It’ll be another warm day in the Mid-Atlantic region as we close out the work week and there will be some sunshine after early morning clouds and patchy fog. A cold front will pass through the region tonight and its passage will knock some 15 degrees or so off of tomorrow’s high temperatures when compared to today. It becomes unsettled from tomorrow night right into the middle of next week with the threat for occasional showers on a daily basis as multiple systems come our way.
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A warm front passed through the region late yesterday and it will be noticeably milder today with some developing sunshine. The next cold front will arrive tomorrow night and cooler air will return to the area to begin the "turn the clocks back" weekend. The weather will get somewhat unsettled for the second half of the weekend and the early part of next week with the threat for occasional showers.
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High pressure will push off the coast by tomorrow and this will allow for a bit of a warm up after an ugly day today with lots of clouds, chilly conditions and possible light shower activity. Today’s temperatures will generally be confined to the 50’s, but they should approach the 70 degree mark on Thursday and Friday. A cold front will slide through the region on Friday night and it’ll turn a bit cooler again for the weekend.
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A cold front passed through the region in the overnight hours and chilly high pressure will take over for the mid-week. Once the high pushes off the coast, it’ll turn warmer again later this week and we should get back to 70 degrees for highs. Another cold frontal passage on Friday night will cool us down for the upcoming weekend.
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Strong low pressure has moved northward into the interior Northeast US and strong NW winds today will usher in a cool air mass for this time of year. It’ll stay moderately cool over the next couple days as high pressure builds into the area, but we should get back to just under 70 degrees for highs later this week.
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A major coastal storm is still in the works for later Sunday/Sunday night in the Mid-Atlantic/Northeast US and it will contain some tropical moisture from “Invest 93L” and cold air will be pouring in on its western flank into the Tennessee and Ohio Valleys. This storm should bring significant rainfall to the DC-Philly-NYC corridor with the highest amounts on the northeast end and the lowest amounts to the southwest. There will likely be two separate periods of strong winds in the Mid-Atlantic from this storm – one in the warm sector and the second following the passage of the strong cold front.
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A major coastal storm is in the works for later Sunday and Sunday night in the Mid-Atlantic/Northeast US and it will feature the entrainment of tropical moisture to its south and east and the intrusion of cold, polar air to its west and north. This coastal storm could bring several inches of rain to portions of the interior Northeast US, significant rainfall to the DC-Philly-NYC corridor, and even some accumulating snow to the higher elevations of the Appalachians. Strong winds will also become an important feature in this unfolding scenario; especially, for coastal New Jersey, Long Island and southern New England.
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A major coastal storm is in the works for the Sunday/Monday time frame in the Mid-Atlantic/Northeast US and it will likely feature the entrainment of tropical moisture to its south and east and the intrusion of cold, polar air to its west and north. This potential storm could bring several inches of rain to portions of the Northeast US, significant rainfall to the DC-Philly-NYC corridor, and even some accumulating snow to the higher elevations of the Appalachians.
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The wild weather pattern that we talked about last week has begun to unfold and the eastern US will have some very interesting weather later this weekend and early next week. A significant rain event is increasingly likely for the Mid-Atlantic region late in the weekend as deep upper-level low pressure forms in the eastern US and strong surface low pressure develops near the coastline. This potential major coastal storm may very well be juiced up by tropical moisture as the western Caribbean Sea is currently showing some life and this particular tropical system may just ride up along the east coast and get entrained into the coastal storm. In the meantime, cold air will be charging to the southeast by the latter part of the weekend across the Upper Midwest and Great Lakes. This incoming cold air mass will also get involved in the overall pattern and the result could be some snow accumulation in the higher elevations of West Virginia and southwestern Pennsylvania. The colder-than-normal air that arrives on Monday in the I-95 corridor behind the passage of a strong cold front looks like it’ll stick around for awhile including for Halloween day (Tuesday). In fact, the first half of November is likely to feature multiple cold air outbreaks for the central and eastern US.
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High pressure will build into the region for the rest of the work week and it’ll be a bit cooler than recent days. It is looking increasing likely that a significant rain event is going to unfold for the Mid-Atlantic region by Sunday – all ahead of the next cold shot - as low pressure forms along an incoming frontal boundary zone. On Monday, NW winds will usher in cold air for this time of year after the passage of a strong cold front.
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