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Mesoscale Discussion 1583
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   MESOSCALE DISCUSSION 1583
   NWS STORM PREDICTION CENTER NORMAN OK
   0524 PM CDT TUE AUG 19 2014

   AREAS AFFECTED...CNTRL/SRN IND...SWRN OH

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 192224Z - 200000Z

   PROBABILITY OF WATCH ISSUANCE...40 PERCENT

   SUMMARY...ISOLATED SEVERE HAIL AND LOCALLY DAMAGING WINDS ARE
   POSSIBLE WITH A COUPLE OF STORMS DEVELOPING W/NW OF THE INDIANAPOLIS
   METRO AREA. MONITORING FOR A POSSIBLE SEVERE TSTM WATCH.

   DISCUSSION...A PAIR OF CB/S HAVE DEVELOPED ALONG THE TRAILING
   PORTION OF A WEAK MCV OVER N-CNTRL IND WHERE STRONGER HEATING HAS
   OCCURRED IN W-CNTRL IND. WITH A MODERATELY FAVORABLE COMBINATION OF
   BUOYANCY AND SPEED SHEAR /GENERALLY CONFINED TO THE 1-3 KM AGL LAYER
   PER KIND VWP DATA/...THESE CELLS WILL BE CAPABLE OF ISOLATED SEVERE
   HAIL. WITH A NEBULOUS SURFACE PATTERN..THE DEGREE OF STORM
   DEVELOPMENT INTO THE EVENING IS QUESTIONABLE. IF A CLUSTER WERE TO
   FORM...EXPECTED WEAKER WINDS WITH ERN EXTENT INTO OH SUGGEST
   POTENTIAL FOR SEVERE WIND GUSTS MAY BE LIMITED.

   ..GRAMS/CORFIDI.. 08/19/2014


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

   LAT...LON   40468608 40558485 40648428 40558381 40128387 39598428
               39258486 39068604 39218696 39358726 39638732 39818724
               40468608 

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