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WWUS20 KWNS 111833

SEL1

SPC WW 111833

MAZ000-MEZ000-NHZ000-NYZ000-VTZ000-120200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 521

NWS STORM PREDICTION CENTER NORMAN OK

235 PM EDT WED SEP 11 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN MASSACHUSETTS

  NORTHERN AND CENTRAL MAINE

  NEW HAMPSHIRE

  EASTERN NEW YORK

  VERMONT



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 235 PM

  UNTIL 1000 PM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

  A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST

NORTHWEST OF ALBANY 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 WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 520...



DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY ACROSS THE WATCH AREA THIS AFTERNOON INTO EVENING.  WHILE

A BRIEF TORNADO IS POSSIBLE OVER NORTHERN OR CENTRAL

MAINE...DAMAGING WINDS AND SOME HAIL WILL BE THE PRIMARY SEVERE

WEATHER HAZARDS.



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 500. MEAN STORM

MOTION VECTOR 27030.





...MEAD

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