

372 

WWUS20 KWNS 302222

SEL6

SPC WW 302222

ALZ000-MSZ000-310600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 786

NWS STORM PREDICTION CENTER NORMAN OK

520 PM CDT FRI OCT 30 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL ALABAMA

       A SMALL PART OF SOUTHEAST MISSISSIPPI



EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 520 PM

UNTIL 100 AM CDT.



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

GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF GADSDEN

ALABAMA TO 50 MILES WEST SOUTHWEST OF EVERGREEN ALABAMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



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 785...



DISCUSSION...NNE/SSW PRE-FRONTAL BAND OF TSTMS/SHOWERS NOW EXTENDING

FROM NW AL TO SE MS EXPECTED TO CONTINUE SLOWLY EWD.  FARTHER

E...MORE ISOLD ACTIVITY EXPECTED TO PERSIST FOR AWHILE ALONG

CONFLUENCE ZONE OVER WRN AL.  ONSET OF DIURNAL COOLING ULTIMATELY

SHOULD DIMINISH SVR THREAT.  BUT POTENTIAL FOR STORMS/SHOWERS WITH

STRONG LOW LVL ROTATION/POSSIBLE TORNADOES WILL CONTINUE GIVEN

STRENGTH OF LOW LVL WIND FIELD/SHEAR AND RICH LOW LVL

MOISTURE...ESPECIALLY INVOF STALLED BACK-DOOR BOUNDARY IN CNTRL AL.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 21035.





...CORFIDI

