ZCZC SPCSWOMCD ALL
ACUS11 KWNS 240459 
SPC MCD 240459 
TXZ000-240630-

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

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

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

LAT...LON   29160078 30220007 30629914 30019858 28689973 29160078 

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