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Mesoscale Discussion 559
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   MESOSCALE DISCUSSION 0559
   NWS STORM PREDICTION CENTER NORMAN OK
   0702 AM CDT SUN MAY 11 2014

   AREAS AFFECTED...ERN NEB INTO SWRN IA

   CONCERNING...SEVERE THUNDERSTORM WATCH 140...

   VALID 111202Z - 111400Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 140
   CONTINUES.

   SUMMARY...THE SEVERE THREAT HAS WANED RECENTLY...AND ONLY SMALL HAIL
   APPEARS LIKELY AT THIS POINT. IF TRENDS CONTINUE...ADDITIONAL
   PORTIONS OF THE WATCH COULD BE CANCELLED EARLY.

   DISCUSSION...THE BAND OF SEVERE HAIL STORMS WHICH PEAKED IN
   INTENSITY A FEW HOURS AGO HAS NOW EVOLVED INTO A SMALL MCS PRODUCING
   HEAVY RAIN AND SMALL HAIL OVER ERN NEB. A CONTINUED FEED OF ELEVATED
   INSTABILITY INTO THIS SYSTEM WILL CAUSE IT TO PERSIST THIS
   MORNING...BUT ADDITIONAL SEVERE IS UNLIKELY UNTIL LATER IN THE DAY
   WHEN CONDITIONS DESTABILIZE SUBSTANTIALLY NEAR RESIDUAL OUTFLOW
   BOUNDARIES AND DIFFUSE WARM FRONTAL ZONE.

   ..JEWELL.. 05/11/2014


   ATTN...WFO...EAX...OAX...TOP...GID...

   LAT...LON   39889591 40349730 40479794 40869829 41219808 41459715
               41479613 41419556 41049511 40619498 40179507 39849544
               39889591 

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Page last modified: May 11, 2014
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