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Greetings! The field you're looking for is "Temperature_height_above_ground", which looks like it currently has levels of 2m, 80m, and 100m. For winds, you're looking for "u-component_of_wind_height_above_ground" and "v-component_of_wind_height_above_ground". These are available currently for heights "10.0 20.0 30.0 40.0 50.0 80.0 100.0 m". I'm guessing the reason for the differing heights is so the lowest level correspond to normal observing level. I see these currently listed here: https://thredds.ucar.edu/thredds/ncss/grib/NCEP/GFS/Global_0p5deg/Best/dataset.html (or in any of the other dataset listings.) There's no specific documentation using these specifically from Siphon, but using the field/variable names I listed above you should be able to use just as in any other Siphon example. Hope this helps, Ryan > Hi > > I'm using the endpoint: > *http://thredds.ucar.edu/thredds/catalog/grib/NCEP/GFS/Global_0p5deg/catalog.xml?dataset=grib/NCEP/GFS/Global_0p5deg/Best > <http://thredds.ucar.edu/thredds/catalog/grib/NCEP/GFS/Global_0p5deg/catalog.xml?dataset=grib/NCEP/GFS/Global_0p5deg/Best>* > > and the fields: > - Temperature_surface > - Temperature_isobaric, but I need *temperature 2 m above ground*. In grib2 > there is the layer, but in the *dataset=grib/NCEP/GFS/Global_0p5deg/Best *I > didn't find this field. > > Is there documentation about the fields temperature 2 m above ground > and wind speed 2 m above ground using Siphon lib? Ticket Details =================== Ticket ID: LTI-515661 Department: Support Python Priority: Low Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.