589
FXUS62 KFFC 081834
AFDFFC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
234 PM EDT THU OCT 8 2026
..AFTERNOON AREA FORECAST DISCUSSION
KEY MESSAGES
- TODAY BRINGS DRY WEATHER AND ABOVE-NORMAL TEMPERATURES.
- HURRICANE ISAIAS IS FORECAST TO TRACK TO THE NORTH AND EAST
LATER ON TODAY, BEFORE MAKING LANDFALL ALONG THE NORTHERN GULF
COAST LATE ON FRIDAY.
- ISAIAS WILL COULD BRING SIGNIFICANT IMPACTS TO THE AREA FROM
FRIDAY NIGHT THROUGH SUNDAY, WITH A LONG DURATION OF STRONG
WINDS, HEAVY RAIN WITH LOCALIZED FLOODING, AND TORNADOES.
SHORT TERM
(THIS AFTERNOON THROUGH FRIDAY)
ISSUED AT 158 PM EDT THU OCT 8 2026
OVERALL BENIGN WEATHER IS EXPECTED TO CONTINUE THROUGH TODAY AND
THE FIRST PART OF FRIDAY FOR MUCH OF THE AREA BEFORE ISAIAS LEADS
TO A CHANGE IN WEATHER CONDITIONS THIS WEEKEND. THROUGH EARLY
FRIDAY WE WILL SEE OVERALL HIGH PRESSURE OVER THE AREA WITH MOSTLY
LIGHT AND VARIABLE WINDS. TEMPERATURES WILL CONTINUE TO RISE AS
HEIGHTS RISE WITH HIGHS IN THE LOW 80S TODAY AND THEN THE MID TO
UPPER 80S ON THURSDAY WHICH ARE ~10-12 DEGREES ABOVE NORMAL. LOWS
WILL BE IN THE MID TO UPPER 50S THURSDAY MORNING AND THE UPPER 50S
TO LOW 60S ON SATURDAY MORNING. THICK HIGH LEVEL CIRRUS WILL
CONTINUE TO FILTER INTO THE AREA AS ISAIAS CONTINUES TO TRACK
NORTHWARD.
LONG TERM
(FRIDAY NIGHT MORNING THROUGH NEXT WEDNESDAY)
ISSUED AT 158 PM EDT THU OCT 8 2026
HURRICANE ISAIAS IMPACTS ON NORTH AND CENTRAL GA:
FROM FRIDAY NIGHT THROUGH SUNDAY, HURRICANE ISAIAS WILL
MAKE LANDFALL OVER THE GULF COAST AND THEN WEAKEN AS IT MOVES
NORTHWARD ACROSS MISSISSIPPI AND ALABAMA INTO THE TN VALLEY. NORTH
AND CENTRAL GEORGIA WILL BE ON THE 'DIRTY' SIDE OF THE STORM, AND
POTENTIALLY SEE SIGNIFICANT IMPACTS WITH A PROLONGED PERIOD OF
STRONG WINDS, HEAVY RAINFALL WITH LOCALIZED FLASH FLOODING, AND A
FEW TORNADOES.
STRONG WINDS:
AS ISAIAS MOVES INLAND FRIDAY NIGHT INTO SATURDAY, ITS WIND FIELD
WILL EXPAND CONSIDERABLY, WITH STRONG WINDS EXTENDING WELL EAST OF
THE CENTER OF THE STORM INTO WEST-CENTRAL GA. A TROPICAL STORM
WATCH IS IN EFFECT FOR THIS AREA WHERE WIND GUSTS OF 40 TO 50 MPH
WILL BE POSSIBLE. FURTHER NORTH/EAST, WHILE ISAIAS WILL BE
WEAKENING AND BECOMING POST-TROPICAL, THERE WILL BE A VERY STRONG
PRESSURE GRADIENT BETWEEN IT AND HIGH PRESSURE OVER THE MID-
ATLANTIC. THIS GRADIENT WILL SUPPORT A PROLONGED PERIOD OF STRONG
EASTERLY WINDS WITH FREQUENT GUSTS TO 40 TO 50 MPH ACROSS MOST OF
NORTH GEORGIA FROM EARLY SATURDAY THROUGH EARLY SUNDAY. A HIGH
WIND WATCH HAS BEEN ISSUED FOR THIS AREA. THE PROLONGED AND STRONG
WINDS COULD LEAD TO NUMEROUS POWER OUTAGES FROM DOWNED LIMBS AND
TREES, ESPECIALLY WHEN COMBINED WITH SATURATED SOILS FROM PERIODS
OF HEAVY RAIN.
