High pressure expanded into the region on Monday and it’ll result in another day with dry, breezy and chilly conditions in the Mid-Atlantic region. A couple of weak cold fronts will pass through the region during the second half of the week with reinforcing cold air masses to follow. High pressure will then push back into the region during the upcoming weekend and continue our generally dry and chilly weather pattern in the Mid-Atlantic region.
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High pressure builds into the region today and it’ll result in generally dry and chilly conditions along with a noticeable breeze at times. A couple of weak cold fronts will pass through the region during the second half of the week with reinforcing cold air masses to follow. High pressure will push back into the region during the upcoming weekend and continue our generally dry and chilly weather pattern in the Mid-Atlantic region.
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A strong cold front will approach the region later today and it’ll tend to slow down as it reaches the eastern seaboard which will allow for the formation of low pressure along the east coast. As a result, showers are possible here by late in the day and occasional rain is likely tonight. It’ll remain unsettled on Saturday behind the front as an upper-level wave of energy passes overhead and there can be some rain and/or snow shower activity in the Philly metro region. Winds will become rather strong in the wake of the frontal passage and should last right through the weekend. Another wave of energy aloft will head this way on Monday and it could generate another shower or two of rain and/or snow.
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An energetic stretch of weather is coming to the Mid-Atlantic region with the arrival of a strong cold front on Friday night that will lead to periods of rain and a possible thunderstorm or two. On Saturday, deepening low pressure in the upper atmosphere will pass overhead leading to somewhat unsettled conditions with increasing winds and a possible snow shower or two. The air turns colder on Saturday and the wind will become noticeable out of the northwest and snow showers will be possible at any time. While there will be some sunshine on Sunday, winds will remain quite noticeable and it’ll remain on the chilly side in the Mid-Atlantic region.
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High pressure remains in control for another day and then a strong cold front will approach the region late Friday. This front will slow down as it heads towards the eastern seaboard at week’s end and this will allow low pressure to form along the advancing frontal boundary zone. As a result, rain is likely around here early Friday night and, as colder air filters in, there can be some snow and/or rain shower activity late Friday night and at any time on Saturday as a wave of energy moves overhead. Another disturbance can produce another shower or two around here on Monday following a quiet, chilly day on Sunday.
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High pressure remains in control for another couple of days and then a strong cold front will approach the region late Friday. This front will slow down as it heads towards the eastern seaboard at week’s end and this will allow low pressure to form along the advancing frontal boundary zone. As a result, rain showers are likely here early Friday night and, as colder air filters in, there can be some snow shower activity late Friday night and Saturday.
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The next few days will be rather quiet and chilly around here with high pressure in control. A strong cold front will cross the Midwest on Thursday and arrive in the eastern states at week’s end. This frontal system will usher in a colder air mass for the upcoming weekend and the overall weather pattern will become colder for the second half of January.
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A stratospheric warming event that began several weeks ago has set off a chain of events in the atmosphere to bring some severe cold and snow to portions of Europe and Asia in recent days. Meanwhile, much of the northern part of the US has experienced above-normal temperatures in the first ten days of January, but the overall pattern is undergoing some important changes that will likely result in much colder weather during the second half of the month. Specifically, the overall pattern aloft will evolve into one which features high-latitude blocking across Greenland/northeastern Canada and high pressure ridging across the west coasts of Canada and the US. This change will allow for the transport of very cold air masses from northern Canada into the central and eastern US as we progress through the latter half of January.
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The next few days will be rather quiet and chilly around here with high pressure generally in control. There is a low pressure system that is now headed towards the Carolinas, but it should stay well to the south of our region and move out into the western Atlantic. A cold front will cross the region at week’s end and that frontal passage will usher in a colder pattern for the last half of January.
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Low pressure today will head towards the Carolinas and produce snow in the southern Appalachians from northeastern Georgia to southwestern Virginia, but it will not have any impact on the DC-to-Philly-to-NYC corridor as it continues on a northeasterly track and heads to the western Atlantic Ocean. High pressure will resume control this weekend and then low pressure will pull out of the southern US early next week and it remains to be seen as to how far north it'll come - something to monitor in coming days.
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