

475 

WWUS20 KWNS 261613

SEL5

SPC WW 261613

MEZ000-NHZ000-NYZ000-VTZ000-262300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 515

NWS STORM PREDICTION CENTER NORMAN OK

1215 PM EDT FRI JUN 26 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF MAINE

       NORTHERN AND CENTRAL NEW HAMPSHIRE

       NORTHEAST NEW YORK

       NORTHERN AND CENTRAL VERMONT



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1215 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 75

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTHWEST

OF SARANAC LAKE NEW YORK TO 5 MILES SOUTH SOUTHEAST OF HOULTON

MAINE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



DISCUSSION...CLUSTERS OF STRONG/SEVERE THUNDERSTORMS ARE EXPECTED TO

CONTINUE TO DEVELOP THROUGH THE AFTERNOON ACROSS THE WATCH AREA AS

UPPER SHORTWAVE TROUGH APPROACHES FROM THE WEST.  POCKETS OF HEATING

AND RATHER COOL TEMPERATURES ALOFT WILL PROMOTE A RISK OF HAIL AND

DAMAGING WINDS IN STRONGER CELLS.



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 27025.





...HART

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