / span > < span class = "p" > ],< / span > < span class = "n" > dtype< / span > < span class = "o" > =< / span > < span class = "nb" > float< / span > < span class = "p" > )< / span > < span class = "o" > *< / span > < span class = "n" > units< / span > < span class = "o" > .< / span > < span class = "n" > degC< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' dew_point_temperature' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' dewpoint' < / span > < span class = "p" > ],< / span > < span class = "n" > dtype< / span > < span class = "o" > =< / span > < span class = "nb" > float< / span > < span class = "p" > )< / span > < span class = "o" > *< / span > < span class = "n" > units< / span > < span class = "o" > .< / span > < span class = "n" > degC< / span >
< span class = "n" > direction< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' windDir' < / span > < span class = "p" > ])< / span >
< span class = "n" > direction< / span > < span class = "p" > [< / span > < span class = "n" > direction< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mf" > 9999.0< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s1" > ' nan' < / span >
< span class = "n" > u< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "o" > =< / span > < span class = "n" > wind_components< / span > < span class = "p" > (< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' windSpeed' < / span > < span class = "p" > ])< / span > < span class = "o" > *< / span > < span class = "n" > units< / span > < span class = "p" > (< / span > < span class = "s1" > ' knots' < / span > < span class = "p" > ),< / span >
< span class = "n" > direction< / span > < span class = "o" > *< / span > < span class = "n" > units< / span > < span class = "o" > .< / span > < span class = "n" > degree< / span > < span class = "p" > )< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' eastward_wind' < / span > < span class = "p" > ],< / span > < span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' northward_wind' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > u< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span >
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< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' cloud_coverage' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > np< / span > < span class = "o" > .< / span > < span class = "n" > array< / span > < span class = "p" > (< / span > < span class = "n" > obs< / span > < span class = "p" > [< / span > < span class = "s1" > ' skyCover' < / span > < span class = "p" > ])< / span >
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< / pre > < / div >
< / div >
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< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< / section >
< hr class = "docutils" / >
< section id = "plot-the-data" >
< h3 > 6 Plot the Data!< a class = "headerlink" href = "#plot-the-data" title = "Permalink to this heading" > < / a > < / h3 >
< p > Now we have all the data we need to create our plot! First we’
a projection and create our figure and axes.< / p >
< p > Next, we use Cartopy to add common features (land, ocean, lakes,
borders, etc) to help give us a more contextual map of the United States
to plot the METAR stations on. We create and add a title for our figure
as well.< / p >
< p > Additionally, we use < a class = "reference external" href = "https://unidata.github.io/MetPy/latest/api/generated/metpy.plots.StationPlotLayout.html" > MetPy’
StationPlotLayout< / a >
to instantiate a custom layout and define all the attributes we want
displayed. We need to then set the data dictionary (containing all of
our data values) on the custom layout so it knows what to draw.< / p >
< p > Finally, we display the plot!< / p >
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< div class = "highlight-ipython3 notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "n" > proj< / span > < span class = "o" > =< / span > < span class = "n" > ccrs< / span > < span class = "o" > .< / span > < span class = "n" > LambertConformal< / span > < span class = "p" > (< / span > < span class = "n" > central_longitude< / span > < span class = "o" > =-< / span > < span class = "mi" > 95< / span > < span class = "p" > ,< / span > < span class = "n" > central_latitude< / span > < span class = "o" > =< / span > < span class = "mi" > 35< / span > < span class = "p" > ,< / span >
< span class = "n" > standard_parallels< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "mi" > 35< / span > < span class = "p" > ])< / span >
< span class = "c1" > # Create the figure< / span >
< span class = "n" > fig< / span > < span class = "o" > =< / span > < span class = "n" > plt< / span > < span class = "o" > .< / span > < span class = "n" > figure< / span > < span class = "p" > (< / span > < span class = "n" > figsize< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "mi" > 20< / span > < span class = "p" > ,< / span > < span class = "mi" > 10< / span > < span class = "p" > ))< / span >
