Area Forecast Discussion
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000 FXUS61 KPBZ 292012 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 412 PM EDT Sat Apr 29 2017 .SYNOPSIS... Unsettled but warm weather is expected through Sunday, with a cold front expected for Monday. && .NEAR TERM /THROUGH SUNDAY/... Shortwave and area of showers and storms exiting northeast late this afternoon. As east coast ridge builds overnight into Sunday, best shower chances should be across the far north where warm front should become better defined Sunday, and then stall. More humid conditions will spread north overnight, with a taste of summer on Sunday with temperatures well into the 80s along with elevated dew points. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... Warm front will remain near the New York border through Sunday night with continued warm and humid conditions. Ridge begins to break down Monday as an occluded storm system in the western Great Lakes pushes a cold front across the region, with showers and thunderstorms with FROPA. Much cooler temperatures will arrive Tuesday, with shower chances especially toward I-80 as a closed mid level low moves into eastern Canada. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... A southern stream trough will begin to spread moistures north toward the region by later Wednesday, with shower chances into the weekend as a mean mid level trough remains across the ERN CONUS. Temperatures will trend 5 to 10 degrees below the seasonal average through late week. && .AVIATION /20Z SATURDAY THROUGH THURSDAY/...
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MVFR to IFR ceilings should persist N of PIT this evening behind an exiting shortwave/precip, with a slow improvement from S-N as shortwave ridging builds in. Elsewhere, VFR is expected through Sunday, though a few thunderstorms are possible Sun aftn with building instability. Lack of an organized trigger should limit coverage, precluding a TAF mention at this time. Winds should slowly veer to SW by Sunday. .Outlook... Restrictions are likely with a strong cold front Monday.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$

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