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Mesoscale Discussion 1021
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   MESOSCALE DISCUSSION 1021
   NWS STORM PREDICTION CENTER NORMAN OK
   0510 PM CDT MON JUN 16 2014

   AREAS AFFECTED...NERN IA / SWRN WI / SERN MN

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 162210Z - 162245Z

   PROBABILITY OF WATCH ISSUANCE...95 PERCENT

   SUMMARY...THE SEVERE THREAT IS INCREASING AND WILL LIKELY PROMPT A
   WATCH ISSUANCE IN THE SHORT TERM.

   DISCUSSION...THE AIRMASS IS GOING TO DESTABILIZE RAPIDLY AS A WARM
   FRONT AND RICH LOW-LEVEL MOISTURE ADVANCE NWD INTO THE REGION OVER
   THE NEXT COUPLE OF HOURS.  STRONG SHEAR AND MODERATE TO STRONG
   INSTABILITY WILL LIKELY RESULT IN AN ORGANIZED SEVERE STORM THREAT
   THIS EVENING AND LASTING INTO THE LATE NIGHT HOURS.  AN INITIAL
   THREAT FOR ISOLD LARGE HAIL/DMGG WINDS WILL LIKELY BEGIN TO AFFECT
   NERN IA AND SWRN WI DURING THE NEXT HOUR OR SO.

   ..SMITH/THOMPSON.. 06/16/2014


   ATTN...WFO...MKX...DVN...ARX...MPX...DMX...

   LAT...LON   42619239 43389323 44199287 44379170 44229027 43598973
               42868982 42639008 42619239 

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Page last modified: June 16, 2014
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