MESOSCALE DISCUSSION 1266
   NWS STORM PREDICTION CENTER NORMAN OK
   0559 PM CDT FRI JUN 17 2011
   
   AREAS AFFECTED...EASTERN CO/WESTERN KS/EXTREME SOUTHWEST NEB
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 492...
   
   VALID 172259Z - 180000Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 492
   CONTINUES.
   
   SEVERE TSTM WATCH 492 CONTINUES UNTIL 02Z...WITH CONTINUED POTENTIAL
   FOR LARGE HAIL/A TORNADO AND PERHAPS DAMAGING WINDS. AN ADDITIONAL
   WATCH MAY BE NEEDED SOON MAINLY FOR PORTIONS OF WESTERN KS.
   
   SEVERAL SCATTERED SUPERCELLS CONTINUE TO PROGRESS EASTWARD ACROSS
   EASTERN CO NEAR/25 MILES EITHER SIDE OF I-70 BETWEEN
   LIMON/BURLINGTON AS OF 23Z. WITH UPPER 40S/LOWER 50S F SURFACE
   DEWPOINTS AND VEERING WIND PROFILES...ENVIRONMENT REMAINS FAVORABLE
   FOR SUPERCELLS CAPABLE OF LARGE HAIL/PERHAPS A TORNADO. A GRADUALLY
   INCREASINGLY EASTERLY LOW LEVEL COMPONENT NORTH OF A COLD FRONT MAY
   ALLOW FOR STORM SUSTENANCE AND POTENTIAL UPSCALE GROWTH/FORWARD
   PROPAGATION INTO WESTERN KS THIS EVENING.
   
   ..GUYER.. 06/17/2011
   
   
   ATTN...WFO...DDC...GLD...PUB...BOU...
   
   LAT...LON   39450481 39660351 40150227 39880077 38550056 38040128
               37970432 39450481