Area Forecast Discussion
Issued by NWS Sterling, VA

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367 FXUS61 KLWX 251910 AFDLWX Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 310 PM EDT Mon Sep 25 2017 .SYNOPSIS...
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High pressure will slowly weaken its grip over the area Tuesday and Wednesday as Hurricane Maria moves northward through the western Atlantic. A cold front will move through Thursday, bringing more seasonable temperatures for the end of the week. Little if any rain is expected.
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&& .NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
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Ridge of high pressure will hold through tonight although it will be weakening. Patchy late night fog is possible again overnight, otherwise mostly clear skies are expected.
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&& .SHORT TERM /6 AM TUESDAY MORNING THROUGH WEDNESDAY NIGHT/...
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Clouds associated with Hurricane Maria will spread northwestward early Tue morning and as far west as the Blue Ridge mountains. There could be a few showers in southern MD, otherwise thickening clouds.
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&& .LONG TERM /THURSDAY THROUGH MONDAY/...
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Conditions will be dry for Thursday into Friday with cold front to our east and high pressure building from the west over our area. In the meantime, Hurricane Maria will be moving away from the US east coast. An upper trough could bring some showers over our area late Friday into Saturday, but dry conditions return for the rest of the long term period with high pressure building in over our region. High temperatures will be near normal around 70s or 80s... colder at higher elevations.
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&& .AVIATION /19Z MONDAY THROUGH SATURDAY/...
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Except for some patchy late night fog, VFR conditions are expected. VFR conditions expected Thursday into Saturday. Some showers possible Friday night.
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&& .MARINE...
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Winds will strengthen tonight through Wednesday as pressure gradient tightens in response to approaching Hurricane Maria. A cold front will move through the area early Thu with gales possible. Winds will diminish Thu night. Small craft advisory expected Thursday into Friday for some zones of our waters. Lighter wind gusts expected for Saturday.
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&& .TIDES/COASTAL FLOODING... && .LWX WATCHES/WARNINGS/ADVISORIES...
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DC...None. MD...Coastal Flood Advisory from 6 PM to 8 PM EDT this evening for MDZ017. VA...None. WV...None. MARINE...Small Craft Advisory from 7 AM to 6 PM EDT Tuesday for ANZ533- 534-537-541>543.
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&& $$ SYNOPSIS...LFR NEAR TERM...LFR SHORT TERM...LFR LONG TERM...IMR AVIATION...IMR/LFR MARINE...IMR/LFR/DFH TIDES/COASTAL FLOODING...LFR

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