Area Forecast Discussion
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000 FXUS61 KPBZ 220110 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 910 PM EDT Thu Sep 21 2017 .SYNOPSIS... High pressure should maintain warm and dry weather through the middle of next week. && .NEAR TERM /THROUGH FRIDAY/...
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Minor forecast adjustments based on observations and near term models for the late eve update. Previous...Warm and dry weather is expected under a building ridge. Areas of fog are expected again late tonight and early Friday morning as crossover temps are reached. Temperatures should average 10-15 degrees above seasonal levels.
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&& .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... Upper ridge will continue to build across the eastern half of the country between a large trough in the western United States and a decaying Tropical Storm Jose. Temperatures should continue to average 10 to 15 degrees above seasonal levels. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... Dry weather continues through at least Tuesday night with no change in the pattern. The ECMWF/GFS differ between Wednesday and Thursday in the timing of a surface front that would bring a chance of showers. Temperatures will stay above average until the front passes. && .AVIATION /01Z FRIDAY THROUGH TUESDAY/... High pressure will maintain VFR and light wind with exception for peri-dawn fog. .Outlook... No widespread restrictions are expected with high pressure over the region. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$

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