WWUS20 KWNS 291903
SEL6
SPC WW 291903
INZ000-KYZ000-OHZ000-WVZ000-300200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 436
NWS STORM PREDICTION CENTER NORMAN OK
305 PM EDT FRI JUN 29 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       EXTREME SOUTHEAST INDIANA
       EXTREME NORTHERN KENTUCKY
       MOST OF CENTRAL AND SOUTHERN OHIO
       CENTRAL AND NORTHWEST WEST VIRGINIA

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST
NORTHWEST OF DAYTON OHIO TO 45 MILES EAST OF PARKERSBURG WEST
VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 435...

DISCUSSION...A DEVELOPING MCS/BOW ECHO ACROSS INDIANA IS EXPECTED TO
MOVE ESEWD THROUGH THE AFTERNOON/EVENING AT ROUGHLY 50 KT.  THE
STORM ENVIRONMENT DOWNSTREAM FEATURES STRONG INSTABILITY AND
SUFFICIENT DEEP-LAYER FLOW/SHEAR TO MAINTAIN AN ORGANIZED MCS...AND
THERE WILL BE THE POTENTIAL FOR WIDESPREAD DAMAGING WINDS /SOME
SIGNIFICANT/ WITH THIS BOWING SYSTEM THROUGH THIS EVENING.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 650. MEAN STORM
MOTION VECTOR 29050.


...THOMPSON