SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 58
NWS STORM PREDICTION CENTER NORMAN OK
105 PM EST FRI MAR 2 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN INDIANA
CENTRAL AND EASTERN KENTUCKY
SOUTHWEST OHIO
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 105 PM UNTIL 900
PM EST.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF
DAYTON OHIO TO 30 MILES SOUTHEAST OF BOWLING GREEN KENTUCKY. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 56...WW 57...
DISCUSSION...SUPERCELLS DEVELOPING OVER SRN IL AND SERN MO ARE
EXPECTED TO SPREAD RAPIDLY ENEWD ACROSS THE WATCH AREA THIS
AFTERNOON INTO EVENING WITHIN EXPANDING WARM SECTOR ATTENDANT TO
STRONG EXTRATROPICAL CYCLONE. THE COMBINATION OF A MOIST AND
MODERATELY UNSTABLE BOUNDARY LAYER AND VERY STRONG LOW- AND
DEEP-LAYER SHEAR WILL SUPPORT INTENSE AND LONG-LIVED SUPERCELLS
CAPABLE OF LONG-TRACKED...SIGNIFICANT TORNADOES. LARGE HAIL AND
DAMAGING WIND GUSTS ARE ALSO LIKELY.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25045.
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