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Mesoscale Discussion 650
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   MESOSCALE DISCUSSION 0650
   NWS STORM PREDICTION CENTER NORMAN OK
   1134 PM CDT WED APR 27 2011
   
   AREAS AFFECTED...ERN KY...SERN OH...FAR SWRN VA AND SWRN-NRN WV
   
   CONCERNING...TORNADO WATCH 239...
   
   VALID 280434Z - 280500Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 239 CONTINUES.
   
   ERN EXTENT OF WW 239 /ACROSS FAR SWRN VA AND SRN-ERN WV/ IS BEING
   COORDINATED AT THIS TIME TO BE INCLUDED IN A NEW WATCH. 
   MEANWHILE...THE REST OF WW 239 WILL BE ALLOWED TO EXPIRE AS
   SCHEDULED AT 05Z.
   
   LATE EVENING SURFACE ANALYSIS SHOWED A COLD FRONT CONTINUING TO
   ADVANCE EWD ACROSS KY AS THE ATTENDANT AREA OF LOW PRESSURE TRACKS
   FROM CENTRAL INTO NERN IND.  WSR-88D VWP SHOWED LOW LEVEL WINDS HAD
   VEERED TO SWLY AT JKL.  WRN EXTENT OF GREATER THETAE EXTENDED FROM
   SWRN VA THROUGH SRN-ERN WV.  THIS COMBINED WITH FAVORABLE DEEP LAYER
   AND LOW LEVEL SHEAR WILL MAINTAIN A THREAT FOR EMBEDDED TORNADOES AS
   65-75 KT SLY LLJ TRANSLATES ENEWD ACROSS THIS REGION TONIGHT.
   
   ..PETERS.. 04/28/2011
   
   
   ATTN...WFO...LWX...RNK...PBZ...RLX...MRX...JKL...
   
   LAT...LON   37798196 38908106 39328047 39337983 38917948 38108007
               37228138 36648168 36628326 37798196 
   
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Page last modified: April 28, 2011
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