MESOSCALE DISCUSSION 0617
   NWS STORM PREDICTION CENTER NORMAN OK
   1036 PM CDT TUE MAY 18 2010
   
   AREAS AFFECTED...TX/OK PANHANDLES AND SOUTHWEST KS/WESTERN OK
   
   CONCERNING...TORNADO WATCH 186...
   
   VALID 190336Z - 190430Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 186 CONTINUES.
   
   WITH TORNADO WATCH 186 SCHEDULED TO EXPIRE AT 04Z...A REPLACEMENT
   WATCH WILL BE ISSUED SHORTLY FOR PORTIONS OF THE TX/OK PANHANDLES
   AND WESTERN OK/PERHAPS SOUTHWEST KS.
   
   MULTIPLE SUPERCELLS WITH HISTORY OF TORNADOES CONTINUE TO OCCUR
   ACROSS THE NORTHERN/EASTERN PORTIONS OF THE TX PANHANDLE /NEAR
   STRATFORD AND CANADIAN AS OF 0330Z ...AS WELL AS ANOTHER POTENTIALLY
   TORNADIC SUPERCELL ACROSS FAR SOUTHWEST KS JUST NORTH OF LIBERAL.
   WHILE NEAR SURFACE INHIBITION WILL CONTINUE TO INCREASE...A
   STRENGTHENING LOW LEVEL JET /WELL NOTED PER REGIONAL WSR-88D DERIVED
   WINDS/ IS CONTRIBUTING TO ENLARGED LOW LEVEL HODOGRAPHS. AS
   SUCH...LARGE HAIL AND AT LEAST BRIEF TORNADOES WILL REMAIN POSSIBLE
   OVER THE NEXT COUPLE OF HOURS.
   
   ..GUYER.. 05/19/2010
   
   
   ATTN...WFO...OUN...DDC...AMA...
   
   LAT...LON   35030033 35050150 35450282 36740221 37320122 37410010
               36109900 35139909 35030033