

878 

WWUS20 KWNS 310126

SEL5

SPC WW 310126

NCZ000-SCZ000-VAZ000-310700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 25

NWS STORM PREDICTION CENTER NORMAN OK

820 PM EST WED JAN 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN NORTH CAROLINA

       EASTERN SOUTH CAROLINA

       SOUTH CENTRAL AND SOUTHEASTERN VIRGINIA



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 820 PM

UNTIL 200 AM EST.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF SOUTH HILL

VIRGINIA TO 50 MILES SOUTH SOUTHWEST OF FLORENCE SOUTH CAROLINA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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...THIS TORNADO WATCH REPLACES SEVERE

THUNDERSTORM WATCH NUMBER 22. WATCH NUMBER 22 WILL NOT BE IN

EFFECT AFTER 820 PM EST. CONTINUE...WW 23...WW 24...



DISCUSSION...NNE/SSW PRE-FRONTAL SQLN THROUGH CNTRL NC EXPECTED TO

ACCELERATE ENE THROUGH EARLY THU AS TN VLY SHORTWAVE TROUGH EJECTS

NE TOWARD REGION. STRENGTHENING FRONTAL CIRCULATION DOWNSTREAM FROM

TROUGH MAY COMPENSATE FOR WEAK BUOYANCY TO MAINTAIN FORCED

CONVECTIVE BAND ACROSS THE NC/VA PIEDMONT AND INTO WRN PORTIONS OF

THE ADJACENT CSTL PLN. AREA VWP DATA SHOW VERY STRONG WIND PROFILES

ACROSS REGION...AND FURTHER STRENGTHENING MAY OCCUR /WITH 850 MB

FLOW UP TO 80 KTS/. THUS...POTENTIAL WILL EXIST FOR EMBEDDED LEWPS

POSING A RISK FOR SPORADIC DMGG WINDS AND ISOLD

TORNADOES...ESPECIALLY NEAR LEWP CRESTS AND/OR LINE BREAKS.



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

350. MEAN STORM MOTION VECTOR 22060.





...CORFIDI

