Area Forecast Discussion
Issued by NWS Atlanta, GA

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FXUS62 KFFC 201941
AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
241 PM EST Tue Nov 20 2018


.SHORT TERM /Tonight through Wednesday Night/...
Some isolated showers have continued with a diminishing trend
this afternoon for far south central GA with the departing front
while some lingering cold advection stratocu continues in the NW
(NE in the typical clear downslope zone). The building ridge will
dominate the rest of the fcst period and the enhanced NW gradient
winds should lax tonight to allow for some patchy frost by
Wednesday AM.

First broad sfc high stays west of the area for Wednesday so should
continue with some weaker NW fetch under mostly clear skies, then a
second stronger ridge builds in and slides east across the Ohio
Valley to start a NE wind shift by early Thursday along with
continued dry regime.

Temps about 7-10 degrees below climo tonight with most areas in the
mid to low 30s. See the Public Information Statement (PNSFFC) on how
we have reached the end of the Fall Frost/Freeze Program and thus
are no longer issuing Watches, Warnings, or Advisories until the
Spring. Magnitudes moderate a few degrees higher for Wednesday night.

Baker


.LONG TERM /Thursday through Tuesday/...
The long-term forecast period begins on Thanksgiving Day with
relatively quiet weather. Dry weather can be anticipated through
the day with temperatures slightly below normal. A back door cold
front will push into the area by Thursday night into Friday as
surface high pressure builds into the Northeast U.S. This will set
the stage for a much cooler Friday amid surface CAD with
increasing cloud cover as the next storm system approaches. Shower
chances will begin increasing through Friday evening as a surface
low develops along the northern Gulf coast in response to a
strong upper shortwave. Widespread rainfall can be expected Friday
night into the first part of Saturday as this system progresses
northeastward. Given the track of the surface low across south
Georgia/north Florida, no thunder is currently anticipated.

Late Saturday through Sunday morning will bring a brief dry reprieve
before the next front approaches the region by late Sunday into
Sunday night. Moisture return appears relatively lackluster at this
point, so a quick round of showers Sunday night appears the most
likely scenario with this quick frontal passage. Behind this front,
cool, dry high pressure will build back into the area bringing a
return to below-normal temperatures early next week.

RW


&&

.AVIATION...
18Z Update...
VFR conditions expected thru period as high pressure builds in.
Some mainly mid level cigs near the southern sites should scatter
out soon as the front pushes farther south, otherwise some
lingering cold advection FEW stratocu near 4 kft this afternoon around
KATL with mostly clear skies afterward. Cannot rule out FEW near
2500 ft tomorrow. Initial NW winds 10-12 kts gusting up to 20 kts
then decreasing to near 3-5 kts overnight into tomorrow.

//ATL Confidence...18Z Update...
High on all elements.

Baker

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          35  58  36  58 /   0   0   0   0
Atlanta         35  56  37  59 /   0   0   0   0
Blairsville     28  53  29  57 /   0   0   0   0
Cartersville    32  54  33  59 /   0   0   0   0
Columbus        37  60  38  61 /   0   0   0   0
Gainesville     34  56  36  57 /   0   0   0   0
Macon           36  60  36  61 /   0   0   0   0
Rome            32  54  34  59 /   0   0   0   0
Peachtree City  33  57  34  59 /   0   0   0   0
Vidalia         42  63  41  62 /   0   0   0   0

&&

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

$$

SHORT TERM...Baker
LONG TERM....RW
AVIATION...Baker


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