Area Forecast Discussion
Issued by NWS Sterling, VA
FXUS61 KLWX 281446
Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
1046 AM EDT Fri Oct 28 2016
High pressure over Ohio will build over the area through Saturday
before dropping south. A cold front will cross the area Sunday
afternoon. High pressure builds into the region again for the
first part of the new week.
.NEAR TERM /THROUGH TONIGHT/...
Low pressure is located near Cape Cod with high pressure centered
over Ohio. The tight pressure gradient behind these are keeping it
breezy today. Temps will range from the mid to upper 50s across
the north to the low to mid 60s across Central VA today.
High pressure briefly moves overhead tonight while warm air
advection begins aloft. Temps in the low to mid 40s expected
.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
A very pleasant weekend is in store.
High pressure moves south of the region Saturday and southerly
flow is expected. Mostly sunny conditions and warmer air aloft
will lead to temps rising into the 70s Saturday afternoon.
By Saturday night...mid-high level clouds are going to move into the
region from the north as a cold front slowly sags southward from New
England. Dry conditions are expected into Sunday. The cold front
will move into central PA by Sunday afternoon resulting in another
warm day across the Mid-Atlantic region. Temps are expected to rise
into the 70s again Sunday. At this time the cold front should move
through the Mid-Atlantic region Sunday night and showers are
possible during this time.
.LONG TERM /MONDAY THROUGH THURSDAY/...
Ridge of high pressure will amplify from the southeast into the
mid-Atlc states the first half of the work week leading to a
warming trend with 80F deg temps a good possibility by Wed. Ridge
begins to break down Thu as a strong shortwave-trough digs across
the OH valley and northeast states. Showers appear possible Thu-
Thu night as this trough moves across the area with temps
returning back to the 60s for the end of next week.
.AVIATION /15Z FRIDAY THROUGH TUESDAY/...
VFR conditions expected through Sunday. NW winds will continue
behind an exiting cold front today. Gusts up to 25 kts are
possible through 18z today. Mostly clear conditions expected
through Saturday morning. Mid-high level clouds will start to move
into the region Saturday afternoon into Sunday. A cold front will
move through the terminals Sun night-Monday and a few showers are
VFR conditions expected Mon and Tue.
Small Craft Advisory remains in effect through early evening.
Northwest winds expected on the waters with peak gusts likely
25-30 knots this morning. High pressure building into the area
will allow for winds to diminish Friday evening. Winds become
southerly Saturday, however, they should stay below SCA criteria.
Winds should remain below Small Craft Advisory levels Sunday into
Monday as a front stalls just south of the area, although gusts
could approach Small Craft Advisory thresholds Monday in brief
northerly channeling behind a weak cold front.
Winds below SCA expected Mon through Wed.
MARINE...Small Craft Advisory until 6 PM EDT this evening for
Small Craft Advisory until 8 PM EDT this evening for ANZ533-