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533 

WWUS20 KWNS 292258

SEL6

SPC WW 292258

CTZ000-MAZ000-NHZ000-300500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 246

NWS STORM PREDICTION CENTER NORMAN OK

700 PM EDT WED MAY 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN CONNECTICUT

  WESTERN AND CENTRAL MASSACHUSETTS

  SOUTHERN NEW HAMPSHIRE



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 700 PM

  UNTIL 100 AM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A FEW SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH

NORTHWEST OF WORCESTER MASSACHUSETTS TO 35 MILES SOUTHWEST OF

WINDSOR LOCKS CONNECTICUT.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 239...WW 240...WW

241...WW 242...WW 243...WW 244...WW 245...



DISCUSSION...EVOLVING CLUSTER OF STORMS APPROACHING THE HUDSON

VALLEY CONTINUES TO SLOWLY STRENGTHEN...AND APPEARS LIKELY TO

MAINTAIN INTENSITY EAST OF THE HUDSON VALLEY INTO INTERIOR SOUTHERN

NEW ENGLAND BY AROUND 01Z.  THEREAFTER...INFLOW OF COOLER MORE

STABLE MARINE LAYER AIR PROBABLY WILL WEAKEN ACTIVITY BEFORE IT

REACHES COASTAL AREAS.  POTENTIALLY DAMAGING WIND GUSTS AND SEVERE

HAIL WILL BE POSSIBLE IN STRONGEST STORMS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28045.





...KERR

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