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Mesoscale Discussion 542
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   MESOSCALE DISCUSSION 0542
   NWS STORM PREDICTION CENTER NORMAN OK
   0716 PM CDT SAT APR 23 2011
   
   AREAS AFFECTED...CNTRL WV...WV PANHANDLE...MD PANHANDLE...NW VA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 188...
   
   VALID 240016Z - 240115Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 188
   CONTINUES.
   
   RECENT RADAR TRENDS INDICATE A WEAKENING OF EWD PROGRESSING MCS AS
   IT APPROACHES THE WV PANHANDLE...THOUGH SOME POTENTIAL MAY STILL
   EXIST FOR A FEW STRONG WIND GUSTS. WITH THE LOSS OF DIABATIC
   HEATING...THE DOWNSTREAM THERMODYNAMIC ENVIRONMENT SHOULD BECOME
   LESS FAVORABLE FOR PRODUCING DMGG WIND GUSTS WITH EWD PROGRESSION.
   SHORT-TERM MODEL GUIDANCE /INCLUDING WRF-NMM AND 23/22Z RUN OF THE
   EXPERIMENTAL WRF-HRRR/ ALSO INDICATE CONVECTION SHOULD CONTINUE TO
   WEAKEN. THUS...A NEW WW WILL NOT BE NEEDED DOWNSTREAM FROM EXISTING
   SVR WW 188...WHICH IS SET TO EXPIRE AT 0100Z.
   
   ..ROGERS.. 04/24/2011
   
   
   ATTN...WFO...LWX...PBZ...RLX...
   
   LAT...LON   38477920 38427993 38448054 38778095 39258097 39618037
               39637939 39607860 39477805 39167787 38807814 38597834
               38587838 38477920 
   
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