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539 

WWUS20 KWNS 190342

SEL1

SPC WW 190342

INZ000-KYZ000-OHZ000-191100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 331

NWS STORM PREDICTION CENTER NORMAN OK

1140 PM EDT WED JUN 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL...SOUTHERN AND EASTERN INDIANA

  EXTREME NORTHERN KENTUCKY

  SOUTHWESTERN AND WESTERN OHIO



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1140

  PM UNTIL 700 AM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EITHER SIDE OF A LINE FROM 40 MILES WEST NORTHWEST

OF MUNCIE INDIANA TO 40 MILES SOUTH OF CINCINNATI OHIO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 326...WW 327...WW

328...WW 329...WW 330...



DISCUSSION...BOWING MCS HAS DEVELOPED ENOUGH OF AN ORGANIZED COLD

POOL TO PERSIST ACROSS MUCH OF ERN/SERN INDIANA AND PERHAPS INTO

ADJOINING PORTION OH/KY...AIDED BY LIFT AND FAVORABLY UNSTABLE

LOW-LEVEL INFLOW ALONG AND NE OF ANTECEDENT OUTFLOW BOUNDARY.

DAMAGING WIND WILL BE PRIMARY CONCERN.  SOME POTENTIAL ALSO EXISTS

FOR THIS COMPLEX TO EXPAND SWWD OR EWD WHILE REMAINING MAINLY

FORWARD-PROPAGATIONAL...THEREFORE WW IS BROADER THAN CURRENT LATERAL

EXTENT OF COMPLEX.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 31035.





...EDWARDS

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