Area Forecast Discussion
Issued by NWS Columbia, SC

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535
FXUS62 KCAE 252315
AFDCAE

Area Forecast Discussion
National Weather Service Columbia SC
615 PM EST Sat Feb 25 2017

.SYNOPSIS...
A cool and dry pressure ridge will build over the area Sunday.
Moisture returns Monday as high pressure moves off the coast.
Another cold front will cross the region around the middle of
next week with higher chances for showers and thunderstorms.

&&

.NEAR TERM /THROUGH TONIGHT/...
Main cold front is pushing into the eastern portions of the
Carolinas this evening. Clear skies to prevail overnight. Much
drier air is advecting into the area on strong gusty winds
behind this front. A Lake Wind Advisory remains until 10 pm.
Winds will diminish some late tonight. Stronger cold advection
will begin late tonight, resulting in temperatures falling into
the 30s for most areas.

&&

.SHORT TERM /SUNDAY THROUGH TUESDAY/...
Surface high pressure will provide the Midlands and CSRA with a
clear and seasonable Sunday. The surface high moves offshore
Monday with a return flow allowing a rapid increase in moisture.
The 12z models hold off on showers and thunderstorms until
Monday Night into Tuesday. Temperatures will return to above
climo levels Monday through Tuesday.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
A deep late winter upper trough digs into the Plains states on
Wednesday and progresses into the Northeast and Mid Atlantic by the
end of the week.  A powerful cold front is forecast to sweep across
the Southeast U.S. Wednesday Night into Thursday morning.  Expect
showers and thunderstorms ahead of and with the front Wednesday into
Thursday morning.  Canadian high pressure will build into the
Eastern U.S. behind this system Thursday afternoon into next
weekend.  Temperatures will start out above climo for early March
and then drop to near or below climo by the end of the week.

&&

.AVIATION /23Z SATURDAY THROUGH THURSDAY/...
VFR conditions expected.

West winds 10 to 15 knots with gusts around 20 to 25 knots
continue behind the cold front, but will continue to veer
northwest and gradually subside this evening. Drier air will
overtake the region and skies will be mostly clear through the
period. No fog expected.

EXTENDED AVIATION OUTLOOK...MVFR and/or IFR ceilings and
visibilities can be expected at times at TAF sites Monday Night
through Thursday morning in showers, thunderstorms and fog.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
GA...Lake Wind Advisory until 10 PM EST this evening for GAZ040-
     063>065-077.
SC...Lake Wind Advisory until 10 PM EST this evening for SCZ015-016-
     018-020>022-025>031-035>038-041.

&&

$$



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