The interesting and active weather pattern of recent weeks will continue into at least the middle of the month with two storm threats on the table for next week in the central and eastern US. The first storm threat for the Mid-Atlantic/Northeast US will come during the early part of next week and an even bigger threat comes at mid-week with the greatest potential impact. In fact, the mid-week storm could turn out to be a major snowstorm for a large part of the Mid-Atlantic/Northeast US. In the short term, the weather turns milder in much of the eastern half of the nation, but a colder air mass is going to filter into the northeastern quadrant during the early part of next week following the late weekend (uneventful) passage of a cold front.
Teleconnection indices such as the Arctic Oscillation (AO) and North Atlantic Oscillation (NAO) are supporting the idea of “high-latitude blocking” to get well-established by the middle of next week which, in turn, supports the idea for strong high pressure to build across southeastern Canada – always a key factor to the prospects of getting accumulating snowfall in the I-95 corridor. In this time period, two separate waves of energy will cross the southern states and then move northeastward towards the Mid-Atlantic coastline. With a cold air source building to the north across the southeastern part of Canada by the middle of next week, this type of setup could result in significant accumulating snow for at least parts of the Mid-Atlantic/Northeast US.
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High pressure has taken control of our weather and will result in milder conditions around here as we head into the weekend. Low-level winds will shift to a southerly direction today as the high shifts off the eastern seaboard and we’ll stay mild on both weekend days just ahead of the next cold frontal system. The weekend cold frontal passage will be accompanied by a few showers and then a colder air mass will build into the region early next week. The overall weather pattern will remain very active next week with two storm threats to monitor - one on Monday and the second on Wednesday - and enough cold air will be around to allow for the possibility of snow getting involved in either system.
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The interesting and active weather pattern of recent weeks will continue into at least the middle of the month with multiple storm threats on the table for next week in the central and eastern US. The first storm threat for the Mid-Atlantic/Northeast US will come during the early part of next week and perhaps the bigger threat comes at mid-week. The weather turns milder over the next few days in much of the eastern half of the nation, but a colder air mass is likely to arrive in the northeastern quadrant during the early part of next week following the late weekend passage of a cold front. Teleconnection indices such as the Arctic Oscillation (AO) and North Atlantic Oscillation (NAO) are supporting the idea of “high-latitude blocking” to get established by the middle of next week which, in turn, supports the idea for high pressure to build across southeastern Canada. At this same time, two separate waves of energy are likely to cross the southern states and move northeastward towards the eastern seaboard. With a cold air source building to the north across southeastern part of Canada, this type of pattern could result in accumulating snow in at least part of the Mid-Atlantic/Northeast US.
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High pressure will take control of the weather around here for the next couple of days and a warming trend will begin and continue right into the upcoming weekend. The next cold front will approach during the second half of the weekend likely accompanied by some rain shower activity in the Mid-Atlantic region. A colder air mass arrives here on Monday after the passage of the cold front and we’ll have to watch for the possibility of low pressure forming near the east coast by the middle of next week.
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A cold front is approaching the Mid-Atlantic region and it is accompanied by a strong wave of energy in the upper part of the atmosphere and a powerful jet streak. As a result, snow showers have broken out across much of the Northeast US and Mid-Atlantic region and they are dropping southeastward at this hour towards the DC-to-Philly-NYC corridor. There is the chance for a heavier burst of snow in some spots which can cause small accumulations and quickly developing slick spots on the roadways. High pressure resumes control of the weather for the latter part of the work week.
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A cold front will approach the region today from the northwest and it has some support in the upper part of the atmosphere with a robust wave of energy and a powerful jet streak. As a result, there can be some snow shower activity in the region primarily from later this morning into the mid-afternoon hours. Small snow accumulations are possible in some areas along with quickly developing slick spots on roadways. There can be rain mixed in at times as well later in the day. Skies will clear tonight and high pressure will take control for the latter part of the work week. It turns milder this weekend ahead of the next strong cold frontal system which is likely to be accompanied by some rain shower activity in the Mid-Atlantic region. A colder air mass arrives early next week after the passage of the weekend cold front and we'll have to monitor a possible threat of low pressure near the eastern seaboard.
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A cold front will arrive in the Mid-Atlantic region on Wednesday and it will be accompanied by a strong wave of energy in the upper part of the atmosphere and a powerful jet streak. As a result, snow showers can break out on Wednesday; primarily, in areas near and to the north of the PA/MD border region, and there is even the chance for small accumulations in some spots. High pressure resumes control of the weather for the latter part of the work week.
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Low pressure pushed away from the Carolina coastline on Monday and strengthened out over the open waters of the western Atlantic Ocean. After a stubborn deck of clouds retreats later this morning, sunshine should return during the afternoon hours, but it'll remain cold and there will be increasingly breezy conditions. A cold front will approach the region later tonight and it could spawn some shower activity on Wednesday in the form of either snow or rain or perhaps a combination of the two. High pressure will build into the region for the latter part of the week and it'll turn milder this weekend ahead of the next cold front. The weekend cold front is likely to be accompanied by some shower activity in the Mid-Atlantic and it'll be followed by a colder air mass for the early part of next week.
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Clouds this morning will give way to partial sunshine as low pressure pushes away from the Carolina coastline and strengthens out over the western Atlantic Ocean. An area of high pressure will build into the region on Tuesday and dominate our weather pattern right into the upcoming weekend. A frontal system will likely arrive late in the weekend and it may be accompanied by some rain activity in the Mid-Atlantic region.
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Low pressure will pull out of the southern states today and intensify as it heads to a position just off the Mid-Atlantic coastline by early tomorrow. There can be occasional light rain here today and the rain should become steadier and heavier from tonight into Saturday. The heaviest rain from this developing system will be across central and coastal New Jersey. There is an outside chance that it gets cold enough around here later tomorrow for the rain to briefly mix with or change to sleet and/or snow in the far northern and western suburbs. Cold and dry weather should follow the storm around here to close out the weekend and then we'll have to watch another system on Monday that will push out of the Gulf of Mexico and towards the east coast.
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