Area Forecast Discussion
Issued by NWS Sterling, VA

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371 FXUS61 KLWX 130800 AFDLWX Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 400 AM EDT Sun Aug 13 2017 .SYNOPSIS... The cold front which pushed through the area will become stationary across the Carolinas early in the week. Weak high pressure builds over the area Sunday and holds through mid week. A weak frontal boundary will move into the Mid Atlantic late in the week. && .NEAR TERM /TODAY/... As of 3am, the cold front has cleared the CWA with sprinkles lingering from southern Nelson to the Point Lookout. A broad west to east jet streak extends from NY state to central VA. The southern half, south of the Mason-Dixon line features high clouds streaming overhead. The jet streak shifts offshore through the morning, so the back edge of the clouds (currently over KY) looks to linger through midday. Heavier MAV in temperature blend given it`s prowess in recent days. High pressure shifts east from Chicago to Lake Erie today. North flow mixes down 14C 850mb temps for mid 80s highs today. && .SHORT TERM /TONIGHT THROUGH TUESDAY NIGHT/... High pressure center shifts east across the NY/PA border tonight through Monday. However, the stationary front remains south of the area through at least Tuesday. Onshore flow Monday allows chance PoPs for the eastern slopes of the Blue Ridge in central VA. Min temps mid 60s and max temps mid 80s through Tuesday. && .LONG TERM /WEDNESDAY THROUGH SATURDAY/... High pressure over the region Wednesday. Area will see plenty of sunshine with highs in the upper 80s. Low pressure is expected to slide across the eastern Great Lakes into New England Thursday. An attendant frontal boundary will drop into the Mid Atlantic bringing increased cloud cover with the chance of showers/thunderstorms. Clouds should diminish as the weekend approaches. Temperatures should be around climatological norms for mid August. && .AVIATION /07Z SUNDAY THROUGH THURSDAY/... Tranquil/VFR as high pressure shifts east across the northern Mid- Atlantic through Monday night. VFR conditions expected Wednesday and Thursday. && .MARINE... NW flow behind a cold front generally 15 knots rest of the overnight...easing to 10 knots after sunrise. High pressure builds north of the area through Monday with flow shifting onshore. Winds expected to remain below SCA values Wednesday/Thursday. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...None. MD...None. VA...None. WV...None. MARINE...None. && $$ PRODUCTS...BAJ/WOODY! is the U.S. government's official web portal to all federal, state and local government web resources and services.