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Forecasting and Simulating Severe Weather
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Online 4.1: Uncertainties in Numerical Prediction Models
300 mb Heights and Wind -
Each of the maps in this animation is a forecast valid on 02/04/2007. The maps depict the forecast height of the 300 mb surface over North America. As the animation progresses notice the subtle changes in the forecast from day to day. Recall that lower heights are correlated with colder surface temperatures. Actual conditions on 2/04/2007 (not shown in the animation) included an area of extremely cold air over Southern Canada and the Northern Plains of the United States.
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