SEL0 URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 300 NWS STORM PREDICTION CENTER NORMAN OK 230 PM EDT SAT MAY 26 2012 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WESTERN CONNECTICUT NORTHERN NEW JERSEY SOUTHEAST NEW YORK EASTERN PENNSYLVANIA COASTAL WATERS EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800 PM EDT. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF HARRISBURG PENNSYLVANIA TO 35 MILES EAST OF BRIDGEPORT CONNECTICUT. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). 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...COLD FRONT WILL MAKE SLOW PROGRESS SEWD INTO A WARM AND STRONGLY UNSTABLE AIRMASS SITUATED FROM CNTRL AND ERN PA EAST ACROSS THE NYC METROPOLITAN AREA. WHILE DEEP SHEAR IS WEAK AND SUGGESTS POOR STORM ORGANIZATION...RADAR AND SATELLITE DATA INDICATE THAT STORMS ARE QUITE ROBUST WITH ANVILS STREAMING WELL SOUTHEAST THE HIGHER STORMS/STRONGER CELLS. MOST STORMS APPEAR TO COLLAPSE WITHIN 30-40 MINUTES OF INITIATION AND EXPECT THAT THIS PULSE AND MULTICELLULAR ACTIVITY WILL CONTINUE TO POSE A THREAT OF HAIL AND HIGH WINDS...AS WELL AS FREQUENT LIGHTNING...AS IT DEVELOPS SEWD ACROSS THE REGION THROUGH LATE AFTERNOON. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 33015. ...CARBIN
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