National Weather Service Raw Text Product

000 
WWUS20 KWNS 111545
SEL7  
SPC WW 111545
MDZ000-NYZ000-OHZ000-PAZ000-WVZ000-LOZ000-LEZ000-112100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 357 
NWS STORM PREDICTION CENTER NORMAN OK 
1145 AM EDT SUN MAY 11 2003

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

       EXTREME WESTERN MARYLAND
       WESTERN NEW YORK
       EASTERN OHIO
       WESTERN PENNSYLVANIA
       NORTHERN WEST VIRGINIA
       LAKE ONTARIO
       LAKE ERIE

EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 1145 AM UNTIL 500
PM EDT.

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

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES NORTH NORTHWEST OF BUFFALO NEW YORK TO 25
MILES WEST SOUTHWEST OF MORGANTOWN WEST VIRGINIA.

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.




DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP SOON
OVER EASTERN OH AND TRACK ACROSS WESTERN NY/PA.  RAPID
DESTABILIZATION AHEAD OF COLD FRONT COUPLED WITH STRONG DYNAMIC
FORCING SHOULD PROMOTE DAMAGING WINDS AND LARGE HAIL IN STRONGER
CELLS.	VERTICAL SHEAR PROFILES ALSO SUPPORT A RISK OF SUPERCELLS
AND ISOLATED TORNADOES IN THIS REGION.

AVIATION...TORNADOES AND 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 500.
MEAN STORM MOTION VECTOR 26040.


...HART

431,0772 392,0785 392,0814 431,0802