WATCHES: Severe Thunderstorm Watch Number 819

WWUS20 KWNS 101752
SEL9
SPC WW 101752
NYZ000-PAZ000-102300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 819
NWS STORM PREDICTION CENTER NORMAN OK
155 PM EDT SUN AUG 10 2008

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

CENTRAL NEW YORK
NORTHEAST PENNSYLVANIA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 700
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 40
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH
SOUTHEAST OF WILKESBARRE PENNSYLVANIA TO 15 MILES NORTHWEST OF
UTICA NEW YORK. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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 817...WW 818...

DISCUSSION...THUNDERSTORMS EXPECTED TO CONTINUE AHEAD OF UPPER LOW
AS SURFACE HEATING MAINTAINS MARGINAL TO MODERATE INSTABILITY.
LARGE HAIL IS LIKELY WITH THE MORE ROBUST CORES...ALONG WITH
ISOLATED STRONG/DAMAGING WINDS.

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 22025.

...EVANS

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