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Mesoscale Discussion 703
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   MESOSCALE DISCUSSION 0703
   NWS STORM PREDICTION CENTER NORMAN OK
   0715 PM CDT TUE MAY 19 2015

   AREAS AFFECTED...N TX AND ADJACENT SRN AND CENTRAL OK

   CONCERNING...TORNADO WATCH 189...190...

   VALID 200015Z - 200145Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 189...190...CONTINUES.

   SUMMARY...RISK FOR LARGE HAIL AND LOCALLY DAMAGING WINDS CONTINUES
   IN/NEAR WW 189 AND 190...ALONG WITH ISOLATED TORNADO POTENTIAL.

   DISCUSSION...BAND OF STRONG TO LOCALLY SEVERE/SUPERCELL STORMS
   EXTENDING FROM CENTRAL OK SWWD TO THE COLEMAN/BROWNWOOD TX VICINITY
   CONTINUES MOVING SLOWLY EWD ATTM.  THE STRONGEST STORMS ARE
   INDICATED FROM THE VICINITY OF THE ARBUCKLE MOUNTAINS IN OK SWD TO
   NEAR MWL /MINERAL WELLS/...WHERE SEVERAL LONG-LIVED SUPERCELLS
   CONTINUE.  ALONG WITH A FEW TORNADO REPORTS OVER THE PAST
   HOUR...REPORTS OF HAIL TO BASEBALL/GRAPEFRUIT SIZE HAVE BEEN
   RECEIVED AS WELL.

   SEVERE RISK SHOULD GRADUALLY DIMINISH LATER THIS EVENING...AS THE
   AIRMASS SLOWLY STABILIZES AND MID-LEVEL FLOW RELAXES SOMEWHAT. 
   HOWEVER...AN INCREASING LOW-LEVEL JET AND ASSOCIATED ZONE OF WARM
   ADVECTION SHOULD ALLOW WIDESPREAD CONVECTION TO PERSIST...WITH HEAVY
   RAIN/FLASH FLOOD RISK TO INCREASE LOCALLY ALONG WITH LINGERING
   SEVERE POTENTIAL.

   ..GOSS.. 05/20/2015


   ATTN...WFO...TSA...FWD...OUN...SJT...

   LAT...LON   35429623 34009679 32819739 31809883 32059961 33879916
               35469728 35429623 

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Page last modified: May 20, 2015
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