The 48 hour forecast by the AVN model issued by the National
Centers for Environmental Prediction is presented in six panels.
500mb Geopotential Height, 12hr Height Change, & Vorticity
Sea Level Pressure & 1000-500mb Thickness
700mb Vertical Velocity & Precipitation
850mb Temperature, Humidity & Wind
200mb Streamlines & Isotachs
Total-Totals Index & Precipitable Water
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