Skip to main content
University of Wisconsin–Madison

Upper Air Observations

Upper Air data used to create these maps are provided by NOAA/NWS and NSF Unidata

NOTE - NCEP is planning to discontinue the NAM model as of October 6, 2026 to be replaced with the RRFS model. At that time, the NAM analysis maps will likely be replaced with the RRFS analyis

Most recent observations with analysis from the NCEP NAM model

100 Mb
150 Mb
200 Mb
250 Mb
300 Mb
500 Mb
700 Mb
850 Mb
925 Mb