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 snow shower activity in the region primarily during the late morning and early afternoon hours. The highest chance for snow shower activity will be across the northern suburbs where small accumulations are possible and slick spots on the roadways. 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. It'll remain chilly today with clouds giving way to some sunshine and then a weak front will approach the area in the overnight hours. That front could generate a shower on Wednesday and then high pressure takes over for the latter part of the week and there will be a warming trend going into the weekend ahead of the next front. The weekend front may be accompanied by some shower activity in the Mid-Atlantic region 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 steadier and heavier rain from tonight into early Saturday with the highest amounts in areas south and east of the District. 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 some of the far western and northern suburbs as the storm intensifies off the Mid-Atlantic coastline and pushes to the northeast. 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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The major storm system that began the week in the Northeast US was the opening salvo in a colder and stormy weather pattern for much of the eastern half of the nation and another significant storm is in the offing for the early part of the weekend. Low pressure will pull out of the southern states on Friday and intensify as pushes to a position just off the Mid-Atlantic coastline by early Saturday. Rain is in the cards from this storm in the cities along the DC-to-Philly-to-NYC corridor and in areas to the coast; however, it will become cold enough for accumulating snow in higher elevation, interior locations of the Northeast US with the heaviest snowfall amounts likely coming to interior New England. There is an outside chance that it gets cold enough on Saturday in the I-95 corridor and coastal sections for the rain to briefly mix with or change to sleet and/or snow during the back end of the storm.
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Low pressure will pull out of the southern states on Friday and intensify as it heads to a position just off the Mid-Atlantic coastline by later Saturday. Significant rainfall is in the cards from this coastal storm in the DC metro region and in areas to the east coast. It may become cold enough for accumulating snow on Saturday in higher elevation, interior locations of the Northeast US including such areas as the Poconos (PA), Catskills (NY) and central/western New England - all good news for skiers. There is even an outside chance that it gets cold enough in the northern suburbs around here on Saturday for the rain to briefly mix with or change to sleet and/or snow on the back end of the storm.
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