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Mesoscale Discussion 51
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   MESOSCALE DISCUSSION 0051
   NWS STORM PREDICTION CENTER NORMAN OK
   1134 AM CST FRI JAN 22 2016

   AREAS AFFECTED...ERN WV...WV PANHANDLE...NRN VA...AND MOST OF MD

   CONCERNING...HEAVY SNOW 

   VALID 221734Z - 222230Z

   SUMMARY...HEAVY SNOW IS EXPECTED TO BEGIN DURING THE NEXT HOUR OR
   TWO WITH SNOWFALL RATES IN EXCESS OF 1 INCH PER HOUR. THESE HEAVY
   SNOWFALL RATES WILL LIKELY PERSIST THROUGH THE EVENING.

   DISCUSSION...REGIONAL SURFACE OBSERVATIONS INDICATE MUCH OF ERN
   WV...NRN VA...AND MD HAS REMAINED MOSTLY PRECIPITATION FREE OVER THE
   PAST SEVERAL HOURS. SEVERAL OF THE MOST RECENT OBSERVATIONS HAVE
   REPORTED A QUICK TRANSITION FROM NO PRECIPITATION TO HEAVY
   SNOWFALL...INCLUDING EKN IN ERN WV AND SHD...CHO...AND OMH IN NWRN
   VA. GIVEN PRECIPITATION FREE REGION TO THE SW OF THE MD AREA IS NOT
   EXPECTED TO PERSIST NEWD...THIS TYPE OF QUICK TRANSITION FROM NO
   PRECIPITATION TO HEAVY SNOW IS EXPECTED ACROSS THE REMAINDER OF THE
   MD AREA DURING THE NEXT HOUR OR TWO. SNOWFALL RATES OVER 1 INCH PER
   HOUR ARE LIKELY WITH ISOLATED AREAS WITH RATES OF 2 INCHES PER HOUR.
   CONSTANT...AND LIKELY STRENGTHENING...LIFT WILL FAVOR THE
   PERSISTENCE OF THE HEAVY SNOWFALL THROUGH AT LEAST THIS EVENING.

   ..MOSIER.. 01/22/2016


   ATTN...WFO...PHI...AKQ...LWX...PBZ...RLX...

   LAT...LON   38357949 38467989 38678047 38838090 39268099 39538074
               39707999 39697908 39717787 39537708 39207646 38547568
               37727551 37567628 37877721 38207844 38357949 

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Page last modified: January 22, 2016
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