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    <dct:description>The Global Ensemble Forecast System (GEFS) is a weather forecast model made up of 21 separate forecasts, or ensemble members.  The National Centers for Environmental Prediction (NCEP) started the GEFS to address the nature of uncertainty in weather observations, which are used to initialize weather forecast models.  The proverbial butterfly flapping her wings can have a cascading effect leading to wind gusts thousands of miles away.  This extreme example illustrates that tiny, unnoticeable differences between reality and what is actually measured can, over time, lead to noticeable differences between what a weather model forecast predicts and reality itself.  The GEFS attempts to quantify the amount of uncertainty in a forecast by generating an ensemble of multiple forecasts, each minutely different, or perturbed, from the original observations.  With global coverage, GEFS is produced four times a day with weather forecasts going out to 16 days and a 6 hour temporal resolution.  This dataset has 2.5 degree horizontal resolution.</dct:description>
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        <dcat:keyword>atmosphere</dcat:keyword>
        <dcat:keyword>precipitation rate</dcat:keyword>
        <dcat:keyword>vorticity</dcat:keyword>
        <dcat:keyword>the noaa operational model archive and distribution system</dcat:keyword>
        <dcat:keyword>pressure thickness</dcat:keyword>
        <dcat:keyword>geopotential height</dcat:keyword>
        <dcat:keyword>evaporation</dcat:keyword>
        <dcat:keyword>sleet</dcat:keyword>
        <dcat:keyword>soils</dcat:keyword>
        <dcat:keyword>stratosphere</dcat:keyword>
        <dcat:keyword>sea level pressure</dcat:keyword>
        <dcat:keyword>national climatic data center</dcat:keyword>
        <dcat:keyword>nesdis</dcat:keyword>
        <dcat:keyword>noaa</dcat:keyword>
        <dcat:keyword>u.s. department of commerce</dcat:keyword>
        <dcat:keyword>boundary layer winds</dcat:keyword>
        <dcat:keyword>longwave radiation</dcat:keyword>
        <dcat:keyword>albedo</dcat:keyword>
        <dcat:keyword>humidity</dcat:keyword>
        <dcat:keyword>heat flux</dcat:keyword>
        <dcat:keyword>air quality</dcat:keyword>
        <dcat:keyword>vertical location</dcat:keyword>
        <dcat:keyword>atmospheric pressure</dcat:keyword>
        <dcat:keyword>doc/noaa/nesdis/ncdc</dcat:keyword>
        <dcat:keyword>tropopause</dcat:keyword>
        <dcat:keyword>altitude</dcat:keyword>
        <dcat:keyword>snow</dcat:keyword>
        <dcat:keyword>snow cover</dcat:keyword>
        <dcat:keyword>tropospheric ozone</dcat:keyword>
        <dcat:keyword>h : 250 km - &lt; 500 km or approximately 2.5 degrees - &lt; 5.0 degrees</dcat:keyword>
        <dcat:keyword>maximum/minimum temperature</dcat:keyword>
        <dcat:keyword>atmospheric radiation</dcat:keyword>
        <dcat:keyword>solar radiation</dcat:keyword>
        <dcat:keyword>atmospheric temperature</dcat:keyword>
        <dcat:keyword>wind profiles</dcat:keyword>
        <dcat:keyword>global</dcat:keyword>
        <dcat:keyword>sea ice concentration</dcat:keyword>
        <dcat:keyword>boundary layer</dcat:keyword>
        <dcat:keyword>precipitable water</dcat:keyword>
        <dcat:keyword>sea surface</dcat:keyword>
        <dcat:keyword>boundary layer temperature</dcat:keyword>
        <dcat:keyword>radiative flux</dcat:keyword>
        <dcat:keyword>snow water equivalent</dcat:keyword>
        <dcat:keyword>freezing rain</dcat:keyword>
        <dcat:keyword>vertical wind motion</dcat:keyword>
        <dcat:keyword>nomads</dcat:keyword>
        <dcat:keyword>terrestrial hydrosphere</dcat:keyword>
        <dcat:keyword>precipitation amount</dcat:keyword>
        <dcat:keyword>oceans</dcat:keyword>
        <dcat:keyword>skin temperature</dcat:keyword>
        <dcat:keyword>incoming solar radiation</dcat:keyword>
        <dcat:keyword>water vapor profiles</dcat:keyword>
        <dcat:keyword>sea surface temperature</dcat:keyword>
        <dcat:keyword>surface radiative properties</dcat:keyword>
        <dcat:keyword>rain</dcat:keyword>
        <dcat:keyword>geographic region</dcat:keyword>
        <dcat:keyword>land surface</dcat:keyword>
        <dcat:keyword>precipitation</dcat:keyword>
        <dcat:keyword>sea ice</dcat:keyword>
        <dcat:keyword>dew point temperature</dcat:keyword>
        <dcat:keyword>land use/land cover</dcat:keyword>
        <dcat:keyword>atmospheric winds</dcat:keyword>
        <dcat:keyword>water vapor</dcat:keyword>
        <dcat:keyword>soil moisture/water content</dcat:keyword>
        <dcat:keyword>soil temperature</dcat:keyword>
        <dcat:keyword>snow depth</dcat:keyword>
        <dcat:keyword>planetary boundary layer height</dcat:keyword>
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        <dcat:keyword>air temperature</dcat:keyword>
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        <dcat:keyword>atmospheric stability</dcat:keyword>
        <dcat:keyword>land cover</dcat:keyword>
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        <dcat:keyword>temperature profiles</dcat:keyword>
        <dcat:keyword>potential temperature</dcat:keyword>
        <dcat:keyword>upper level winds</dcat:keyword>
        <dcat:keyword>wind shear</dcat:keyword>
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        <dcat:keyword>troposphere</dcat:keyword>
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        <dcat:keyword>surface air temperature</dcat:keyword>
        <dcat:keyword>outgoing longwave radiation</dcat:keyword>
        <dcat:keyword>convection</dcat:keyword>
        <dcat:keyword>shortwave radiation</dcat:keyword>
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