HAZARDOUS WEATHER OUTLOOKNATIONAL WEATHER SERVICE BIRMINGHAM AL
500 AM CDT THU MAY 8 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.
DAY ONE...TODAY AND TONIGHT.
SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF CENTRAL ALABAMA TODAY AS A STORM SYSTEM MOVES ACROSS THE AREA. THUNDERSTORMS ARE EXPECTED TO DEVELOP BY 10 AM IN THE WEST...AND CONTINUE THROUGH MUCH OF THE DAY...EXITING THE EASTERN COUNTIES AROUND 9 PM. THE MAIN THREATS WITH THESE STORMS WILL BE DAMAGING WINDS GREATER THAN 60 MPH AND LARGE HAIL. AREAS GENERALLY ALONG AND NORTH OF INTERSTATE 20 HAVE THE POTENTIAL FOR ISOLATED TORNADOES.
SIGNIFICANT ENVIRONMENTAL WINDS AND LARGE AMOUNTS OF INSTABILITY IN PLACE ACROSS CENTRAL ALABAMA ARE FAVORABLE FOR SUPERCELL THUNDERSTORM DEVELOP OUT AHEAD OF A STRONG TO SEVERE LINE OF THUNDERSTORMS. GIVEN THE NOTED CONDITIONS...SOME SUPERCELLS HAVE THE POTENTIAL TO BE LONG TRACKED. THE MOST FAVORABLE AREAS FOR DEVELOPMENT OF SUPERCELLS WILL BE ACROSS THE NORTHERN TWO THIRDS OF CENTRAL ALABAMA.
BREEZY CONDITIONS ASSOCIATED WITH THIS STORM SYSTEM HAS PROMPTED A LAKE WIND ADVISORY FOR THE ENTIRE AREA FROM 10 AM THROUGH 7PM. WINDS WILL BE 10 TO 20 MPH WITH GUSTS 25 TO 30 MPH.
DAYS TWO THROUGH SEVEN...
FRIDAY THROUGH WEDNESDAY.THERE IS A SLIGHT CHANCE OF ISOLATED SEVERE THUNDERSTORMS ON BOTH FRIDAY AND SATURDAY. ANY STORMS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE HAIL...MAINLY DURING THE AFTERNOON AND EARLY EVENING HOURS.
A COLD FRONT IS FORECAST TO MOVE THROUGH ON SUNDAY. SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS ALL OF CENTRAL ALABAMA. THE MAIN THREATS WILL BE DAMAGING WINDS AND LARGE HAIL. THE TIMING AND STRENGTH OF THIS SYSTEM REMAIN UNCERTAIN AT THIS TIME...BUT THE SYSTEM APPEARS SIGNIFICANT WITH THE BEST CHANCE OF SEVERE STORMS FROM THE EARLY AFTERNOON THROUGH THE EVENING HOURS.
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