THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF EAST CENTRAL GEORGIA A LARGE PART OF NORTH CAROLINA A LARGE PART OF SOUTH CAROLINA * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 120 PM UNTIL 1000 PM EDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES LIKELY NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF RALEIGH NORTH CAROLINA TO 35 MILES WEST OF ORANGEBURG SOUTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && DISCUSSION...TSTMS EXPECTED TO INCREASE IN NUMBER/STRENGTH WITH CONTINUED SFC HEATING ALONG TWO CONFLUENCE AXES OVER THE NC/SC AREA. THE STRONGEST HEATING SHOULD OCCUR WITH ERN-MOST AXIS OVER THE ERN PIEDMONT/WRN CSTL PLN...WHILE A SOMEWHAT STRONGER WIND FIELD WILL EXIST WITH WRN AXIS NOW OVER WRN NC/SC. ASCENT ASSOCIATED WITH APPROACHING UPR IMPULSE FROM THE ERN TN VLY...INCREASING LOW TO MID-LVL FLOW ASSOCIATED WITH THE IMPULSE /50 KT WSWLY 700 MB WIND ATTM IN ERN TN AT MRX PER VWP/...AND RICH LOW-LVL MOISTURE SUGGEST POTENTIAL FOR SUPERCELLS/LEWPS WITH A RISK FOR TORNADOES...IN ADDITION TO NARROW SWATHS OF DMGG WIND. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24040. ...CORFIDI
Posted on: Mon, 10 Jun 2013 17:29:15 +0000
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