The first snowflakes of the season were seen by many in the Mid-Atlantic region on Tuesday and today’s early morning temperatures are at their lowest levels for most. This is not, however, the beginning of a sustained winter weather pattern as temperatures will return to more seasonal levels on Thursday and rain can fall here on Friday. It stays seasonally cool this weekend with lots of clouds and more rain is a possibility from a couple of different low pressure systems.
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The first snowflakes of the season were seen by many in the Mid-Atlantic region on Tuesday and today’s early morning temperatures are at their lowest levels for most. This is not, however, the beginning of a sustained winter weather pattern as temperatures will return to more seasonal levels on Thursday and rain can fall here on Friday. It stays seasonally cool this weekend with lots of clouds and more rain is a possibility from a couple of different low pressure systems.
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The colder-than-normal air mass that we have been dealing with around here during the past couple of days will continue to be an influence today, but milder weather is on the way. Today’s high temperatures will likely be in the upper 40’s across northern Alabama, but then climb well up into the 50’s at mid-week and reach 60 degrees or higher late in the week along with a returning threat of showers.
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The coldest air mass of the season so far becomes more firmly established across the region today and there can be some snow shower activity as well making its way all the way into the I-95 corridor from the eastern Great Lakes. Temperatures should do no better than the middle or upper 30’s for afternoon highs and then drop to the lower 20’s late tonight – the lowest levels this season - and persistently strong W-NW winds will produce even lower wind chills. It stays on the cold and breezy side on Wednesday, but a noticeable moderation in temperatures will take place for the late week and upcoming weekend and rain will once again become a threat in the Mid-Atlantic region.
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The coldest air mass of the season so far becomes more firmly established across the region today and there can be some snow shower activity as well making its way all the way into the I-95 corridor from the eastern Great Lakes. The snow showers can hit at just about any time today and there can be quick small accumulations potentially resulting in briefly hazardous travel conditions. Temperatures should do no better than the upper 30’s for afternoon highs and then drop to the middle 20’s late tonight – the lowest levels this season - and persistently strong W-NW winds will produce even lower wind chills. It stays on the cold and breezy side on Wednesday, but a noticeable moderation in temperatures will take place for the late week and upcoming weekend and rain will once again become a threat in the Mid-Atlantic region.
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The coldest air mass of the season so far becomes more firmly established across the region today and there can be some snow shower activity as well making its way all the way into the I-95 corridor from the eastern Great Lakes. The snow showers can hit at just about any time today and there can be quick small accumulations potentially resulting in briefly hazardous travel conditions. Temperatures should do no better than the mid-to-upper 30’s for afternoon highs and then drop to the lower 20’s late tonight – the lowest levels this season - and persistently strong W-NW winds will produce even lower wind chills. It stays on the cold and breezy side on Wednesday, but a noticeable moderation in temperatures will take place for the late week and upcoming weekend and rain will once again become a threat in the Mid-Atlantic region.
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Arctic air is charging across the Great Lakes today and right toward the Mid-Atlantic region. Winds will increase markedly later today in the DC-to-Philly-to-NYC corridor following the passage of a strong cold frontal system. As the Arctic air pushes across the still relatively warm waters of the eastern Great Lakes, lake-effect snows have developed and there will be several inches of accumulation in some of the places just downstream by the middle of the week. There can even be some snow shower and snow squall activity on Tuesday all the way into the I-95 corridor as the Arctic air mass becomes firmly established. In fact, quick small accumulations are on the table in the I-95 corridor which can make for hazardous travel conditions. Temperatures will reach the lowest levels of the season so far late tomorrow night in the DC-to-Philly-to-NYC corridor and persistent winds will make it feel even colder than the actual air temperatures. A look at some teleconnection indices such as the NAO, AO and MJO suggest this Arctic outbreak will be rather short-lived and indeed, temperatures should moderate noticeably for the late week and weekend.
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Winds will increase markedly today with the arrival of a strong cold frontal system from our northwest. That front will usher in an Arctic air mass for Tuesday and Tuesday night with some of the lowest temperatures so far this season and snow showers cannot be ruled out across the northern and western suburbs. In fact, this cold air outbreak that pushes across the Great Lakes will result in significant lake effect snows in places just downstream of the still relatively warm lake waters. Temperatures will moderate later this week and another rain event is possible in the Mid-Atlantic region at the end of the week.
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A strong cold front passed the region late this past weekend paving the way for a cold next couple of days. Highs today should be confined to 50 degrees or below and could drop to the middle 20’s in the overnight hours. The second half of the week will see a rebound in temperatures with highs back to near the 60 degree mark.
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Winds will increase markedly today with the arrival of a strong cold frontal system from our northwest. That front will usher in an Arctic air mass for Tuesday and Tuesday night with some of the lowest temperatures so far this season and snow showers cannot be ruled out around here. In fact, this cold air outbreak that pushes across the Great Lakes will result in significant lake effect snows in places just downstream of the still relatively warm lake waters. Temperatures will moderate later this week and another rain event is possible in the Mid-Atlantic region at the end of the week.
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