

569 

WWUS20 KWNS 301114

SEL8

SPC WW 301114

ALZ000-MSZ000-301900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 18

NWS STORM PREDICTION CENTER NORMAN OK

515 AM CST WED JAN 30 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST THROUGH NORTHEAST ALABAMA

       FAR SOUTHEAST MISSISSIPPI



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 515 AM UNTIL

100 PM CST.



TORNADOES...HAIL TO 1 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 70 MILES WEST SOUTHWEST OF

EVERGREEN ALABAMA TO 20 MILES NORTHEAST OF GADSDEN ALABAMA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 14...WW 15...WW 16...WW

17...



DISCUSSION...PRE-SQUALL LINE CONVECTION HAS GRADUALLY INTENSIFIED

OVER THE PAST HOUR WITH LIGHTNING NOW OBSERVED OVER CNTRL AL.  GIVEN

THE MOIST AND STRONGLY SHEARED ENVIRONMENT...POTENTIAL WILL EXIST

FOR SUPERCELLS CAPABLE OF TORNADOES AND DAMAGING WINDS.



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 400.

MEAN STORM MOTION VECTOR 22040.





...MEAD

