Area Forecast Discussion
Issued by NWS Sterling, VA

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022 FXUS61 KLWX 131412 AAA AFDLWX Area Forecast Discussion...UPDATED National Weather Service Baltimore MD/Washington DC 1012 AM EDT Sun Aug 13 2017 .SYNOPSIS... Weak high pressure will build over the area today and hold through mid week. A weak frontal boundary will move into the Mid Atlantic late in the week. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... Quiet wx for a change as high pres builds in from the north. High clouds to the southeast are expected to thin out and pull to the east by the end of the day. && .SHORT TERM /6 PM THIS EVENING 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 /14Z 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. && $$ Update...LFR Products...BAJ/WOODY!

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