Area Forecast Discussion
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000 FXUS61 KPBZ 280105 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 905 PM EDT Thu Oct 27 2016 .SYNOPSIS... Building high pressure will ensure dry, but cool weather for Friday. Warmer temperature can be expected for Saturday. && .NEAR TERM /THROUGH FRIDAY/...
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No major changes were needed for the late eve update as cold northwest flow maintains stratus, areas of drizzle, and stratocu in the wake of the front. Dry high pressure will eventually clear the sky late on Friday, so high temperatures were progged about 5 degrees under the averages given persistent cloud cover and cold, to neutral advection.
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&& .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... With the progressive upper level pattern, another system is expected to approach late on Saturday, but ahead of this warm advection on strong southwest low level flow will push temperatures 10 to 15 degrees above average Saturday afternoon. The mid level trough and an associated cold front will cross the region Sunday. For now have continued high chance POPs, as the available moisture still looks in doubt. Temperatures will cool back toward average. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... The upper Ohio Valley will be on the top side off strengthening mid level ridging into Wednesday, with above average temperatures. The ridge will retrograde mid week, allowing a frontal system to slide south of the region Thursday. With timing of this system in doubt, slight chance POPs were included. && .AVIATION /01Z FRIDAY THROUGH TUESDAY/... Restricted ceilings, including IFR at FKL and DUJ, will plague area ports into Friday. Building high pressure and dry advection will support improvement as Friday progresses. .OUTLOOK /FRIDAY NIGHT THROUGH TUESDAY/... General restrictions are again possible with a Sunday cold front. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$ is the U.S. government's official web portal to all federal, state and local government web resources and services.