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A METHOD TO DETERMINE THE WIDTH OF A SNOW BAND ASSOCIATED WITH WINTER STORMS BY USING INFRARED SATELLITE DATA
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1989
[PDF-1.36 MB]
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Description:Significant snowfalls in the upper Midwest normally fall in relatively narrow bands ranging from 50-200 nautical miles (ran) in width, Sncw typically falls along the north and west edge of an organized area of precipitation. This area of precipitation is often associated with an upper level short wave. Prior to the availability of satellite data, the method most conmonly used to predict the spatial relationship between the snow band and various parameters such as the surface low (850 irb low, etc.) was a statistically derived technique using previous storms. The basic weakness of using a statistical method is that the variability of the forecast data must be considered. The greater the variability, the more useless the technique is in forecasting a future storm. What is needed is a fairly accurate method to pirpoint the expected location of the snow band within each individual storm. This information can then be used to extrapolate the expected snow band location.
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Rights Information:Public Domain
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