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893 

WWUS20 KWNS 261958

SEL8

SPC WW 261958

ALZ000-270200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 728

NWS STORM PREDICTION CENTER NORMAN OK

300 PM CDT TUE OCT 26 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN AND CENTRAL ALABAMA



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 300 PM UNTIL

900 PM CDT.



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 55 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF TUSCALOOSA

ALABAMA TO 30 MILES EAST OF ANNISTON 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 722...WW 723...WW

725...WW 726...WW 727...



DISCUSSION...BANDS OF TSTMS ARE GRADUALLY INTENSIFYING THIS

AFTERNOON WITHIN A WARM...MOIST AIR MASS WITH MLCAPE OF 1000-1500

J/KG.  LOW-LEVEL WIND FILED IS GRADUALLY VEERING...THOUGH SUFFICIENT

LOW AND DEEP-LAYER SHEAR STILL EXISTS FOR SUPERCELLS CAPABLE OF

TORNADOES AND DAMAGING WIND GUSTS.



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 500.

MEAN STORM MOTION VECTOR 25035.





...MEAD

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