WATCHES: Severe Thunderstorm Watch Number 838

WWUS20 KWNS 181911
SEL8
SPC WW 181911
MEZ000-NHZ000-NYZ000-VTZ000-190200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 838
NWS STORM PREDICTION CENTER NORMAN OK
310 PM EDT MON AUG 18 2008

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

NORTHERN AND CENTRAL MAINE
NORTHERN NEW HAMPSHIRE
CENTRAL AND NORTHERN NEW YORK
VERMONT

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 310 PM UNTIL
1000 PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST
OF SYRACUSE NEW YORK TO 25 MILES NORTH OF HOULTON MAINE. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

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 837...

DISCUSSION...THUNDERSTORMS HAVE BEGUN TO DEVELOP OVER CENTRAL NY IN
REGION OF MODERATE INSTABILITY...AND AHEAD OF WEAK SHORTWAVE TROUGH
OVER NORTHERN OH. THIS ACTIVITY WILL LIKELY DEVELOP EASTWARD ACROSS
PARTS OF VT/NH DURING THE NEXT FEW HOURS WITH A RISK OF HAIL IN
STRONGER CELLS. ANOTHER MORE ORGANIZED LINE OF THUNDERSTORMS WILL
BEGIN AFFECTING NORTHERN ME IN THE NEXT FEW HOURS WITH A RISK OF
DAMAGING WINDS AND HAIL. THIS LINE WILL SAG SOUTHWARD THROUGH THE
EVENING INTO MUCH OF THE REMAINDER OF THE WATCH AREA.

AVIATION...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 450. MEAN STORM
MOTION VECTOR 26030.

...HART

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.