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WWUS20 KWNS 070943

SEL5

SPC WW 070943

NCZ000-VAZ000-CWZ000-071700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 285

NWS STORM PREDICTION CENTER NORMAN OK

540 AM EDT FRI JUN 7 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EASTERN NORTH CAROLINA

  SOUTHEASTERN VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 540 AM UNTIL

  100 PM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES EAST NORTHEAST OF

NORFOLK VIRGINIA TO 20 MILES SOUTH SOUTHEAST OF JACKSONVILLE

NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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...STRENGTHENING LOW-LEVEL SHEAR ON THE SOUTHERN FRINGE OF

AN INITIAL CLUSTER OF STORMS DEVELOPING NORTHEASTWARD ACROSS EASTERN

NORTH CAROLINA...COUPLED WITH INLAND DESTABILIZATION...IS BEGINNING

TO SUPPORT SUSTAINED LOW-LEVEL MESOCYCLONES WITH CELLS OVER INLAND

AREAS.  THIS ACTIVITY PROBABLY WILL SPREAD ACROSS THE REMAINDER OF

EASTERN NORTH CAROLINA AND THE OUTER BANKS EARLY THIS MORNING WITH

THE RISK FOR ADDITIONAL TORNADOES.  AT THE SAME TIME...AFTER

DAYBREAK...SURFACE HEATING OF THE MOIST BOUNDARY LAYER IN THE WAKE

OF THIS ACTIVITY WILL CONTRIBUTE TO SUFFICIENT DESTABILIZATION FOR

ADDITIONAL DISCRETE STORMS AHEAD OF THE REMNANTS OF ANDREA AS IT

ACCELERATES NORTHEASTWARD TOWARD THE MID ATLANTIC COAST.



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

400. MEAN STORM MOTION VECTOR 19035.





...KERR

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