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Mesoscale Discussion 218
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   MESOSCALE DISCUSSION 0218
   NWS STORM PREDICTION CENTER NORMAN OK
   0543 PM CDT FRI MAR 28 2014

   AREAS AFFECTED...SWRN TN...NRN MS

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 282243Z - 290045Z

   PROBABILITY OF WATCH ISSUANCE...60 PERCENT

   SUMMARY...A FEW STRONG TO SEVERE STORMS ARE EXPECTED TO PERSIST E OF
   WW 37...WITH A WIND OR HAIL THREAT. A SMALL WATCH COULD BE REQUIRED.

   DISCUSSION...A CLUSTER OF STORMS PERSIST ACROSS ERN AR NEAR THE
   SURFACE FRONT...AND CONTINUE TO GRADUALLY MOVE EWD NEAR THE MS
   RIVER. FAVORABLE FORCING WITH THE UPPER TROUGH WILL PERSIST AS SWLY
   LOW-LEVEL FLOW HELPS TO BRING UNSTABLE AIR NEWD INTO FAR SWRN TN AND
   NRN MS. A 21Z SOUNDING NEAR SHAW MS SHOWED STEEP LAPSE RATES THROUGH
   A DEEP LAYER WHICH WILL AID IN UPDRAFT STRENGTH. LONG HODOGRAPHS AND
   SUFFICIENT INSTABILITY SHOULD AID THE EXISTING STORMS...WITH A
   SEVERE THREAT POSSIBLY SPREADING E OF WW 37.

   ..JEWELL/CORFIDI.. 03/28/2014


   ATTN...WFO...MEG...JAN...LZK...

   LAT...LON   33289171 34409097 34859058 35408906 35368818 34788822
               33748833 33368909 33179041 33289171 

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