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Mesoscale Discussion 1881
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   MESOSCALE DISCUSSION 1881
   NWS STORM PREDICTION CENTER NORMAN OK
   0547 PM CDT MON OCT 13 2014

   AREAS AFFECTED...PORTIONS OF SOUTHERN AND CENTRAL INDIANA INTO
   WESTERN AND CENTRAL KENTUCKY

   CONCERNING...TORNADO WATCH 541...

   VALID 132247Z - 140015Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 541 CONTINUES.

   SUMMARY...TORNADO THREAT WILL CONTINUE ACROSS WW 541.
   STRONG...LOCALLY DAMAGING WINDS MAY ALSO BE POSSIBLE IN ADDITION TO
   THE TORNADO THREAT.

   DISCUSSION...TORNADO THREAT MAY BE INCREASING ACROSS WW 541 AS THE
   CHARACTERISTIC OF THE SQUALL LINE HAS BEGUN TO CHANGE RECENTLY.
   RADAR REFLECTIVITY OVER THE LAST HOUR OR SO HAS SHOWN A TRANSITION
   TO A MORE CELLULAR-LIKE CHARACTERISTC OR LEWP NATURE TO CONVECTION
   RATHER THAN A SOLID/CONTINUOUS LINE. 22Z SFC OBS INDICATED STRONGER
   SFC PRESSURE FALLS ARE OCCURRING OVER SRN INDIANA INTO CENTRAL KY
   AND LOW LEVEL WINDS HAVE BACKED FROM THE S TO A MORE SELY DIRECTION.
   ADDITIONALLY...REGION VAD WIND PROFILES SHOW FAVORABLE 0-1 KM SRH
   RANGING FROM 150-250 M2/S2. GIVEN THIS FAVORABLE LOW LEVEL KINEMATIC
   ENVIRONMENT JUXTAPOSED WITH MID 60S SFC DEWPOINTS AND ADEQUATE
   INSTABILITY...TORNADO THREAT WITHIN INDIVIDUAL CELLS AND/OR EMBEDDED
   WITHIN LINE SEGMENTS MAY BE INCREASING.

   ..LEITMAN.. 10/13/2014


   ATTN...WFO...LMK...IWX...OHX...IND...PAH...ILX...

   LAT...LON   40408758 40368542 36618582 36618843 38518804 38718800
               40358759 40408758 

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