HAZARDOUS WEATHER OUTLOOK Issue Date: 505 PM EST THU DEC 24 2009Expiration: 700 AM EST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA. .DAY ONE...TONIGHT... A FEW SEVERE THUNDERSTORMS...INCLUDING AN ISOLATED TORNADO...WILL BE POSSIBLE ACROSS CENTRAL GEORGIA LATE TONIGHT. STRONG WINDS ARE EXPECTED TO DEVELOP ACROSS NORTH AND CENTRAL GEORGIA TONIGHT. .SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IN THE SOUTHERN PLAINS WILL DEEPEN AS IT MOVES NORTH THROUGH TONIGHT. A COLD FRONT EXTENDING FROM THE LOW WILL MOVE EAST THROUGH GEORGIA LATE TONIGHT. .PRIMARY HAZARDS... THUNDERSTORMS WILL DEVELOP AFTER MIDNIGHT ALONG AND SOUTH OF A LINE FROM LAGRANGE...TO FORSYTH...TO AUGUSTA. A FEW OF THESE THUNDERSTORMS MAY BE SEVERE...WITH THE POSSIBILITY OF AN ISOLATED TORNADO. STRONG WINDS FROM THE EAST MAY CAUSE SOME DAMAGE TO TREE LIMBS OR WEAKENED TREES ACROSS NORTH AND CENTRAL GEORGIA. .DISCUSSION... THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE TO THE NORTHEAST AND THE DEEPENING LOW WILL GENERATE WIND SPEEDS AROUND 20 TO 30 MPH WITH GUSTS GREATER THAN 45 MPH EXPECTED...WITH THE STRONGEST WINDS NORTH AND ALONG A LINE FROM ROME TO DAWSONVILLE TO CLEVELAND. HIGH PROFILE VEHICLES SHOULD USE CAUTION. INSTABILITY WILL INCREASE WITH CAPES TO 400 ACROSS PORTIONS OF CENTRAL GEORGIA...AS THE COLD FRONT APPROACHES TONIGHT. STRONG VERTICAL WIND SHEAR WITH EAST WINDS AT THE SURFACE AND SOUTHWEST WINDS ALOFT...MAY ALLOW AN ISOLATED THUNDERSTORM TO BECOME BRIEFLY SEVERE. STRONG DAMAGING WINDS WILL BE THE MAIN THREAT...BUT WITH THE STRONG SHEAR AN ISOLATED BRIEF TORNADO CANNOT BE RULED OUT. ANY PROLONGED OR STEADY RAINFALL THAT DEVELOPS THIS AFTERNOON AND TONIGHT MAY LEAD TO ADDITIONAL RISES ON ALREADY FULL CREEKS AND RIVERS. A FEW LOCATIONS MAY EXPERIENCE SOME MINOR FLOODING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...THUNDERSTORMS MAY CONTINUE OVER PORTIONS OF EAST CENTRAL GEORGIA THROUGH EARLY CHRISTMAS DAY. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ACTIVATION MAY BE NEEDED IN PORTIONS OF CENTRAL GEORGIA LATE TONIGHT. SPOTTERS ARE ENCOURAGED TO SUBMIT REPORTS OF SEVERE WEATHER THROUGH THE WEB BY GOING TO WEATHER.GOV/ATLANTA.
