Forecast map generated from latest NAM 12km model .
This Wind Forecast map displays forecasted surface winds at
specific times. Please refer to the time and date in the upper right corner
of the map. Indicated time is IL- chicago area local time. The vectors (arrows)
represent prevailing wind direction. A wind vector pointing down represents
wind blowing from north to south, and is commonly referred as a "north
wind". Please refer to color legend below for indication of wind velocity.
This map is produced by the WeatherFlow Forecast Modeling System
and contains proprietary data and technology protected by all Copy Right