

586 

WWUS20 KWNS 262000

SEL7

SPC WW 262000

CTZ000-MAZ000-NJZ000-NYZ000-PAZ000-CWZ000-270300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 527

NWS STORM PREDICTION CENTER NORMAN OK

400 PM EDT THU JUL 26 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CONNECTICUT

       WESTERN MASSACHUSETTS

       NORTHERN AND CENTRAL NEW JERSEY

       SOUTHEAST NEW YORK

       EASTERN PENNSYLVANIA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 400 PM UNTIL

1100 PM EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH

NORTHEAST OF GROTON CONNECTICUT TO 65 MILES NORTHWEST OF

WILMINGTON DELAWARE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 524...WW 525...WW 526...



DISCUSSION...A LINE OF FAST-MOVING THUNDERSTORMS OVER CENTRAL PA

WILL TRACK ACROSS THE WATCH AREA THIS AFTERNOON AND EVENING.  RAPID

AIRMASS DESTABILIZATION COUPLED WITH FAST LOW/MID LEVEL WESTERLY

FLOW WILL PROMOTE A RISK OF RATHER WIDESPREAD DAMAGING WINDS AND

SOME HAIL.  ISOLATED TORNADOES CANNOT BE RULED OUT IN STORMS THAT

FORM AHEAD OF THE LINE...AND IN THE MORE INTENSE BOW/LEWP

STRUCTURES.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

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

MOTION VECTOR 27045.





...HART

