WATCHES: Severe Thunderstorm Watch Number 370

WWUS20 KWNS 081638
SEL0
SPC WW 081638
KYZ000-OHZ000-PAZ000-TNZ000-VAZ000-WVZ000-090100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 370
NWS STORM PREDICTION CENTER NORMAN OK
1240 PM EDT FRI JUN 8 2007

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

EASTERN KENTUCKY
SOUTHEAST OHIO
SOUTHWEST PENNSYLVANIA
EASTERN AND PARTS OF MIDDLE TENNESSEE
FAR WESTERN VIRGINIA
MUCH OF WEST VIRGINIA

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL
900 PM EDT.

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

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTH
SOUTHWEST OF CROSSVILLE TENNESSEE TO 15 MILES NORTH NORTHWEST OF
PITTSBURGH PENNSYLVANIA. FOR A COMPLETE DEPICTION OF THE WATCH
SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 367...WW 368...WW 369...

DISCUSSION...SQUALL LINE FROM SWRN OH TO WRN TN WILL CONTINUE
RAPIDLY EWD WITH INTENSIFICATION THROUGH THE AFTERNOON AS IT
ENCOUNTERS INCREASINGLY UNSTABLE AIRMASS. SHEAR PROFILES PROVIDE BY
S/WV TROUGH PASSING THRU GREAT LAKES WILL ENHANCE WIND DAMAGE
POTENTIAL...PARTICULARLY ASSOCIATED WITH BOWING SEGMENTS IN THE
SQUALL LINE.

AVIATION...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 550. MEAN STORM
MOTION VECTOR 24035.

..HALES

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.