MESOSCALE DISCUSSION 1116
   NWS STORM PREDICTION CENTER NORMAN OK
   1007 PM CDT MON JUN 17 2013

   AREAS AFFECTED...NRN CONCHO VALLEY OF W-CNTRL TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 323...

   VALID 180307Z - 180400Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 323
   CONTINUES.

   SUMMARY...DMGG WIND THREAT APPEARS TO BE GREATEST WITHIN A NARROW
   CORRIDOR AHEAD OF A SMALL BOWING SEGMENT APPROACHING W-CNTRL TX.
   SHOULD CONVECTIVE TRENDS PERSIST...WW 323 MAY NEED TO BE EXPANDED
   SLIGHTLY SWD AND EXTENDED IN TIME.

   DISCUSSION...LATEST RADAR TRENDS SHOW SMALL BOWING SEGMENT EVOLVING
   OUT OF CONVECTION ACROSS BIG SPRING...WITH SEVERAL SVR WIND GUSTS
   REPORTED. ADDITIONAL CLUSTERS OF TSTMS HAVE BEEN ONGOING AHEAD OF
   THIS FEATURE...WITH AN ATTENDANT OUTFLOW BOUNDARY SLOWLY PUSHING
   SWD. IT IS UNCLEAR IF THIS CONVECTION DEVELOPING AHEAD OF THE BOWING
   SEGMENT WILL ADVERSELY AFFECT DMGG WIND POTENTIAL WITH THE AIR MASS
   BECOMING WORKED OVER. HOWEVER...IF CONVECTIVE TRENDS PERSIST...THEN
   PORTIONS OF WW 323 MAY NEED TO BE EXPANDED SLIGHTLY SWD...AND
   EXTENDED IN TIME THROUGH 05-06Z.

   ..ROGERS/DARROW.. 06/18/2013


   ATTN...WFO...SJT...MAF...

   LAT...LON   31069929 31010006 31240094 31730157 32210173 32560173
               32760158 32840115 32199978 31939942 31419900 31069929