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Mesoscale Discussion 650
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   MESOSCALE DISCUSSION 0650
   NWS STORM PREDICTION CENTER NORMAN OK
   1139 PM CDT WED MAY 21 2014

   AREAS AFFECTED...EAST-CENTRAL/SOUTHEAST IL AND SOUTHERN INDIANA TO
   CENTRAL/EASTERN KY

   CONCERNING...SEVERE THUNDERSTORM WATCH 169...171...

   VALID 220439Z - 220615Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   169...171...CONTINUES.

   SUMMARY...A LIMITED/MARGINALLY SEVERE RISK CONTINUES FROM FAR
   EAST-CENTRAL/SOUTHEAST IL AND SOUTHERN INDIANA TO NORTHERN KY.
   SEVERE TSTM WATCHES 169/171 CONTINUE UNTIL 06Z/07Z RESPECTIVELY.

   DISCUSSION...LARGELY FOCUSED ALONG AND ON THE COOL SIDE OF PRIOR
   COMPOSITE OUTFLOW...MULTIPLE CLUSTERS OF TSTMS CONTINUE TO DEVELOP
   SOUTHEASTWARD IN A CORRIDOR FROM FAR EAST-CENTRAL/SOUTHEAST IL AND
   SOUTHERN INDIANA TO NORTHERN KY. ALTHOUGH BOUNDARY LAYER INHIBITION
   HAS INCREASED...A MODERATELY UNSTABLE AIR MASS JUST ABOVE THE
   SURFACE CONTINUES TO FEED THESE STORMS FOR THE WEST. EPISODIC
   INSTANCES OF SEVERE HAIL/WIND WILL REMAIN POSSIBLE EARLY IN THE
   OVERNIGHT. WHILE SOME ADDITIONAL UPSCALE MCS GROWTH/ORGANIZATION IS
   POSSIBLE OVER THE NEXT HOUR OR TWO ACROSS SOUTH-CENTRAL
   INDIANA...NEAR-SURFACE STABILITY/PRIOR OUTFLOW SHOULD TEND TO CURB
   THE DAMAGING WIND POTENTIAL.

   ..GUYER.. 05/22/2014


   ATTN...WFO...JKL...ILN...LMK...IND...ILX...

   LAT...LON   39868842 39618715 39148543 38448389 37298339 37118451
               38248659 39218825 39868842 

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Page last modified: May 22, 2014
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