Comparison of a Thunderstorm Peak Wind Gust Forecast Technique with Reported Values
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During Florida summers, afternoon thunderstorms are an everyday occurrence. At times, wind gusts produced by these thunderstorms can exceed 50 knots and be a danger to people and property. Several methods to predict these wind gusts have been used over the years. Two methods known as T1 and T2 that have been in use since the 1970’s utilize rawinsonde data plotted on a Skew-T Log P diagram. For this study T1 and T2 gust prediction calculations were made for nine wind events in Florida. The predicted gust values were compared to reported gust values to determine if there was a significant difference in the accuracy of the T1 and T2 methods. The T1 method proved to be a more accurate predictor in 8 of the 9 events.