

390 

WWUS20 KWNS 261926

SEL4

SPC WW 261926

INZ000-KYZ000-OHZ000-WVZ000-270400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 374

NWS STORM PREDICTION CENTER NORMAN OK

325 PM EDT WED JUN 26 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHEASTERN INDIANA

  EASTERN KENTUCKY

  SOUTHWESTERN AND CENTRAL OHIO

  WESTERN WEST VIRGINIA



* EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 325 PM UNTIL MIDNIGHT

  EDT.



* PRIMARY THREATS INCLUDE...

  NUMEROUS DAMAGING WIND GUSTS TO 70 MPH EXPECTED

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A FEW TORNADOES POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES EAST

NORTHEAST OF DAYTON OHIO TO 35 MILES SOUTH SOUTHEAST OF LONDON

KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 372...WW 373...



DISCUSSION...A SEVERE MESOSCALE CONVECTIVE SYSTEM...NOW IN ITS

FORMATIVE STAGES TO THE NORTHWEST OF LOUISVILLE...APPEARS LIKELY TO

GROW UPSCALE...WITH DEVELOPMENT SOUTHWARD THROUGH WESTERN AND

CENTRAL KENTUCKY...AND EASTWARD TOWARD THE CENTRAL APPALACHIANS LATE

THIS AFTERNOON AND EVENING.  CONSOLIDATING AND DEEPENING OF COLD

POOLS...ACCOMPANIED BY THE DEVELOPMENT OF A REAR INFLOW JET...LIKELY

WILL BE ACCOMPANIED BY INCREASINGLY WIDESPREAD POTENTIALLY DAMAGING

WIND GUSTS ACROSS EASTERN KENTUCKY AND SOUTHWEST THROUGH CENTRAL

OHIO AS CONVECTION PROPAGATES EASTWARD.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 27035.





...KERR

