Area Forecast Discussion
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355 FXUS61 KPBZ 300408 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 1208 AM EDT Tue Aug 30 2016 .SYNOPSIS... Warm and dry weather is expected until the passage of a mid week cold front. Below seasonal average temperatures and less humid conditions are expected for late week. && .NEAR TERM /THROUGH TODAY/... High pressure should maintain dry and warm weather today as it slides east across the northeastern CONUS. After near average morning lows, highs should return to levels around 5 degrees above the seasonal averages. && .SHORT TERM /TONIGHT THROUGH THURSDAY/... Main weather maker through this part of the forecast will be a cold front moving across the region Wednesday into Wednesday night. Models are showing the front making a slightly later arrival, and have also delayed arrival of pops slightly in the forecast. The main focus will be during the afternoon and evening hours. Have stuck with broad chance pops as forcing does not appear to be terribly strong with this system. With only light precipitation expected, the bigger impact from the front will likely come from the lower temperatures that will be ushered in, with high temperatures remaining in the 70s on Thursday. && .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/... High pressure will be the dominant feature through the extended resulting in dry conditions and plenty of sunshine. Temperatures will start out slightly below normal and trend warmer each day as heights build. Limited cloud coverage will allow for a broad diurnal range in temperatures with abundant sunshine during the day and strong radiational cooling at night. && .AVIATION /04Z TUESDAY THROUGH SATURDAY/... VFR conditions are expected for most of the TAF period. Some MVFR or even IFR fog is possible south of PIT around daybreak as dewpoints remain a bit higher in this area, making crossover temperatures more achievable. However, drier air will attempt to continue to filter in from the north, complicating the picture. Ended up adding some light fog for several terminals, but confidence is a bit low at this time. Fog will lift by 13Z with VFR conditions in thin cirrus thereafter. Winds will remain light through Tuesday. .OUTLOOK /TUESDAY NIGHT THROUGH SATURDAY/... Restrictions will be possible with a cold front Wednesday into Wednesday night. && .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.