Area Forecast Discussion
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000 FXUS61 KPBZ 280401 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 1201 AM EDT Tue Mar 28 2017 .SYNOPSIS...
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Rain is expected tonight and Tuesday with crossing low pressure. Dry weather is expected with mid week high pressure.
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&& .NEAR TERM /THROUGH TODAY/...
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The only changes needed for the midnight update were tweaks to hourly trends of POPs based on the latest radar trends. 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 /TONIGHT THROUGH THURSDAY/...
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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.
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&& .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
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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.
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&& .AVIATION /04Z TUESDAY THROUGH SATURDAY/...
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Approaching low pressure will bring another period of rain to region terminals today. Expect deterioration through MVFR during the predawn hours to a period of IFR for most terminals. Fog/drizzle and low ceilings may linger into the evening as a cold front shunts the main rain shield out of the area. Outlook... Restrictions are likely again by late week as another broad low affects the Upper Ohio Valley.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$ 15

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