Upper Level Wind Images

ETA Initial and Forecast Winds Aloft Images
These products are from the ETA atmospheric model at levels which are significant to the Aviation Community. The initial images are valid at either 00 or 12 UTC and the forecast maps are valid +06 or +12 hours from those initial times.

• Initial Geopotential Heights and Winds
850 mb   700 mb   500 mb   300 mb   200 mb  

• Forecast Winds Aloft

+06 Hour Forecasts:  6,000 ft   9,000 ft   12,000 ft   14,000 ft  
                               18,000 ft  24,000 ft  30,000 ft  34,000 ft 

+12 Hour Forecasts:  6,000 ft   9,000 ft   12,000 ft   14,000 ft  
                                18,000 ft  24,000 ft  30,000 ft  34,000 ft