MESOSCALE DISCUSSION 0491
   NWS STORM PREDICTION CENTER NORMAN OK
   0920 PM CDT THU APR 16 2009
   
   AREAS AFFECTED...TX PNHDL
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 155...
   
   VALID 170220Z - 170315Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 155
   CONTINUES.
   
   THE POTENTIAL FOR SOME SEVERE HAIL MAY CONTINUE ACROSS SRN PORTION
   OF WW AREA BEYOND 03Z.  THIS THREAT IS EXPECTED TO REMAIN RELATIVELY
   ISOLATED AND AN ADDITIONAL WW IS NOT ANTICIPATED.
   
   STRONG TO SEVERE TSTMS ARE IN PROGRESS AS OF 0210Z OVER THE TX SOUTH
   PLAINS INTO PERMIAN BASIN WITH CONSIDERABLY WEAKER ACTIVITY ONGOING
   OVER THE TX AND OK PNHDLS.  A ZONE OF DEEP-LAYER ASCENT WILL
   CONTINUE TO OVERSPREAD THE REGION FOR THE NEXT SEVERAL HOURS IN
   ASSOCIATION WITH SHORT WAVE TROUGH LIFTING NNEWD THROUGH ERN NM AND
   WRN TX.  HOWEVER...THE GREATEST SEVERE WEATHER THREAT IS EXPECTED TO
   REMAIN TO THE S WITHIN AREA OF RICHER LOW-LEVEL MOISTURE RETURN. 
   NONETHELESS...THE POTENTIAL FOR SOME HAIL WILL EXIST WITH ANY
   STRONGER STORMS...MAINLY ACROSS THE SRN TX PNHDL.
   
   ..MEAD.. 04/17/2009
   
   
   ATTN...WFO...OUN...AMA...
   
   LAT...LON   34800292 36960298 36959991 34789998 34800292