

410 

WWUS20 KWNS 250638

SEL1

SPC WW 250638

ALZ000-GAZ000-251400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 711

NWS STORM PREDICTION CENTER NORMAN OK

135 AM CDT MON OCT 25 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND NORTHERN ALABAMA

       WESTERN GEORGIA



EFFECTIVE THIS MONDAY MORNING FROM 135 AM UNTIL 900 AM CDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF

HUNTSVILLE ALABAMA TO 40 MILES SOUTH OF SELMA ALABAMA.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 709...WW 710...



DISCUSSION...ERN MS SQLN WITH EMBEDDED SUPERCELLS EXPECTED TO

CONTINUE ENE ACROSS AL LATER THIS MORNING...WHILE ISOLD STORMS

CONTINUE TO FORM AND MOVE NE ALONG CONFLUENCE ZONE/MOISTURE GRADIENT

IN S CNTRL/SE AL.  CONTINUED ENE MOTION OF AR/NRN LA UPR IMPULSE

SHOULD ENHANCE DEEP SHEAR AND MID LVL COOLING ACROSS AL OVER THE

NEXT SEVERAL HOURS AS WSW/ENE OUTFLOW BOUNDARY OVER NRN AL DRIFTS

SLOWLY NWD. THIS MAY FOSTER INTENSIFICATION OF EXISTING STORMS...AND

A THREAT FOR A COUPLE TORNADOES...IN ADDITION TO SVR HAIL/LOCALLY

DMGG WIND.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

