

323 

WWUS20 KWNS 031728

SEL0

SPC WW 031728

NCZ000-CWZ000-040600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 390

NWS STORM PREDICTION CENTER NORMAN OK

125 PM EDT THU JUL 3 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  COASTAL NORTH CAROLINA

  COASTAL WATERS



* EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 125

  PM UNTIL 200 AM EDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE

  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE

MILES EITHER SIDE OF A LINE FROM 25 MILES WEST SOUTHWEST OF

WILMINGTON NORTH CAROLINA TO 40 MILES NORTH NORTHEAST OF CAPE

HATTERAS NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 389...



DISCUSSION...RISK FOR SCTD SMALL SUPERCELLS WITH LOW-LVL

MESOCYCLONES/POTENTIAL TORNADOES EXPECTED TO INCREASE THIS AFTN

THROUGH TNGT ALONG THE NC CST AS REGION IS GLANCED BY FAVORABLE NE

QUADRANT OF HRCN ARTHUR.  AS THE HRCN CONTINUES NNEWD...ENVELOPE OF

DEEPER/MORE MOISTURE-RICH

WILL OVERSPREAD THE CST IN CONJUNCTION WITH THE MOST

STRONGLY-SHEARED LOW-LVL WIND FIELD. GIVEN EXISTING DEGREE OF

LOW-LVL INSTABILITY ON NRN AND ERN SIDES OF ARTHUR /PER LIGHTNING

STRIKES/...CONVERGENT FLOW MAY CONTINUE TO SPAWN SHOWERS/STORMS

CAPABLE OF WATERSPOUTS/TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 16045.





...CORFIDI

