URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 271
NWS STORM PREDICTION CENTER NORMAN OK
1100 AM EDT MON MAY 24 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF CONNECTICUT
WESTERN AND CENTRAL MASSACHUSETTS
EXTREME SOUTHERN NEW HAMPSHIRE
NORTHERN NEW JERSEY
EAST CENTRAL AND SOUTHEAST NEW YORK INCLUDING WESTERN LONG
ISLAND
NORTHEAST PENNSYLVANIA
EXTREME SOUTHERN VERMONT
COASTAL WATERS
EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1100 AM UNTIL 400
PM EDT.
HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 10 MILES WEST SOUTHWEST OF ALLENTOWN
PENNSYLVANIA TO 45 MILES NORTHEAST OF PITTSFIELD MASSACHUSETTS.
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...LINE OF SEVERE THUNDERSTORMS IS MOVING INTO AXIS OF
MODERATE INSTABILITY WHERE MUCAPE IS 2000-3000 J/KG. ACTIVITY IS
EXPECTED TO DEVELOP SWD ALONG/JUST W OF INSTABILITY AXIS WITH THE
THREAT FOR LARGE HAIL AND DAMAGING WINDS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 27035.
...MCCARTHY
