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Mesoscale Discussion 146
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   MESOSCALE DISCUSSION 0146
   NWS STORM PREDICTION CENTER NORMAN OK
   0923 PM CDT WED MAR 25 2015

   AREAS AFFECTED...SERN MO...NERN AR...EXTREME SRN IL...WRN KY AND
   NWRN TN

   CONCERNING...SEVERE THUNDERSTORM WATCH 7...

   VALID 260223Z - 260400Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 7 CONTINUES.

   SUMMARY...THREAT FOR ISOLATED DAMAGING WIND AND HAIL WILL PERSIST
   MAINLY FROM SERN MO THROUGH SRN IL...NERN AR AND A SMALL PART OF WRN
   KY THROUGH 04Z. ACTIVITY WILL EVENTUALLY DEVELOP FARTHER SOUTH INTO
   WRN KY AND NWRN TN AFTER 04Z.

   DISCUSSION...AT 02Z A COLD FRONT EXTENDED FROM WRN KY...SERN
   MO...NCNTRL AND NWRN AR MOVING SLOWLY SWD. THE ATMOSPHERE SOUTH OF
   THIS BOUNDARY REMAINS MARGINALLY UNSTABLE...AND CONVECTIVE
   INHIBITION HAS INCREASED. GIVEN THE HOSTILE THERMODYNAMIC
   ENVIRONMENT IN THE WARM SECTOR...STORM DEVELOPMENT WILL LIKELY
   REMAIN CONFINED TO ALONG AND NORTH OF THE COLD FRONT. DESPITE THE
   ELEVATED NATURE OF THE CONVECTION...RADAR CONTINUES TO SHOW
   ORGANIZED STRUCTURES. A BOWING SEGMENT WAS INDICATED OVER SERN MO
   AND UPDRAFT ROTATION WAS EVIDENT WITH CELLS OVER NRN AR AND SRN IL
   WHERE EFFECTIVE BULK SHEAR REMAINS IN EXCESS OF 40 KT IN VICINITY OF
   THE FRONT.

   ..DIAL.. 03/26/2015


   ATTN...WFO...OHX...PAH...MEG...LSX...

   LAT...LON   37079087 37678955 37798813 37098797 36338809 36178912
               36009065 36479105 37079087 

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Page last modified: March 26, 2015
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