< span class = "n" > ax< / span > < span class = "o" > =< / span > < span class = "n" > fig< / span > < span class = "o" > .< / span > < span class = "n" > add_subplot< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "n" > projection< / span > < span class = "o" > =< / span > < span class = "n" > proj< / span > < span class = "p" > )< / span >
< span class = "c1" > # Add various map elements< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > LAND< / span > < span class = "p" > )< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > OCEAN< / span > < span class = "p" > )< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > LAKES< / span > < span class = "p" > )< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > COASTLINE< / span > < span class = "p" > )< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > STATES< / span > < span class = "p" > )< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > add_feature< / span > < span class = "p" > (< / span > < span class = "n" > cfeature< / span > < span class = "o" > .< / span > < span class = "n" > BORDERS< / span > < span class = "p" > ,< / span > < span class = "n" > linewidth< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > )< / span >
< span class = "c1" > # Set plot bounds< / span >
< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > set_extent< / span > < span class = "p" > ((< / span > < span class = "o" > -< / span > < span class = "mi" > 118< / span > < span class = "p" > ,< / span > < span class = "o" > -< / span > < span class = "mi" > 73< / span > < span class = "p" > ,< / span > < span class = "mi" > 23< / span > < span class = "p" > ,< / span > < span class = "mi" > 50< / span > < span class = "p" > ))< / span >
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< span class = "n" > ax< / span > < span class = "o" > .< / span > < span class = "n" > set_title< / span > < span class = "p" > (< / span > < span class = "n" > time_title< / span > < span class = "o" > +< / span > < span class = "s2" > " | METAR | " < / span > < span class = "o" > +< / span > < span class = "n" > edexServer< / span > < span class = "p" > )< / span >
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< span class = "c1" > # Winds, temps, dewpoint, station id< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > =< / span > < span class = "n" > StationPlotLayout< / span > < span class = "p" > ()< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > .< / span > < span class = "n" > add_barb< / span > < span class = "p" > (< / span > < span class = "s1" > ' eastward_wind' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' northward_wind' < / span > < span class = "p" > ,< / span > < span class = "n" > units< / span > < span class = "o" > =< / span > < span class = "s1" > ' knots' < / span > < span class = "p" > )< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > .< / span > < span class = "n" > add_value< / span > < span class = "p" > (< / span > < span class = "s1" > ' NW' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' air_temperature' < / span > < span class = "p" > ,< / span > < span class = "n" > fmt< / span > < span class = "o" > =< / span > < span class = "s1" > ' .0f' < / span > < span class = "p" > ,< / span > < span class = "n" > units< / span > < span class = "o" > =< / span > < span class = "s1" > ' degF' < / span > < span class = "p" > ,< / span > < span class = "n" > color< / span > < span class = "o" > =< / span > < span class = "s1" > ' darkred' < / span > < span class = "p" > )< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > .< / span > < span class = "n" > add_value< / span > < span class = "p" > (< / span > < span class = "s1" > ' SW' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' dew_point_temperature' < / span > < span class = "p" > ,< / span > < span class = "n" > fmt< / span > < span class = "o" > =< / span > < span class = "s1" > ' .0f' < / span > < span class = "p" > ,< / span > < span class = "n" > units< / span > < span class = "o" > =< / span > < span class = "s1" > ' degF' < / span > < span class = "p" > ,< / span > < span class = "n" > color< / span > < span class = "o" > =< / span > < span class = "s1" > ' darkgreen' < / span > < span class = "p" > )< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > .< / span > < span class = "n" > add_symbol< / span > < span class = "p" > (< / span > < span class = "s1" > ' C' < / span > < span class = "p" > ,< / span > < span class = "s1" > ' cloud_coverage' < / span > < span class = "p" > ,< / span > < span class = "n" > sky_cover< / span > < span class = "p" > )< / span >
