Area Forecast Discussion
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000 FXUS61 KPBZ 260205 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 1005 PM EDT Tue Oct 25 2016 .SYNOPSIS... Dry conditions will persist until low pressure brings rain to the region Wednesday night and Thursday. && .NEAR TERM /THROUGH WEDNESDAY/... Areas of patchy frost will be possible overnight as light winds and scattered clouds will allow temperatures to drop down close to dewpoints which are currently near or or below freezing. No headlines are planned as the growing season has been declared ended given the region is two weeks beyond the median freeze date. Cloud cover will increase on Wednesday as low pressure approaches from the west, however, dry conditions will continue through the day with as the lower levels remain relatively dry until winds aloft become southwesterly Wednesday night. && .SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/... Low pressure will track from Chicago to Lake Erie and up to Lake Ontario Wednesday night and Thursday, bringing a cold front through the region. Continued with likely to categorical pops during that timeframe, and cannot rule out some snowflakes near Forest County. A non-diurnal temperature curve will see temperatures decreasing Wednesday evening, then slowly rising overnight. While the bulk of precipitation will move east by Thursday evening, colder air moving into the region will allow for scattered lake-effect showers, although there may not be a long enough period with a northerly component of winds to tap into much Lake Erie moisture. These showers should wrap up by Friday afternoon. Temperatures will remain below normal through the period. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... Still a bit of model uncertainty with a system moving along the US-Canadian border through the weekend, and while pops remain in the forecast, have lowered pops slightly as the entire system appears to have a track slightly farther to the north. High pressure will move across the eastern United States Monday and Tuesday, yielding dry weather. Saturday and Tuesday should have temperatures a few degrees above normal, with seasonal temperatures Sunday and Monday. && .AVIATION /02Z WEDNESDAY THROUGH SUNDAY/... VFR and light wind will dominate the remainder of the TAF period as high pressure dominates the region. .OUTLOOK /WEDNESDAY THROUGH SUNDAY/... The next chance for general restrictions will come late Wednesday with low pressure advancing out of the midwest. && .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.