

355 

WWUS20 KWNS 181344

SEL1

SPC WW 181344

NCZ000-182100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 641

NWS STORM PREDICTION CENTER NORMAN OK

945 AM EDT TUE SEP 18 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL NORTH CAROLINA



EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 945 AM UNTIL

500 PM EDT.



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 50 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF

ROANOKE RAPIDS NORTH CAROLINA TO 10 MILES SOUTH SOUTHWEST OF

FAYETTEVILLE NORTH 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.



DISCUSSION...BROKEN BAND OF SHOWERS HAS ALREADY SHOWN SIGNS OF

ROTATION AS IT INTERACTS WITH A VERY MOIST AND STRONGLY SHEARED

ENVIRONMENT.  EXPECT ONGOING ACTIVITY TO FURTHER DEEPEN INTO

SUPERCELLS AND/OR A BOWING LINE SEGMENT CAPABLE OF TORNADOES AND

DAMAGING WINDS.



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 22035.





...MEAD

