MESOSCALE DISCUSSION 0691
   NWS STORM PREDICTION CENTER NORMAN OK
   0600 PM CDT MON MAY 18 2015

   AREAS AFFECTED...PARTS OF THE PERMIAN BASIN AND TRANSPECOS REGION OF
   TX INTO SERN NM

   CONCERNING...SEVERE THUNDERSTORM WATCH 188...

   VALID 182300Z - 190100Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 188
   CONTINUES.

   SUMMARY...RISK FOR SEVERE WEATHER CONTINUES WITH ISOLATED SEVERE
   STORMS ACROSS PORTIONS OF THE WW AREA.

   DISCUSSION...LATEST RADAR LOOP SHOWS A LARGE/WELL-ORGANIZED
   SUPERCELL OVER ERN REEVES CO TX ATTM...WITH SEVERAL LEFT SPLITS FROM
   THIS STORM HEADED NWD INTO/ACROSS SERN NM ATTM.  THE PARENT
   SUPERCELL IS MOVING SLOWLY ESEWD...AND WILL CONTINUE TO POSE A RISK
   FOR PRIMARILY VERY LARGE HAIL.  

   OTHER SEVERE STORMS MAY DEVELOP ACROSS THE WW AREA THE REMAINDER OF
   THIS AFTERNOON AND INTO THIS EVENING / HINTS OF NEW DEVELOPMENT ARE
   EVIDENT S OF THE AFOREMENTIONED SUPERCELL/...AS A SELY LOW-LEVEL JET
   -- AND ASSOCIATED WARM ADVECTION -- IS PROGGED TO INCREASE MARKEDLY
   OVER THE NEXT FEW HOURS.

   ..GOSS.. 05/18/2015


   ATTN...WFO...SJT...LUB...MAF...ABQ...

   LAT...LON   29100349 30290373 30610422 31060411 32010426 33090452
               33620328 32310227 31880178 29750176 29590261 29100349