Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Columbia SC
127 PM EDT Monday Oct 20 2014
cool dry high pressure currently centered over the forecast area
will shift off the coast later today. A dry cold front will cross
the area Tuesday. Dry high pressure will return Wednesday through
the end of the week.
Near term /through tonight/...
high pressure will dominate with clear skies and light to calm
winds. Temperatures to rise into the 70s this afternoon with overnight
lows back into the middle 40s to around 50.
Short term /Tuesday through Tuesday night/...
models continue to indicate upper energy will dive down
from the Great Lakes region southeast into the middle Atlantic Tuesday...with
upper low closing off to our northeast. Surface cold front will
cross the area late Tuesday/Tuesday nt. With a very dry atmosphere
initially in place...it continues to appear that moisture return
ahead of this system will be limited for our region. Will continue
to keep forecast dry. Forecast highs Tuesday will range from the
middle 70s north to around 80 south.
Long term /Wednesday through Monday/...
upper and surface lows off the middle-Atlantic coast will gradually
shift northeast...while high pressure over the MS River Valley
ridges into our area from the west. This will provide a continued
cool and dry flow through the weekend. Temperatures will
gradually moderate to near normal by Friday into early next
weekend with weak high pressure settling into the region.
Aviation /17z Monday through Friday/...
VFR conditions expected to continue through the period.
Clear skies for the majority of the region will continue through the
night. A few afternoon cumulus will develop along the coast as
onshore flow increases. Light SW winds are expected the rest of the
day becoming calm overnight. Light southerly winds and clear skies
over the region Tuesday.
Extended aviation outlook...
no impacts to aviation expected.