NOAA/NCEP GFS 1-Degree Forecast Imagery

The forecast products are available every six hours out to 36 hours and every 12 hours from 36 to 72 hours. Products include 200mb heights and height anomalies, mean sea level and 500 mb heights, tropopause pressure, sea surface temperature and 850 mb heights, 200, 850, 925mb streamlines, 200-300 and 700-850mb layer potential vorticity 200-850mb shear, divergence at 200 and 850 mb, precipitation, relative humidity at 200, 500, 850 and 925mb and others.