Area Forecast Discussion
Issued by NWS Atlanta, GA

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FXUS62 KFFC 201129
AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
629 AM EST Sat Jan 20 2018



.PREV DISCUSSION... /Issued 254 AM EST Sat Jan 20 2018/

SHORT TERM /Today through Sunday/...
Through the short term, low pressure will traverse the area from the
west. At this time, this system appears to have limited moisture,
and the short term forecast remains precip free. Increasing clouds
this morning will diminish somewhat this afternoon, then increase
again Sunday as the low positions itself over the state. A warming
temperature trend is expected, with most areas seeing mid 50s to low
60 temperatures today, then mid to upper 60s Sunday. Lows will be in
the 30s and 40s Sunday morning.

31

LONG TERM /Sunday Night through Friday/...
Models in very good agreement through the long term. The long term
begins with an H5 low over the midwest with an associated cold
front moving across the southeast. This front will move across the
CWA Monday night, however moisture will spread across the CWA
Monday. Both GFS/ECMWF/Canadian keep the deepest moisture across
north Georgia and have therefore kept the highest pops across
north GA. Dry air will quickly spread across the region Monday
night ending the precip. There is low instability with the front,
but enough to bring a slight chance of thunder across north GA
Monday. The dry air will remain over the CWA through Friday as a
H5 ridge slowly builds over the eastern US. Temperatures will be
near normal for the long term.

17

&&

.AVIATION...
12Z Update...
VFR conditions expected through the period. Very patchy MVFR is
possible through 16z. Expect cigs to improve/scatter 16-18Z. Will
stay west at 5-7kt through the day, then become light overnight.
Models indicate that winds could shift to the east mid morning
Sunday.

//ATL Confidence...12Z Update...
High on all elements.

31

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          60  38  65  42 /   0   0   0   5
Atlanta         57  40  64  45 /   0   0   0   0
Blairsville     53  34  61  40 /   5   0   0   5
Cartersville    55  36  64  43 /   0   0   0   5
Columbus        62  40  68  47 /   0   0   0   0
Gainesville     55  40  62  43 /   0   0   0   5
Macon           61  36  67  44 /   0   0   0   5
Rome            56  35  64  43 /   0   0   0   0
Peachtree City  58  35  65  44 /   0   0   0   0
Vidalia         62  42  67  46 /   0   0   0   0

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SHORT TERM...31
LONG TERM....17
AVIATION...31



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