The SPC has issued a severe thunderstorm watch for parts of northern and Central Alabama.
SEL6
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 766
NWS STORM PREDICTION CENTER NORMAN OK
240 PM CDT FRI OCT 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN AND CENTRAL ALABAMA
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 240 PM UNTIL 700
PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70
MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES SOUTH
SOUTHEAST OF TUSCALOOSA ALABAMA TO 25 MILES NORTHEAST OF
HUNTSVILLE ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION…CONTINUE…WW 763…WW 764…WW 765…
DISCUSSION…BROKEN LINE OF TSTMS WILL CONTINUE ENEWD ACROSS WW
THROUGH THE EARLY TO MID EVENING AHEAD OF STRONG SURFACE COLD FRONT.
DEEP LAYER SHEAR REMAINS QUITE STRONG AND SHOULD SUSTAIN BOW ECHOES
AND/OR SUPERCELL STRUCTURES WITH THE MORE INTENSE CORES. WIND
DAMAGE IS EXPECTED TO ACCOMPANY THIS ACTIVITY…AND AN ISOLATED
TORNADO CAN NOT BE RULED OUT ESPECIALLY INTO PARTS OF NWRN AL.
ADDITIONAL STORMS MAY CONTINUE INCREASING AHEAD OF THE LINE WITH
POTENTIAL FOR ISOLATED DAMAGING WINDS.
AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 26040.
…EVANS
