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Area Forecast Discussion

AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
643 AM EST Sun Dec 14 2025



...New 12Z Aviation Discussion...

.KEY MESSAGES...
Updated at 626 AM EST Sun Dec 14 2025

- An arctic cold front moving through tonight will bring gusty
winds and much colder temperatures for Sunday and Monday, with
a Cold Weather Advisory in effect across the area Sunday
evening into Monday morning.

- Light rain showers will continue to clear ahead of the arctic
front early Sunday morning.

- Temperatures rebound by the middle of the upcoming week, with
rain chances holding off until Thursday or Friday.

&&

.SHORT TERM...
(Today through Monday)
Issued at 104 AM EST Sun Dec 14 2025

Light showers and drizzle will continue ahead of the front tonight
with variable levels of cloudy conditions. Any rain should be fairly
light with this initial precipitation. As the front swings through,
precipitation will consolidate into a weak line (no thunder
expected) and quickly sweep through the CWA by around 12z. Winds out
of the northwest will pick up quickly with the frontal passage and
gusts across the area could exceed 30mph through the afternoon.
Temperatures will fall through the day with the warmest conditions
likely in the morning or just after sunrise.

The coldest air of the season will be well in place by Monday
morning with temps bottoming out in the teens. When combined with
remnant winds, wind chill temps will be just around cold weather
advisory across the the area. Dry conditions mean temps will rebound
quickly on Monday with highs in the 40s.

Overall, make sure to take proper precautions for the cold weather.
Protect exposed pipes, pets, and vulnerable populations.

&&

.LONG TERM...
(Monday night through Saturday)
Issued at 104 AM EST Sun Dec 14 2025

We pick up the long term Monday night with cold air (but not as cold
as the previous night) still in place as the Arctic surface high
pressure continues to slide to the east. High will be directly
overhead, so near calm winds will make for efficient radiative
cooling and stout surface temperature inversion. Temps will fall
into the mid to lower 20s, lower in parts of the mountains and
valleys. The surface high continues to slide off the coast into the
day on Tuesday and the airmass continues to modify, allowing temps
to warm into the 50s.

Aloft, core of the jet will be parked a bit further to the north
this week, so waves which swing through the country will also be
displaced to the north of the CWA. One wave swings through the
midwest on Wednesday pulling some moisture up from the south. Temps
in central Georgia will surge into the 60s, while cloud cover and
some potential for rain will keep temps in the 50s across the north.
The rain chances are interesting, as some models have been spitting
out a few things across the north Wednesday morning. From the
statistical side, AI guidance is a bit less excited about this
possibility. This forecast package won`t bite just yet on rain
Wednesday morning.

Deeper wave approaches on Thursday. With the initial wave on
Wednesday having pulled some moisture up already and this wave being
a bit stronger, rain is looking a bit more likely with this system,
especially across north Georgia as a front may approach and stall
near the area. May be enough instability in place to get some
rumbles of thunder as well, though too early to think about any kind
of severe possibilities (and the upper levels don`t look terribly
favorable given wave still remains well to the north despite being
more amplified). Biggest question mark is just how much rain we get.
Decent spread within the ensembles with mean 24 hour QMD QPF in the
NBM at 0.25-0.50", but 90th percentiles showing over an inch across
north Georgia. Worth keeping an eye on as we move forward in the
forecast.

&&
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