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Area Forecast Discussion

AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
154 AM EST Sat Dec 13 2025

...Morning Area Forecast Discussion...

.KEY MESSAGES...
Updated at 152 AM EST Sat Dec 13 2025

- An Arctic front will produce colder temperatures Sunday and
Monday with lows potentially in the teens. Temperatures rebound
quickly through the second half of the week.

- Light rain is expected Saturday night into Sunday with further
precipitation not likely until at least Thursday. Total
rainfall accumulations will remain mostly less than half an
inch.

&&

.SHORT TERM...
(Today through Sunday)
Issued at 152 AM EST Sat Dec 13 2025

The near term will be characterized by a significant swing in
conditions through the weekend. Continued southwesterly flow will
bring increasing moisture and warm conditions once more this
afternoon. Highs will be 5 to 10 degrees above normal across the
state.

Conditions swing quickly as we move into the overnight hours. A
digging upper level trough will enter phase with the subtropical
shortwave bringing an arctic airmass into the south. The leading
edge coldfront will be enough to trigger some showers along the the
I85 corridor and areas south, however limited moisture will mean
accumulations are fairly light (well below 0.5" for most). Winds
pick up significantly behind the front with sustained winds of 15 to
20mph and gusts in excess of 30mph. CAA will be aggressive and
temperatures will drop throughout the day on Sunday. Expect the
warmest temps on Sunday to be in the morning. See the long term
section for further discussion on cold weather products.

&&

.LONG TERM...
(Sunday night through Friday)
Issued at 152 AM EST Sat Dec 13 2025

The long term begins with some of the coldest air of the year across
the CWA on Sunday night as an Arctic airmass continues to blast into
Georgia. Overnight lows look quite cold - in the teens across north
Georgia and the metro and low 20s further south into central
Georgia. High pressure will be settling in overhead so winds should
begin to decrease through the night. Air temperatures alone will be
almost cold enough to warrant issuance of Cold Weather Advisory
through Monday morning across much of the CWA. Any wind that remains
would likely bring wind chills to that criteria. At this time,
chances of seeing Cold Weather Advisory issuance are pretty high
(>80%) over the next 24 hours, unless models begin to diverge
tremendously.

As high pressure settles in, Monday looks to be the coldest day of
the week for many (outside of parts of north Georgia Sunday). Highs
across the area will be in the low to mid 40s. A rapid warming trend
begins after this as the surface high is quickly pushed to the east.
SW brings moisture and warmer air back to the area with highs
returning to the 50s and 60s by Wednesday. Aloft, deep upper level
wave looks to move across the upper Great Plains Thursday, pushing
another front towards the area and bringing our next chances of
rain, though just how much (or if it will be any at all) is still
very much uncertain.

&&

.AVIATION...
(06Z TAFS)
Issued at 1223 AM EST Sat Dec 13 2025

VFR for most sites through 00z Sat except CSG with tempo IFR
conditions between 10 to 14z Sat. Cigs fall through late evening
tmrw with -shra. IFR likely after 04z Sunday. Winds W to SW at 3
to 8 kts through tomorrow. Winds become VRB in -shra and turn NW
behind them, increasing to around 10kts with gusts of 20 to 25kts.

//ATL Confidence...06Z Update...
Medium confidence cigs CSG this morning.
High confidence all other elements.

SM

&&
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