SPC Severe Thunderstorm Watch 698
Mon, 11 Oct 2010 14:40:03 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 698 NWS STORM PREDICTION CENTER NORMAN OK 340 PM EDT MON OCT 11 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF MUCH OF NEW JERSEY PARTS OF SOUTHEAST NEW YORK MUCH OF EASTERN PENNSYLVANIA COASTAL WATERS EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 340 PM UNTIL 1000 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 NORTH AND SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST OF WILLIAMSPORT PENNSYLVANIA TO 25 MILES SOUTH SOUTHEAST OF NEW YORK CITY NEW YORK. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8). 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...THUNDERSTORMS HAVE DEVELOP CENTRAL PA WITHIN A MDTLY SHEARED...STEEP LAPSE RATE ENVIRONMENT. SUFFICIENT INSTABILITY FOR STORMS TO DEVELOP INTO SHORT LINE SEGMENTS/BOWS WITH RESULTANT COLD POOLS AND DAMAGING WINDS. ACTIVITY WILL CONTINUE RAPIDLY ESEWD THRU THE WATCH WHERE FAVORABLE CONDITIONS ARE AVAILABLE TO THE COAST. AVIATION...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 450. MEAN STORM MOTION VECTOR 27035. ...HALESRead more
SPC Severe Thunderstorm Watch 698 Status Reports
Mon, 11 Oct 2010 14:40:11 -0500
STATUS FOR WATCH 0698 HAS NOT BEEN ISSUED YETRead more
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