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Mesoscale Discussion 750
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   MESOSCALE DISCUSSION 0750
   NWS STORM PREDICTION CENTER NORMAN OK
   0757 PM CDT SUN MAY 24 2015

   AREAS AFFECTED...OK/TX PANHANDLES AND FAR NORTHWEST OK

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 250057Z - 250230Z

   PROBABILITY OF WATCH ISSUANCE...40 PERCENT

   SUMMARY...TO THE SOUTH OF TORNADO WATCH 206 ACROSS EASTERN
   CO/WESTERN KS...MONITORING FOR AN INCREASING SEVERE RISK ACROSS
   PORTIONS OF THE OK/TX PANHANDLES INTO NORTHWEST OK.

   DISCUSSION...WHILE MUCH OF THE CU FIELD SINCE AFTERNOON HAS LARGELY
   WANED ACROSS THE TX PANHANDLE...VISIBLE SATELLITE IMAGERY OVER THE
   PAST HOUR REFLECTS A SUSTENANCE/TOWERING OF THE CU FIELD
   PARTICULARLY NEAR THE GUYMON OK/PERRYTON TX VICINITIES IN THE OK
   PANHANDLE/NORTHEAST TX PANHANDLE...WITH SUBSEQUENT STORM DEVELOPMENT
   INTO THE LIBERAL KS VICINITY. NEAR-SURFACE CONVERGENCE HAS TENDED TO
   INCREASE WITHIN THIS CORRIDOR WITH LOWER 60S F SURFACE DEWPOINTS
   PREVALENT TO THE EAST/SOUTHEAST OF A DRYLINE WHERE THIS DEVELOPMENT
   IS OCCURRING. CONTINUED INCREASING CONVECTIVE TRENDS COULD PROMPT AN
   ADDITIONAL WATCH ISSUANCE FOR A LARGE HAIL/SOME TORNADO
   RISK...PARTICULARLY GIVEN THAT A SOUTHERLY LOW-LEVEL JET WILL BE
   INCREASING THROUGH MID/LATE EVENING WITH A RELATED INCREASE IN SRH.

   ..GUYER/CORFIDI.. 05/25/2015


   ATTN...WFO...OUN...AMA...

   LAT...LON   36860158 36819987 36079967 35500028 35920117 36860158 

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Page last modified: May 25, 2015
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