Area Forecast Discussion
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424 FXUS61 KPBZ 210508 AAC AFDPBZ Area Forecast Discussion...UPDATED National Weather Service Pittsburgh PA 108 AM EDT Thu Sep 21 2017 .SYNOPSIS... High pressure will maintain warm, and generally dry weather into early next week. && .NEAR TERM /THROUGH TODAY/...
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No changes to the overnight period. Dry and warm weather expected today.
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&& .SHORT TERM /TONIGHT THROUGH SATURDAY/...
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Mid/upper ridging will enhance over the Eastern U.S. in response to Western troughing and TS Jose. Dry and warm weather will thus prevail through Saturday. Expect temperatures about a dozen degrees above the averages.
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&& .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
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Little change is foreseen in the overall circulation pattern through at least Tuesday, with the western trough/eastern ridging pattern persisting. The upper ridge may start to be knocked down by and approaching Upper Midwest shortwave by the end of the period, but any frontal precipitation likely won`t arrive until after Wednesday.
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&& .AVIATION /05Z THURSDAY THROUGH MONDAY/... VFR should deteriorate to IFR in fog overnight/early Thu morning as crossover temps are reached, and as moisture pools along a weakening sfc boundary across Wrn PA through Nrn OH. A building ridge and mixing should return VFR Thu morning through the rest of the TAF period. .Outlook... Other than local morning fog, no widespread restrictions expected under high pressure. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$

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