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The possible influence of an existing snow field on the track of a surface low pressure center - a case study
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1989
[PDF-2.35 MB]
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Description:The forecaster, in making a forecast, is always interested in the position and track of the surface low pressure center (SLPC). It is one of the key elements in determining precipitation type and, more importantly, where the greatest amount of precipitation, be it rain Or snow, will fall (Goree and Younkin, 1966; and Weber, 1978). Many atmospheric factors play a role, either directly or indirectly, in the eventual SLPC track. Some obvious or well known ones include the forecast position and orientation of the 500 mb low or trough, the location and track of the 500 mb height fall center (HFC), the location of the jet stream, and the strength and orientation of the low level thermal pattern to name a few. Another possible, but less obvious, factor is the influence of an existing snow field.
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Rights Information:Public domain
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