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Mesoscale Discussion 572
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   MESOSCALE DISCUSSION 0572
   NWS STORM PREDICTION CENTER NORMAN OK
   0621 PM CDT SAT MAY 09 2015

   AREAS AFFECTED...N-CNTRL TX...BIG COUNTRY

   CONCERNING...TORNADO WATCH 150...

   VALID 092321Z - 100045Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 150 CONTINUES.

   SUMMARY...ALL SEVERE HAZARDS REMAIN POSSIBLE WITH DISCRETE
   SUPERCELLS THAT APPEAR TO BE EVOLVING INTO SMALL CLUSTERS. VERY
   LARGE HAIL SHOULD BE THE PRIMARY HAZARD ALONG WITH AN OCCASIONAL
   TORNADO OR TWO.

   DISCUSSION...AN INITIALLY INTENSE DRYLINE SUPERCELL OVER EASTLAND
   COUNTY WEAKENED AS IT PROGRESSED E OF THE DRYLINE. BEST LOW-LEVEL
   CONVERGENCE AND OVERLAP OF THERMAL/MOIST AXES REMAIN IN THIS
   CORRIDOR OF THE DRYLINE PER 23Z SURFACE ANALYSIS. WITH VISIBLE
   SATELLITE IMAGERY INDICATING AGITATED CU TO THE CONCHO
   VALLEY...CONTINUED UPSHEAR DEVELOPMENT APPEARS PROBABLE WITH PRECIP
   SEEDING LIMITING THE INTENSITY OF DOWNSHEAR STORMS. ALTHOUGH ALL
   SEVERE HAZARDS ARE CERTAINLY POSSIBLE...THE RISK FOR A
   LONG-LIVED/STRONG TORNADO MAY HAVE PEAKED.

   ..GRAMS.. 05/09/2015


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

   LAT...LON   33359870 33499840 33239795 32809763 32589744 32259749
               31849790 31789841 31629887 31449935 31499959 31859945
               32319907 32899895 33359870 

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Page last modified: May 10, 2015
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