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FXUS62 KFFC 071145 CCA AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 628 AM EST Thu Dec 7 2023

New 12Z Aviation Discussion

SHORT TERM
(Today through Friday)
Issued at 622 AM EST Thu Dec 7 2023

Current satellite continues to show clear skies across the CWA.
Winds will remain light through the next 48 hrs, as high pressure settles directly over GA. No precipitation is anticipated through Friday, before our high moves to the east and brings Gulf moisture back into the region. With the Gulf moisture, a digging trough over the Great Planes will help to initialize a few showers and maybe a few thunderstorms across West Georgia. That said, the majority of precip is still outside of the short term outlook.

Temperatures this morning will be chilly, seeing lows in the mid to upper 20s to low 30s (Much or all of the area will be at or below freezing). Temperatures will be a tad warmer tomorrow night (mid to upper 30s). Highs on both days will be in the 50s and 60s.

SM

LONG TERM
(Friday night through Wednesday)
Issued at 622 AM EST Thu Dec 7 2023

A weak upper ridge will support a brief warm-up Friday through Saturday. Another upper trough is forecast to dig over the Central Plains by Saturday and the MS Valley by Saturday night, with widespread showers returning to the area by Saturday afternoon.
Isolated to scattered thunderstorms are possible with this system, with the best chances Saturday evening across the W zones.
Instability will be limited, but wind shear will be high. The greatest threat of isolated strong storms now looks like it might hold off until Sunday morning when CAPE values may increase to around 300 J/kg and coincide with increased low-level shear. If this activity develops, it will be just ahead of the cold front. Cooler temperatures and drier conditions are expected again early next week, with nighttime lows returning to the 30s. /SEC

AVIATION
(12Z TAFS)
Issued at 625 AM EST Thu Dec 7 2023

VFR through TAF period. VRB03KT winds pick up from SW at 4-6kts.
Increasing coverage from SKC to SCT250 later this evening to BKN250 tomorrow morning. Winds reduce back down again tonight as well.

//ATL Confidence
12Z Update
High all elements.

SM

PRELIMINARY POINT TEMPS/POPS
Athens 35 62 46 65 / 0 0 10 50 Atlanta 38 62 50 67 / 0 0 10 50 Blairsville 33 58 42 58 / 0 0 10 50 Cartersville 35 63 48 67 / 0 0 20 60 Columbus 37 65 52 71 / 0 0 10 50 Gainesville 38 60 47 60 / 0 0 10 50 Macon 35 65 50 72 / 0 0 10 30 Rome 33 63 48 67 / 0 0 20 60 Peachtree City 35 63 49 68 / 0 0 10 50 Vidalia 39 66 52 76 / 0 0 0 20

FFC WATCHES/WARNINGS/ADVISORIES
None.

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