Area Forecast Discussion
Issued by NWS Sterling, VA

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000 FXUS61 KLWX 261838 AFDLWX Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 238 PM EDT Tue Sep 26 2017 .SYNOPSIS...
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Hurricane Maria will continue to move north during the next 24 hours making its closest approach to southern Maryland Wednesday afternoon. A cold front will move across the area late Wednesday night pushing Maria out to sea. High pressure then gradually builds over the region through early next week.
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&& .NEAR TERM /THROUGH TONIGHT/...
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Low clouds along and east of I-95 will remain the main issue tonight into Wed as northeast winds strengthen in response to tightening pressure gradient. Patchy dense fog is possible over the valleys west of the Blue Ridge.
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&& .SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/...
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A few showers could spread nw into the I-95 corridor as far outer rain bands associated with Hurricane Maria move closer to southern MD. Maria is expected to make its closest approach to St. Marys county during the mid-afternoon Wed. A dry cold front will then move across the area late Wed night and early Wed pushing Maria out to sea. Temperatures will return to seasonal levels Thu into the weekend.
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&& .LONG TERM /FRIDAY THROUGH TUESDAY/...
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Friday starts out dry as surface high pressure begins to build in, but an upper trough could bring a slight chance of showers Friday night into early Saturday. Dry conditions develop Saturday and remain into Tuesday as ridge builds over our area and surface high pressure centers between the Great Lakes and New England. High temperatures will be in the low to mid 70s for most areas east of the Blue Ridge... 60s at higher elevations.
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&& .AVIATION /18Z TUESDAY THROUGH SUNDAY/...
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MVFR cigs possible at DCA, BWI, and MTN on northeast winds. Patchy dense fog possible at MRB. Otherwise, clear skies expected. A dry cold front will move across the area late Wed night or early Thu with just a wind shift. Becoming breezy on Thu with gusts over 20 knots. VFR conditions expected Friday into Sunday. Some showers possible Friday night.
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&& .MARINE...
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SCA conditions only occurring at Point Lookout as of now, but winds expected to strengthen through Thu. SCA conditions expected everywhere on Thu. Chance of gales appears low at this time. Small craft advisory expected early on Friday for some zones of our waters. Wind gusts are expected to decrease later on Friday and remain below criteria into Sunday. Small craft advisory expected early on Friday for some zones of our waters. Wind gusts are expected to decrease later on Friday and remain below criteria into Sunday.
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&& .TIDES/COASTAL FLOODING...
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Minor coastal flooding expecte at Straits Point for the next several high tide cycles.
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&& .LWX WATCHES/WARNINGS/ADVISORIES...
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DC...None. MD...Coastal Flood Advisory until 10 AM EDT Wednesday for MDZ017. VA...None. WV...None. MARINE...Small Craft Advisory from midnight tonight to 6 PM EDT Wednesday for ANZ533-541-542. Small Craft Advisory until 6 PM EDT Wednesday for ANZ534-537- 543.
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&& $$ SYNOPSIS...LFR NEAR TERM...LFR SHORT TERM...LFR LONG TERM...IMR AVIATION...IMR/LFR MARINE...IMR/LFR TIDES/COASTAL FLOODING...LFR

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