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000
FXUS62 KCAE 200320
AFDCAE

Area Forecast Discussion
National Weather Service Columbia SC
1020 PM EST Sun Jan 19 2020

.SYNOPSIS...
Dry air will filter into the region tonight with dry and
progressively cooler conditions expected through early to mid
week as cold Canadian air continues to filter into the region.
Moderating temperatures expected late week, with some moisture
return possible by Friday.

&&

.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
Broad upper trough over the eastern CONUS with near zonal flow
across the Carolinas. High and mid level clouds have exited the
area with clear skies overnight and winds becoming northerly
behind a surface trough currently crossing the Midlands. Strong
cold advection overnight. Surface winds have diminished and will
remain 5 to 10 mph overnight. Temperatures falling into the mid
to upper 20s most areas except extreme southeast.

&&

.SHORT TERM /6 AM MONDAY MORNING THROUGH TUESDAY NIGHT/...
An upper level shortwave will dig into the eastern US early this
week as a dry, cold air mass pushes into the forecast area.
This pattern supports dry weather and below normal temperatures
during the short term period. Expect highs in the 40s and lows
in the 20s. As the vorticity maxima associated with the
shortwave swings into the Southeast on Tuesday, cloud cover
should increase. The models indicate that moisture will remain
shallow during this time and do not favor any measurable
precipitation.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
Dry high pressure will dominate through Thursday night
preventing precipitation and supporting near or below normal
temperatures. By the end of the work week, high pressure will be
pushing off the East Coast allowing moisture to increase across
the Southeast. Aloft, a trough will dig into the central US and
promote SW mid-level flow over the region. The surface low
associated with the upper level trough will develop west of the
forecast area and may bring a cold front through the Southeast
near the end of the long term. This pattern generally favors
near or above normal temperatures and a high chance of showers
Friday and Saturday.

&&

.AVIATION /03Z MONDAY THROUGH FRIDAY/...
High confidence in VFR conditions through the period.

High pressure along with cooler and drier air have built into
the region which will keep skies clear through the period. Wind
gusts have diminished however winds will continue veering to
northerly over the next couple of hours with speeds remaining 6
to 9 knots through the end of the period. With the drier air
and light winds fog is not expected tonight.

EXTENDED AVIATION OUTLOOK...No significant impacts to aviation
expected through Friday.

&&

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

&&

$$