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Mesoscale Discussion 573
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   MESOSCALE DISCUSSION 0573
   NWS STORM PREDICTION CENTER NORMAN OK
   0749 PM CDT SAT MAY 09 2015

   AREAS AFFECTED...RED RIVER TO N-CNTRL TX

   CONCERNING...TORNADO WATCH 150...151...

   VALID 100049Z - 100145Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 150...151...CONTINUES.

   SUMMARY...WITH WW 150 SCHEDULED TO EXPIRE AT 02Z...PORTIONS OF THE
   WW WILL NEED TO BE EITHER LOCALLY EXTENDED OR REPLACED WITH A NEW
   TORNADO WATCH. SPC IS COORDINATING WITH AFFECTED WFOS.

   DISCUSSION...SEVERE RISK SHOULD PERSIST INTO LATE EVENING ALONG THE
   LARGE-SCALE OUTFLOW NEAR THE RED RIVER AND WITH A
   SUPERCELL/STORM-SCALE BOW THAT HAS ACCELERATED E SW OF THE
   METROPLEX. 00Z FWD RAOB SAMPLED MINIMAL INHIBITION SUGGESTING A
   TORNADO THREAT WILL CONTINUE THROUGH ABOUT 04Z AS SURFACE-BASED
   INFLOW PARCELS ARE MAINTAINED AMIDST 0-1 KM SHEAR AROUND 30 KT.
   ADDITIONAL STORMS SHOULD FORM FARTHER SW LATER TONIGHT AS THE
   PACIFIC FRONT IMPINGES ON THE RETREATING DRYLINE OVER THE EDWARDS
   PLATEAU/CONCHO VALLEY. BUT THIS ACTIVITY WOULD BE MORE OF A LARGE
   HAIL THREAT.

   ..GRAMS.. 05/10/2015


   ATTN...WFO...SHV...TSA...FWD...OUN...

   LAT...LON   34619794 34669669 34449590 34069549 33769536 33319541
               32959551 32849552 32179659 31909746 31979820 32049864
               32339903 32569885 32579836 33249797 33949815 34369813
               34619794 

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Page last modified: May 10, 2015
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