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< span class = "n" > stationplot< / span > < span class = "o" > =< / span > < span class = "n" > StationPlot< / span > < span class = "p" > (< / span > < span class = "n" > ax< / span > < span class = "p" > ,< / span > < span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' longitude' < / span > < span class = "p" > ],< / span > < span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' latitude' < / span > < span class = "p" > ],< / span > < span class = "n" > clip_on< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span >
< span class = "n" > transform< / span > < span class = "o" > =< / span > < span class = "n" > ccrs< / span > < span class = "o" > .< / span > < span class = "n" > PlateCarree< / span > < span class = "p" > (),< / span > < span class = "n" > fontsize< / span > < span class = "o" > =< / span > < span class = "mi" > 10< / span > < span class = "p" > )< / span >
< span class = "n" > stationplot< / span > < span class = "o" > .< / span > < span class = "n" > plot_text< / span > < span class = "p" > ((< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ),< / span > < span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "s1" > ' stid' < / span > < span class = "p" > ])< / span >
< span class = "n" > custom_layout< / span > < span class = "o" > .< / span > < span class = "n" > plot< / span > < span class = "p" > (< / span > < span class = "n" > stationplot< / span > < span class = "p" > ,< / span > < span class = "n" > data< / span > < span class = "p" > )< / span >
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2020-09-09 20:02:35 +00:00
< span class = "n" > plt< / span > < span class = "o" > .< / span > < span class = "n" > show< / span > < span class = "p" > ()< / span >
< / pre > < / div >
< / div >
2022-06-03 19:57:40 +00:00
< img alt = "../../_images/METAR_Station_Plot_with_MetPy_26_0.png" src = "../../_images/METAR_Station_Plot_with_MetPy_26_0.png" / >
< p > < a class = "reference external" href = "https://unidata.github.io/python-awips/examples/generated/METAR_Station_Plot_with_MetPy.html" > Top< / a > < / p >
< / section >
< hr class = "docutils" / >
< section id = "see-also" >
< h3 > 7 See Also< a class = "headerlink" href = "#see-also" title = "Permalink to this heading" > < / a > < / h3 >
< ul class = "simple" >
< li > < p > < a class = "reference external" href = "https://www.aviationweather.gov/metar/help?page=plot" > Aviation Weather Center Static METAR Plots
Information< / a > < / p > < / li >
< / ul >
< section id = "related-notebooks" >
< h4 > 7.1 Related Notebooks< a class = "headerlink" href = "#related-notebooks" title = "Permalink to this heading" > < / a > < / h4 >
< ul class = "simple" >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/examples/generated/Grid_Levels_and_Parameters.html" > Grid Levels and
Parameters< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/examples/generated/Colored_Surface_Temperature_Plot.html" > Colored Surface Temperature
Plot< / a > < / p > < / li >
< / ul >
< / section >
< section id = "additional-documentation" >
< h4 > 7.2 Additional Documentation< a class = "headerlink" href = "#additional-documentation" title = "Permalink to this heading" > < / a > < / h4 >
< p > < strong > python-awips:< / strong > < / p >
< ul class = "simple" >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/api/DataAccessLayer.html#awips.dataaccess.DataAccessLayer.changeEDEXHost" > DataAccessLayer.changeEDEXHost()< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/api/DataAccessLayer.html#awips.dataaccess.DataAccessLayer.newDataRequest" > DataAccessLayer.newDataRequest()< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/api/IDataRequest.html" > IDataRequest< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "http://unidata.github.io/python-awips/api/PyGeometryData.html" > DataAccessLayer.getGeometryData< / a > < / p > < / li >
< / ul >
< p > < strong > datetime:< / strong > < / p >
< ul class = "simple" >
< li > < p > < a class = "reference external" href = "https://docs.python.org/3/library/datetime.html#datetime-objects" > datetime.datetime< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "https://docs.python.org/3/library/datetime.html?#datetime.datetime.utcnow" > datetime.utcnow()< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "https://docs.python.org/3/library/datetime.html#timedelta-objects" > datetime.timedelta< / a > < / p > < / li >
< li > < p > < a class = "reference external" href = "https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior" > datetime.strftime() and
datetime.strptime()< / a > < / p > < / li >
< / ul >
< p > < strong > numpy:< / strong > < / p >
< ul class = "simple" >
< li > < p > < a class = "reference external" href = "https://numpy.org/doc/stable/reference/generated/numpy.array.html" > np.array< / a > < / p > < / li >
< / ul >
< p > < strong > cartopy:< / strong > < / p >
< ul class = "simple" >
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