

949 

WWUS20 KWNS 291839

SEL9

SPC WW 291839

KYZ000-OHZ000-VAZ000-WVZ000-LEZ000-010200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 49

NWS STORM PREDICTION CENTER NORMAN OK

140 PM EST WED FEB 29 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN KENTUCKY

       CENTRAL AND EASTERN OHIO

       FAR WESTERN VIRGINIA

       WESTERN AND CENTRAL WEST VIRGINIA

       LAKE ERIE



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 140 PM UNTIL

900 PM EST.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

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



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHWEST OF

AKRON OHIO TO 60 MILES SOUTH SOUTHWEST OF HUNTINGTON WEST

VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 48...



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY THIS AFTERNOON ON NRN AND ERN PERIPHERY OF ONGOING SVR

TSTMS OVER CNTRL KY.  18Z ILN SOUNDING INDICATES THAT AIR MASS HAS

BECOME UNCAPPED AHEAD OF COLD FRONT MOVING ACROSS OH WITH SBCAPE

VALUES OF AROUND 800 J/KG.  GIVEN THE VERY STRONG WIND FIELD /REF.

18Z ILN SOUNDING AND CURRENT VAD DATA/...THE POTENTIAL WILL EXIST

FOR LOW-TOPPED SUPERCELLS AND BOWING STRUCTURES CAPABLE OF TORNADOES

AND DAMAGING WINDS.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350.

MEAN STORM MOTION VECTOR 26050.





...MEAD

