Area Forecast Discussion
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000 FXUS61 KPBZ 281105 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 705 AM EDT Tue Mar 28 2017 .SYNOPSIS... Showers will plague the Upper Ohio Region today with crossing low pressure. && .NEAR TERM /UNTIL 6 PM THIS EVENING/...
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The morning update included minor adjustments to POPs based on latest radar and hi-res model trends. Forecast remains on track and previous discussion follows. Low pressure is progged to track across the Upper Ohio/Mid Atlantic Regions today. Showers will thus persist until the exiting system pulls a cold front across the area during the afternoon and early eve. Warm conditions will be maintained though until passage of that front. Expect highs today about 10 degrees above the seasonal averages despite clouds and precip.
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&& .SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY/... As high pressure moves over the Great Lakes, cooler and drier air will filter over the region. Despite the temperature moderation, readings a few degrees above the averages can be expected. Rain chances are expected to increase again by late Thursday with the advance of the next low. && .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/... Another emerging Plains closed low is forecast to spread rain across much of the eastern CONUS during the latter half of the week. Expect a brief period of dry weather behind that system next weekend before redeterioration for the start of the work-week. Seasonal temperatures are expected for the period. && .AVIATION /11Z TUESDAY THROUGH SATURDAY/... Rain showers will expand in coverage this morning as low pressure crosses the region with MVFR conditions expected. A period of IFR is also likely around dawn for the terminals along and north of the low track. These restrictions will be mainly in ceilings, though some reduction in visibility is anticipated in heavier showers/fog through mid morning. While some improvement is expected through the day, MVFR conditions should linger for the duration of the 24-30hr forecast. Light and variable wind direction will shift to wnw with the passage of the cold front late this afternoon. Outlook... Restrictions are likely again by late week as another broad low affects the Upper Ohio Valley. && .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.