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Mesoscale Discussion 997
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   MESOSCALE DISCUSSION 0997
   NWS STORM PREDICTION CENTER NORMAN OK
   0740 PM CDT FRI JUN 12 2015

   AREAS AFFECTED...+WRN AND CENTRAL OH/EXTREME PORTIONS OF NERN WV AND
   WRN MD PANHANDLE

   CONCERNING...SEVERE THUNDERSTORM WATCH 290...

   VALID 130040Z - 130115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 290
   CONTINUES.

   SUMMARY...THE POTENTIAL FOR ADDITIONAL DAMAGING WINDS WILL BE
   POSSIBLE THROUGH 01-0130Z IN FAR NERN WV /PRESTON AND TUCKER
   COUNTIES/ AND THE WRN MD PANHANDLE IN GARRETT COUNTY. 
   OTHERWISE...THE SEVERE WEATHER THREAT WILL CONTINUE TO DIMINISH IN
   WRN AND CENTRAL OH.

   DISCUSSION...AT 0030Z...MOSAIC RADAR IMAGERY INDICATED THE SRN
   EXTENT OF A BROKEN BAND OF STORMS MOVING E/SEWD ACROSS PA EXTENDED
   INTO NORTHEAST WV.  A RESIDUAL MODERATELY UNSTABLE AIR MASS
   DOWNSTREAM OF THESE STORMS ACROSS THE FAR SERN PORTION OF WW 290
   WILL CONTINUE TO SUPPORT A THREAT FOR STRONG TO SEVERE STORMS UNTIL
   01-0130Z.  HOWEVER...WEAK DEEP LAYER SHEAR AND SLOWER E/SEWD STORM
   MOTION SHOULD BEGIN TO LIMIT THIS THREAT...SUCH THAT THIS PORTION OF
   WW 290 WILL BE ALLOWED TO EXPIRE AT 01Z.

   FARTHER WEST...THE ONSET OF NOCTURNAL COOLING/BOUNDARY LAYER
   STABILIZATION ACROSS THE WRN PORTIONS OF WW 290 /WRN AND CENTRAL OH/
   AND THE PRESENCE OF WEAK BULK SHEAR SUGGESTS THE OVERALL SEVERE
   WEATHER WILL CONTINUE TO DIMINISH.  THIS PORTION OF WW 290 WILL ALSO
   BE ALLOWED TO EXPIRE AT 01Z.

   ..PETERS.. 06/13/2015


   ATTN...WFO...CTP...LWX...PBZ...RLX...CLE...ILN...IWX...IND...

   LAT...LON   40038481 40578430 40908337 40538224 39838211 39698160
               39598093 39468026 39807973 39707897 38967931 39047971
               39338012 39448071 39578159 39488210 39248402 39278482
               40038481 

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Page last modified: June 13, 2015
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