Area Forecast Discussion
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000 FXUS61 KPBZ 152207 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 607 PM EDT Fri Sep 15 2017 .SYNOPSIS... Although an isolated shower cannot be ruled out this weekend in higher elevations, dry and warmer weather can be expected through the next seven days. && .NEAR TERM /THROUGH SATURDAY/... Skies remain partly to mostly cloudy this afternoon, but more substantial clearing is expected to occur overnight. Fog is expected once again tonight, but is not forecast to be quite as widespread or dense as conditions were this morning. && .SHORT TERM /SATURDAY NIGHT THROUGH SUNDAY NIGHT/...
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Minor updates to the early evening forecast to add mention of isolated showers across the eastern fringes of the forecast area based off current radar and recent short term guidance trends. Previous.. Not much coherency to the pattern across the region during the weekend, with a weak upper trough along with a weak surface high. Cannot rule out an isolated afternoon shower in the higher terrain of PA/MD/WV, but dry weather is expected elsewhere. With less cloud cover, temperatures will rise back towards 80 degrees for highs and 60 for lows.
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&& .LONG TERM /MONDAY THROUGH FRIDAY/... An upper ridge will build across the eastern United States next week, between a large upper low across the western United States and Jose in the Atlantic Ocean. The ridge should keep the weather dry and warm through the extended forecast. && .AVIATION /22Z FRIDAY THROUGH WEDNESDAY/... With very little mixing to speak of, ceilings will only gradually continue to lift through this evening. The borderline MVFR stratocu will then mostly dissipate near or just after sunset. Very little change in the present airmass and calm winds mean another round of fog is expected for Saturday morning. While it is not expected to be as widespread as this morning`s fog, there will more than likely be restrictions seen for many ports. Gradual improvement is then expected heading into midday Saturday. Winds will remain light and variable through the period. .Outlook... Conditions will gradually improve into the weekend as high pressure begins to take hold. && .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.