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WWUS20 KWNS 021921

SEL3

SPC WW 021921

INZ000-KYZ000-OHZ000-WVZ000-030300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 323

NWS STORM PREDICTION CENTER NORMAN OK

320 PM EDT TUE JUN 2 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND SOUTHERN INDIANA

       NORTHERN KENTUCKY

       SOUTHERN OHIO

       NORTHERN AND WESTERN WEST VIRGINIA



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL

1100 PM EDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH

SOUTHWEST OF TERRE HAUTE INDIANA TO 50 MILES EAST OF PARKERSBURG

WEST VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 321...WW 322...



DISCUSSION...STORMS ARE EXPECTED TO INCREASE IN NUMBER AND INTENSITY

THROUGH THE AFTERNOON...ESPECIALLY ALONG AND SOUTH OF A

QUASI-STATIONARY FRONT STRETCHING E-W ACROSS CENTRAL INDIANA/OHIO.

MODERATE INSTABILITY AND 20-30 KT DEEP LAYER SHEAR WILL SUPPORT

SEVERE HAIL AND A DAMAGING WIND THREAT INTO THE EVENING HOURS.



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 27020.





...IMY

