In this blog I thought I would give you a quick insight into how most forecasts are compiled. This last image is from a very popular model run called the Global Forecasting System. Basically, this is a mathematical model run 4 times a day that predicts up to 16 days in advance. It uses current weather conditions as input into mathematical models of the atmosphere to predict the weather in advance.
This particular image is a surface map snapshot of our latest predicted model run for Tuesday. Lot of things going on here but you can see that a storm is likely to impact our area and the precipitation looks to be snow because the predicted temperatures would be below 32 degrees. Certainly not the only basis for forecasts but this gives you an little look at how the awesome weathermen do it!!!!
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