WATCHES: Tornado Watch Number 525

WWUS20 KWNS 232157
SEL5
SPC WW 232157
CTZ000-NJZ000-NYZ000-PAZ000-CWZ000-240500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 525
NWS STORM PREDICTION CENTER NORMAN OK
555 PM EDT FRI JUL 23 2010

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

SOUTHWEST CONNECTICUT
NORTHERN NEW JERSEY
SOUTHEAST NEW YORK
FAR NORTHEAST PENNSYLVANIA
COASTAL WATERS

EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 555 PM
UNTIL 100 AM EDT.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH NORTHWEST OF
WILKESBARRE PENNSYLVANIA TO 25 MILES EAST OF NEW YORK CITY NEW
YORK. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 521...WW 522...WW
523...WW 524...

DISCUSSION...CLUSTER OF TSTMS /INCLUDING SUPERCELLS/ OVER NERN PA IS
EXPECTED TO PROGRESS SEWD ALONG WARM FRONT RETREATING NWD THROUGH
NRN NJ INTO SERN NY. AIR MASS ALONG AND S OF THIS BOUNDARY IS HOT
AND QUITE MOIST WITH MLCAPE OF 1000-2000 J/KG. AREA VWPS INDICATE
MODERATELY STRONG LOW AND DEEP-LAYER SHEAR PRESENT INVOF OF THE WARM
FRONT...SUGGESTING THAT ENVIRONMENT WILL REMAIN SUPPORTIVE OF
ROTATING UPDRAFTS THROUGH THE REMAINDER OF THE EVENING. WHILE
LOCALLY DAMAGING WIND GUSTS WILL BE THE PRIMARY HAZARD...THE
POTENTIAL FOR A FEW TORNADOES WILL EXIST WITH ANY STORMS THAT CAN
FAVORABLY INTERACT WITH THE LOW-LEVEL BAROCLINIC ZONE.

AVIATION...TORNADOES AND 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 30035.

...MEAD

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