URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 477
NWS STORM PREDICTION CENTER NORMAN OK
1140 AM EDT SAT JUL 7 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN CONNECTICUT
NORTHERN NEW JERSEY
SOUTHEAST NEW YORK
CENTRAL AND EASTERN PENNSYLVANIA
COASTAL WATERS
EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1140 AM UNTIL
700 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 60
STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES WEST NORTHWEST
OF WILLIAMSPORT PENNSYLVANIA TO 5 MILES SOUTHEAST OF BRIDGEPORT
CONNECTICUT. 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.
DISCUSSION…BAND OF FAST MOVING STORMS OVER WRN NY HAS SHOWN SIGNS
OF INTENSIFYING AS IT MOVES INTO AN INCREASINGLY WARM/MOIST LOW
LEVEL AIR MASS. STRONG WNWLY FLOW ABOVE THE GROUND /40-50 KT AT 3-4
KM BASED ON AREA VAD PROFILES/ WILL ENHANCE STORM MOTION AND
POTENTIAL FOR DAMAGING WIND GUSTS TO OCCUR. ADDITIONAL STORMS MAY
DEVELOP ALONG THE SWRN FLANK OF THE SYSTEM AS THE CAP WEAKENS OVER
PARTS OF PA THIS AFTERNOON.
