WATCHES: Severe Thunderstorm Watch Number 626

WWUS20 KWNS 061853
SEL6
SPC WW 061853
NYZ000-VTZ000-LOZ000-070100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 626
NWS STORM PREDICTION CENTER NORMAN OK
250 PM EDT THU SEP 6 2012

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

UPSTATE NEW YORK
WESTERN VERMONT
LAKE ONTARIO

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 250 PM UNTIL
900 PM EDT.

HAIL TO 1 INCH 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 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES EAST
SOUTHEAST OF BURLINGTON VERMONT TO 20 MILES WEST SOUTHWEST OF
BUFFALO NEW YORK. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 625...

DISCUSSION...SCTD TSTMS EXPECTED TO CONTINUE FORMING OVER THE HIGHER
TERRAIN AND ALONG LK BREEZE BOUNDARIES OVER UPSTATE NY AS SFC
HEATING CONTINUES OVER REGION. MODERATE...DEEP UNIDIRECTIONAL WLY
FLOW PARALLEL TO THE LAKES SUGGESTS THAT UPDRAFTS MAY REMAIN ON OR
NEAR THE BOUNDARIES FOR AN APPRECIABLE LENGTH OF TIME...ENHANCING
POTENTIAL FOR SMALL BOWS WITH LOCALLY DMGG WIND AND/OR MARGINALLY
SVR HAIL.

AVIATION...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 450. MEAN STORM MOTION
VECTOR 27025.


...CORFIDI

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