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WWUS20 KWNS 251755

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SPC WW 251755

INZ000-KYZ000-OHZ000-LEZ000-260100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 372

NWS STORM PREDICTION CENTER NORMAN OK

155 PM EDT WED MAY 25 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       FAR SOUTHEAST INDIANA

       NORTHEAST KENTUCKY

       WESTERN AND CENTRAL OHIO

       LAKE ERIE



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

900 PM EDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH SOUTHEAST OF

CINCINNATI OHIO TO 25 MILES EAST NORTHEAST OF TOLEDO OHIO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 367...WW 368...WW

369...WW 370...WW 371...



DISCUSSION...MULTIPLE WAVES OF TSTMS ARE EXPECTED TO SPREAD EWD

ACROSS THE WATCH AREA THIS AFTERNOON AND EVENING.  IN ADVANCE OF

THIS ACTIVITY...A WARM FRONT WILL CONTINUE TO LIFT POLEWARD THROUGH

NRN OHIO...ALLOWING A VERY MOIST AND MODERATELY UNSTABLE AIR MASS

/I.E. MLCAPE VALUES OF 1500-2500 J PER KG/ TO DEVELOP NWD.  VERTICAL

SHEAR PROFILES WILL REMAIN SUPPORTIVE OF SUPERCELL AND BOWING

STRUCTURES CAPABLE OF TORNADOES...LARGE HAIL AND DAMAGING WIND

GUSTS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24035.





...MEAD

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