Area Forecast Discussion
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000 FXUS61 KPBZ 190809 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 409 AM EDT Fri Aug 19 2016 .SYNOPSIS... Seasonal temperatures with an isolated shower or thunderstorm through Saturday. A cold front will bring widespread showers and thunderstorms Sunday and eventually much lower humidity. && .NEAR TERM /UNTIL 6 PM THIS EVENING/...
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Moisture will slowly spread back over the region today. A late day isolated to scattered shower or storm cannot be ruled out, but lift will be sparse with weak ridging aloft. Temperatures will be close to seasonal averages.
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&& .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... Deep moisture will increase Saturday in southerly flow ahead of an approaching mid-level trough and cold front. Afternoon chance POPs Saturday along with increasing humidity. Good model agreement on strong mid-level trough and cold front Sunday, but settling on the exact time is still in flux. Boundary will bring widespread showers and thunderstorms to the region. Still humid Sunday ahead of the front. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... High pressure will give cooler and less humid conditions through the middle of next week. Low confidence toward the end of the period, as models are still trying to solve the timing and location of the next front. && .AVIATION /08Z FRIDAY THROUGH TUESDAY/... Convective debris cirrus is currently advecting toward the area and should cover most sites within the next few hours. This will likely inhibit temperature falls a bit and prevent substantial fog development. Still fairly widespread MVFR visibilities are expected overnight toward sunrise, however stratus should be prevented and very low visibilities seem unlikely. That said, abundant sunshine should bring VFR conditions again quickly after sunrise. Fries .OUTLOOK /FRIDAY NIGHT THROUGH TUESDAY/... The next chance for widespread restrictions will come with a strong cold front Saturday night and Sunday. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$

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