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Mesoscale Discussion 736
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   MESOSCALE DISCUSSION 0736
   NWS STORM PREDICTION CENTER NORMAN OK
   1159 PM CDT SAT MAY 23 2015

   AREAS AFFECTED...TX MIDDLE RIO GRANDE RIVER VALLEY/HILL COUNTRY

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 240459Z - 240630Z

   PROBABILITY OF WATCH ISSUANCE...20 PERCENT

   SUMMARY...STORMS INCREASING ALONG THE MIDDLE RIO GRANDE VALLEY COULD
   POSE A SEVERE HAIL AND/OR MARGINAL WIND THREAT...BUT HEAVY RAINFALL
   SHOULD BE THE PRIMARY HAZARD.

   DISCUSSION...A BAND OF STORMS HAVE INCREASED ACROSS THE MIDDLE RIO
   GRANDE RIVER VALLEY IN AREAS NEAR/NORTHEAST OF THE DEL RIO AREA. IT
   SEEMS LIKELY THAT THE STORMS ARE OCCURRING NEAR/NORTH OF PRIOR
   OUTFLOW...AND SHOULD SPREAD EASTWARD GENERALLY ATOP A SURFACE COLD
   POOL CENTERED NEAR THE SAN ANTONIO AREA/ADJACENT HILL COUNTRY. WHILE
   SOME SEVERE HAIL/PERHAPS A WIND GUST WILL BE POSSIBLE...THE OVERALL
   SEVERE POTENTIAL SHOULD REMAIN MARGINAL WITH HEAVY RAINFALL THE
   PRIMARY IMPACT /OUTSIDE OF TORNADO WATCH 198/.

   ..GUYER/CORFIDI.. 05/24/2015


   ATTN...WFO...EWX...SJT...

   LAT...LON   29160078 30220007 30629914 30019858 28689973 29160078 

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Page last modified: May 24, 2015
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