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NAM Initial and Forecast Winds Aloft Images

These products are from the NAM 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

Forecast Winds Aloft (+06 hour)

Forecast Winds Aloft (+12 hour)

NCEP Winds Aloft Forecasts for Alaska - Model based upper level winds produced by NCEP in a text format.