HEAVY RAINFALL:
AS ISAIAS MOVES NORTHWARD THROUGH MISSISSIPPI/ALABAMA, IT WILL
BRING WIDESPREAD RAINFALL AND MULTIPLE BANDS OF HEAVY RAIN ACROSS
THE AREA FRIDAY NIGHT THROUGH SUNDAY. RAINFALL TOTALS OF 1 TO 3
INCHES ARE LIKELY ACROSS MUCH OF THE AREA, WITH LOCALIZED AMOUNTS
UP TO 5 INCHES POSSIBLE. HIGH RAINFALL RATES (PWAT VALUES OF
2-2.3") AND REPEATED ROUNDS OF HEAVY RAIN COULD LEAD TO LOCALIZED
FLASH FLOODING, PARTICULARLY IN URBAN AND POOR-DRAINGE AREAS, AS
WELL AS FLOOD-PRONE CREEKS AND STREAMS. A FLOOD WATCH HAS BEEN
ISSUED FOR THE ENTIRE AREA.
TORNADOES:
AS ISAIAS TRACKS NORTHWARD AND INLAND ON SATURDAY, A FAVORABLE
ENVIRONMENT FOR TORNADOES WILL DEVELOP ACROSS NORTH AND CENTRAL
GEORGIA, POTENTIALLY LINGERING INTO SUNDAY MORNING. SEVERAL
TORNADOES WILL BE POSSIBLE DURING THIS PERIOD, INCLUDING THE
OVERNIGHT HOURS SATURDAY NIGHT. TORNADOES FROM TROPICAL SYSTEMS
ARE TYPICALLY QUICK TO DEVELOP AND SHORT-LIVED, BUT WITH THE
FORWARD SPEED OF THE SYSTEM AND THE UNIQUE SETUP, WE CAN'T RULE
OUT A STRONGER (EF2 OR EF3), LONG-TRACK TORNADO. IT IS IMPERATIVE
THAT EVERYONE HAS A WAY TO RECEIVE TORNADO WARNINGS.
WARM AND DRY IN THE WAKE OF ISAIAS:
ON THE BACKSIDE OF ISAIAS' REMNANTS, A MID- LEVEL RIDGE WILL BUILD
OVER THE SOUTHEAST US, BRINGING A WARM AND DRY AIRMASS INTO THE
AREA. RAIN CHANCES WILL DROP TO NEAR ZERO FOR MONDAY- WEDNESDAY,
WITH LOW TEMPS IN THE UPPER 50S TO LOW 60S, AND HIGH TEMPS IN THE
LOW TO MID 80S.
AVIATION
(12Z TAFS)
ISSUED AT 627 AM EDT THU OCT 8 2026
VFR CONDITIONS WILL PREVAIL THROUGH THE TAF PERIOD WITH INCREASING
HIGH CLOUDS. INITIAL LIGHT AND VRB TO LIGHT NNW WINDS THIS MORNING
WILL TREND TO NE BY 18Z AT SPEEDS 3-6 KTS. SPEEDS WILL INCREASE
AFTER 15Z FRIDAY TO 10-12 KTS THEREAFTER.
//ATL CONFIDENCE...12Z UPDATE...
HIGH CONFIDENCE.
RW
PRELIMINARY POINT TEMPS/POPS
ATHENS 62 76 60 68 / 0 0 80 100
ATLANTA 64 76 61 70 / 0 10 90 100
BLAIRSVILLE 57 75 54 64 / 0 0 70 90
CARTERSVILLE 62 79 59 71 / 0 0 80 100
COLUMBUS 64 77 62 76 / 0 30 100 100
GAINESVILLE 64 75 60 66 / 0 0 80 100
MACON 61 76 62 75 / 0 30 90 100
ROME 60 80 59 70 / 0 0 80 100
PEACHTREE CITY 61 76 59 72 / 0 10 90 100
VIDALIA 66 76 67 78 / 0 30 90 100
FFC WATCHES/WARNINGS/ADVISORIES
FLOOD WATCH FROM LATE FRIDAY NIGHT THROUGH SUNDAY MORNING FOR
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113.
HIGH WIND WATCH FROM SATURDAY MORNING THROUGH SUNDAY MORNING FOR
GAZ001>009-011>016-019>025-027-030>037-041>048-053>057.
TROPICAL STORM WATCH FOR GAZ052-066>069-078>080-089>093-102>104.
SHORT TERM...HERNANDEZ
LONG TERM....CULVER
AVIATION...HERNANDEZ
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