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Mesoscale Discussion 682
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   MESOSCALE DISCUSSION 0682
   NWS STORM PREDICTION CENTER NORMAN OK
   0148 AM CDT SUN MAY 17 2015

   AREAS AFFECTED...PORTIONS OF NORTH TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 186...

   VALID 170648Z - 170745Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 186
   CONTINUES.

   SUMMARY...SOME GUSTY WINDS AND SMALL HAIL MAY BE POSSIBLE THE NEXT
   HOUR OR TWO...BUT THE OVERALL SEVERE THREAT HAS GREATLY DIMINISHED.
   A NEW WATCH IS NOT EXPECTED DOWNSTREAM OF WW 186.

   DISCUSSION...THUNDERSTORMS CONTINUE TO WEAKEN AS THE BOUNDARY LAYER
   BECOMES INCREASINGLY STABLE ACROSS NORTH TX. WHILE THERE IS STILL
   SOME INSTABILITY AND ADEQUATE MIDLEVEL LAPSE RATES WITH ABUNDANT
   SHEAR PRESENT TO SUPPORT CONTINUED THUNDERSTORM ACTIVITY...THE
   SEVERE THREAT HAS GREATLY DIMINISHED. THUNDERSTORMS WILL CONTINUE TO
   SLOWLY TRACK EAST/NORTHEAST INTO THE EARLY MORNING HOURS...BUT HEAVY
   RAIN AND LIGHTNING WILL BE THE MAIN THREATS. SOME OF THE STRONGEST
   CELLS MAY CONTINUE TO PRODUCE SOME GUSTY WINDS AND SMALL HAIL FOR
   THE NEXT 1-2 HOURS...BUT OTHERWISE A DECREASE IN INTENSITY IS
   EXPECTED. AS SUCH...A NEW WATCH IS NOT EXPECTED DOWNSTREAM OF WW
   186.

   ..LEITMAN.. 05/17/2015


   ATTN...WFO...SHV...FWD...OUN...SJT...

   LAT...LON   33779674 33759602 33109550 32169555 31559631 31519735
               31599917 32449856 32809778 33339716 33779674 

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Page last modified: May 17, 2015
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