WATCHES: Severe Thunderstorm Watch Number 626

WWUS20 KWNS 261953
SEL6
SPC WW 261953
CTZ000-MAZ000-NHZ000-NJZ000-NYZ000-PAZ000-RIZ000-CWZ000-270300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 626
NWS STORM PREDICTION CENTER NORMAN OK
350 PM EDT SUN JUL 26 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

CONNECTICUT
MASSACHUSETTS
SOUTHERN NEW HAMPSHIRE
NORTHERN NEW JERSEY
SOUTHERN NEW YORK
EASTERN PENNSYLVANIA
RHODE ISLAND
COASTAL WATERS

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 350 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 80
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST OF
WILMINGTON DELAWARE TO 35 MILES NORTH NORTHWEST OF WORCESTER
MASSACHUSETTS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 625...

DISCUSSION...AS UPPER IMPULSE APPROACHES FROM THE WEST...CONVECTION
IS EXPECTED TO BECOME MORE WIDESPREAD AND INTENSIFY ACROSS THE WATCH
AREA. DEEP LAYER SHEAR WILL BE SUFFICIENTLY STRONG FOR SUPERCELLS
WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY THREATS. AS COLD
FRONT MOVES IN FROM THE WEST THIS EVENING...STORMS MAY DEVELOP INTO
LINE SEGMENTS/BOWS...WHICH WOULD INCREASE THE POTENTIAL FOR WIND
DAMAGE.

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 450. MEAN STORM
MOTION VECTOR 25030.

...IMY

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