Area Forecast Discussion
Issued by NWS Columbia, SC

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264
FXUS62 KCAE 180730
AFDCAE

Area Forecast Discussion
National Weather Service Columbia SC
330 AM EDT Wed Oct 18 2017

.SYNOPSIS...
High pressure will remain over the area during the rest of the
week. It will remain dry with a warming trend as the air mass
modifies. Moisture will return early next week ahead of a cold
front. This will result in a chance of showers.

&&

.NEAR TERM /THROUGH TONIGHT/...
A dry will remain over the area with surface ridge extending
from the Mid Atlantic southwest across the Carolinas into
Georgia. Continued weak cold advection today expect high
temperatures to be similar to yesterday although cooler start
to the day. Highs mainly in the low 70s. More favorable
radiational cooling conditions tonight with lighter winds in the
boundary layer. Patchy frost may be possible especially in the
Piedmont and sheltered areas.

&&

.SHORT TERM /THURSDAY THROUGH FRIDAY/...
Surface and upper ridge across the eastern CONUS through
Friday. Temperatures will gradually warm to above seasonal
normals by Friday. Skies will remain clear with beautiful fall
conditions.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
Upper level trough will move into the plains. The eastern CONUS
ridge will shift off the coast resulting in a slow increase in
moisture across the region over the weekend. Models indicate a
possible cut-off low along the Gulf coast region by Monday with
moisture increasing across the Southeastern States ahead of
frontal boundary in the Tennessee River Valley. Large spread in
the ensemble pop guidance but support for at least chance pops
Monday and Tuesday. Temperatures above normal over the weekend
with near normal late in the period.

&&

.AVIATION /07Z WEDNESDAY THROUGH SUNDAY/...
VFR conditions through the TAF period.

High pressure and dry air will remain in control of the region
through the TAF period. Although the pressure gradient will be
relaxing winds will be northeasterly at 8 knots or less through
the period. With dry air over the region fog is not expected.

EXTENDED AVIATION OUTLOOK...No significant impacts to aviation
are expected.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
GA...None.
SC...None.

&&

$$
SYNOPSIS...99
NEAR TERM...99
SHORT TERM...99
LONG TERM...99
AVIATION...99



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