MESOSCALE DISCUSSION 0916
   NWS STORM PREDICTION CENTER NORMAN OK
   0228 AM CDT WED MAY 14 2008
   
   AREAS AFFECTED...PORTIONS OF NORTH/CENTRAL TX INTO FAR SOUTHERN
   AR/NORTHERN LA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 315...
   
   VALID 140728Z - 140900Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 315
   CONTINUES.
   
   SEVERE THUNDERSTORM WATCH 315 CONTINUES UNTIL 09Z ACROSS PORTIONS OF
   CENTRAL/NORTH TX. WILL MONITOR FOR THE POSSIBILITY OF AN ADDITIONAL
   WATCH ACROSS NORTHEAST TX INTO NORTHERN LA...WHILE ALSO EVALUATING
   THE NEED FOR A POSSIBLE REPLACEMENT WATCH GIVEN THE 09Z SCHEDULED
   EXPIRATION OF WW 315.
   
   STRONG/OCCASIONALLY SEVERE THUNDERSTORMS CONTINUE ACROSS NORTH
   CENTRAL TX OVERNIGHT. IN THE EASTERN PORTION OF WW 315...LEADING
   CLUSTER OF STORMS HAS TAKEN ON MCV CHARACTERISTICS AS IT CONTINUES
   TO SPREAD EASTWARD ACROSS THE I-45 CORRIDOR AS OF 715Z. ALTHOUGH
   INSTABILITY/AIRMASS QUALITY SEEMINGLY WANE WITH EAST EXTENT...THERE
   IS A CONCERN FOR A HAIL/STRONG WIND GUST THREAT TO SPREAD EAST OF
   THE CURRENT WATCH ACROSS NORTHEAST TX INTO NORTHWEST LA...AS THE MCV
   MERGES WITH A SOUTHWARD-SAGGING LINE OF STORMS ACROSS SOUTHWEST AR.
   THIS AREA WILL BE MONITORED FOR THE POSSIBILITY OF AN ADDITIONAL
   SEVERE WATCH. OTHERWISE...HEAVY RAINFALL/POTENTIAL FLASH FLOODING
   WILL REMAIN A DISTINCT THREAT.
   
   ..GUYER.. 05/14/2008
   
   
   ATTN...WFO...LZK...SHV...HGX...FWD...EWX...SJT...
   
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