SPC Tornado Watch 761
Wed, 01 Dec 2010 01:22:04 -0600
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 761 NWS STORM PREDICTION CENTER NORMAN OK 215 AM EST WED DEC 1 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN NORTH CAROLINA EASTERN SOUTH CAROLINA CENTRAL AND SOUTHERN VIRGINIA COASTAL WATERS EFFECTIVE THIS WEDNESDAY MORNING FROM 215 AM UNTIL 900 AM EST. TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF RICHMOND VIRGINIA TO 20 MILES WEST SOUTHWEST OF MYRTLE BEACH SOUTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). 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 760... DISCUSSION...LINE OF FORCED CONVECTION/ISOLD TSTMS APPEARS TO BE INCREASING ATTM FROM VICINITY OF DEEPENING SFC LOW IN S CNTRL VA SWD THROUGH CNTRL NC. GIVEN VERY WEAK SFC-BASED BUOYANCY...THIS TREND MOST LIKELY REFLECTS INCREASING UVV ASSOCIATED WITH TN VLY UPR VORT THAT IS BEGINNING TO TAKE ON A NEGATIVE TILT. VERY STRONG...LARGELY UNIDIRECTIONAL WIND FIELD WITH BACKED NEAR-SFC FLOW...AND INCREASING LOW LVL MOISTURE SUGGEST POTENTIAL FOR ISOLD TORNADOES IN ADDITION TO SMALL BOWS/MESOVORTICES WITH DMGG WIND. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM MOTION VECTOR 21050. ...CORFIDIRead more
SPC Tornado Watch 761 Status Reports
Wed, 01 Dec 2010 01:22:12 -0600
STATUS FOR WATCH 0761 HAS NOT BEEN ISSUED YETRead more
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