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Mesoscale Discussion 1997
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   MESOSCALE DISCUSSION 1997
   NWS STORM PREDICTION CENTER NORMAN OK
   0648 PM CST WED DEC 24 2014

   AREAS AFFECTED...PORTIONS OF ERN OH...WRN PA...EXTREME NRN WV...LE

   CONCERNING...SEVERE THUNDERSTORM WATCH 564...

   VALID 250048Z - 250145Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 564
   CONTINUES.

   SUMMARY...THE THREAT OF SEVERE WEATHER WILL REMAIN BRIEF/ISOLATED
   OVER VALID PORTIONS OF WW AREA THROUGH 02-03Z. A DOWNSTREAM WW IS
   NOT ANTICIPATED.

   DISCUSSION...A BROKEN LINE OF LOW-TOPPED CONVECTION EXTENDED FROM
   JUST EAST OF LAKE COUNTY OH SOUTH TO BROOK COUNTY OH AND CONTINUES
   TO MOVE EAST AT AROUND 40 KTS. DESPITE VERY LITTLE INSTABILITY
   /MUCAPE OF AROUND 100 J/KG/...AT LEAST SOME POTENTIAL FOR A
   STRONG/MARGINALLY SEVERE GUST WILL EXIST IN THE STRONGER CELLS WITH
   DOWNWARD MOMENTUM TRANSPORT OF STRONG LOW-LEVEL BACKGROUND WINDS /55
   KT AT 1 KM AGL SAMPLED BY PBZ VWP/. 

   AS THE ALREADY MEAGER INSTABILITY CONTINUES TO DIMINISH...THE
   OVERALL THREAT WILL CONTINUE TO DIMINISH AND AN ADDITIONAL
   DOWNSTREAM WW IS NOT ANTICIPATED.

   ..BUNTING.. 12/25/2014


   ATTN...WFO...PBZ...RLX...CLE...

   LAT...LON   41908160 41968096 42028018 41917985 41547958 41017961
               40297977 40007994 39668040 39488071 39358098 39688095
               40988128 41908160 

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Page last modified: December 25, 2014
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