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Mesoscale Discussion 934
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   MESOSCALE DISCUSSION 0934
   NWS STORM PREDICTION CENTER NORMAN OK
   1102 PM CDT SUN JUN 07 2015

   AREAS AFFECTED...PORTIONS OF CENTRAL INDIANA

   CONCERNING...SEVERE THUNDERSTORM WATCH 271...

   VALID 080402Z - 080530Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 271
   CONTINUES.

   SUMMARY...THE THREAT FOR DAMAGING WINDS AND A TORNADO CONTINUES
   ACROSS REMAINING VALID PORTIONS OF THE WATCH AREA. A LOCAL EXTENSION
   IN AREA AND TIME MAY BE NEEDED PRIOR TO THE SCHEDULED 05Z
   EXPIRATION.

   DISCUSSION...A PRONOUNCED BOWING COMPLEX OF SVR TSTMS CONTINUES
   MOVING EWD AT 35-40 KTS ACROSS W-CENTRAL INDIANA/E-CENTRAL IL AT
   04Z...EXTENDING GENERALLY FROM MONTGOMERY CO INDIANA TO CLARK COUNTY
   IL. RECENT RADAR REFLECTIVITY SUGGESTS A NRN BOOKEND VORTEX MAY BE
   DEVELOPING...AND A REAR INFLOW JET MAY BE BECOMING ESTABLISHED. IF
   THESE TRENDS CONTINUE...THIS BOWING COMPLEX MAY CONTINUE TO PRODUCE
   CORRIDORS OF ENHANCED WIND DAMAGE AND SHORT-LIVED QLCS TORNADOES
   BEYOND THE SCHEDULED EXPIRATION TIME OF WW 271 AT 05Z. IN
   ADDITION...THE THREAT MAY SHIFT S OF THE CURRENT SRN WATCH AREA...IN
   CLOSER PROXIMITY TO HIGHER THETA-E AIR AND A 40-45 KT LOW LEVEL JET.
   AS A RESULT A LOCAL AREAL/TEMPORAL EXTENSION OF THE WW MAY BE NEEDED
   ACROSS PORTIONS OF THE WFO IND CWA. BEYOND 06-07Z...THE THREAT FOR
   DAMAGING WINDS SHOULD DIMINISH...HOWEVER CONVECTIVE TRENDS WILL BE
   MONITORED.

   ..BUNTING.. 06/08/2015


   ATTN...WFO...ILN...IWX...IND...

   LAT...LON   40308616 40368530 40248486 40078490 39908514 39568541
               39058570 38878616 38778660 38768718 38768743 38948750
               39398752 40358747 40308616 

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Page last modified: June 08, 2015
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