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Mesoscale Discussion 0005
NWS Storm Prediction Center Norman OK
0749 AM CST Tue Jan 07 2020
Areas affected...eastern WV into western VA and western MD
Concerning...Heavy snow
Valid 071349Z - 071815Z
SUMMARY...Occasional heavy snow rates of 1 to 1.5 inches per hour
are likely from eastern West Virginia into western
Virginia/Maryland.
DISCUSSION...A compact but strong and progressive shortwave trough
will move toward the area today, providing strong cooling aloft and
drawing ample moisture northward ahead of a surface low. The low
will move generally eastward across VA, while a warm conveyor brings
moisture north and west around the low.
Forecast soundings show snow profiles across the higher terrain of
VA, WV and western MD today, where strong lift will persist for
several hours. Recent observations show 4-star snow along the WV/VA
border, and additional heavy snow rates are likely to develop
northeastward through midday, eventually reaching the western MD
Panhandle. In addition, cooling aloft may result in small elevated
MUCAPE values, adding to heavy snow burst potential.
..Jewell.. 01/07/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...LWX...RNK...PBZ...RLX...
LAT...LON 37358000 36978084 37288161 37428189 37928184 38688107
39318032 39697894 39697822 39427799 38927815 38207892
37358000
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