Area Forecast Discussion
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662 FXUS61 KPBZ 271921 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 321 PM EDT Mon Mar 27 2017 .SYNOPSIS...
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Rain is expected tonight and Tuesday as low pressure crosses the region. Dry weather and near seasonal temperatures are expected by mid week before another round of rain begins Thursday night.
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&& .NEAR TERM /THROUGH TUESDAY/...
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Low pressure across Missouri will move northeast tonight, tracking across western Pennsylvania by Tuesday morning. Showers should be scattered in nature this evening before widespread rain moves in after midnight. Thunderstorms appear to be only a small threat as instability is quite limited. Showers will continue for many locations east of Ohio into the afternoon hours. Conditions will remain mild overnight and into Tuesday, although daytime highs should be a couple of degrees cooler than today with widespread cloud cover.
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&& .SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/...
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As high pressure moves over the Great Lakes, cooler and drier air will enter the region. Even this cooler air will still be slightly above normal. The high will be shunted to the east by Thursday afternoon as low pressure approaches from the west. Showers will become a threat by late Thursday afternoon.
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&& .LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
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Low pressure will bring rain into the region Thursday night, Friday, and Friday night before leaving just a slight chance of a shower by Saturday. High pressure settling back in should allow for dry conditions into Sunday. Have stuck close to SuperBlend forecast by Monday with diverging model solutions. Temperatures will remain slightly above normal.
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&& .AVIATION /19Z MONDAY THROUGH SATURDAY/... Intermittent high MVFR cloud coverage will continue before conditions deteriorate overnight into Tuesday as low pressure brings another period of rain to the region. 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. && $$

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