

981 

WWUS20 KWNS 292151

SEL8

SPC WW 292151

CTZ000-NJZ000-NYZ000-PAZ000-CWZ000-300200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 318

NWS STORM PREDICTION CENTER NORMAN OK

555 PM EDT TUE MAY 29 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN CONNECTICUT

       NORTHERN AND CENTRAL NEW JERSEY

       SOUTHEAST NEW YORK

       EASTERN PENNSYLVANIA

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 555 PM UNTIL

1000 PM EDT.



HAIL TO 1.5 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 45

STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH

NORTHWEST OF POUGHKEEPSIE NEW YORK TO 15 MILES SOUTHWEST OF

PHILADELPHIA PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 313...WW 314...WW

315...WW 316...WW 317...



DISCUSSION...A LINE OF INTENSE THUNDERSTORMS OVER EASTERN PA AND

SOUTHEAST NY WILL CONTINUE TO TRACK EASTWARD THIS EVENING ACROSS THE

WATCH AREA.  HOT/HUMID CONDITIONS ARE RESULTING IN MODERATE CAPE

VALUES.  SUFFICIENT DEEP LAYER SHEAR PROFILES WILL PROMOTE ORGANIZED

MULTICELL STORMS CAPABLE OF DAMAGING WINDS AND HAIL.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 25025.





...HART

