It turns colder today and becomes windy and the weekend will feature much more seasonal conditions as well compared to recent days. Low pressure will push across the Midwest on Saturday and then reach the Mid-Atlantic region late Sunday. A period of snow and/or rain is likely here from late Sunday into early Monday and there even can be a small snow accumulation of a coating to an inch or two by early Monday morning.
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The onslaught of Pacific Ocean storms into California will continue for at least the next 7-to-10 days with “off-the-chart” rainfall and snowfall amounts. After slamming into California, these storms have traveled across the country making for an overall active weather pattern across much of the US. In some cases, the impact has been large such as with the severe weather outbreak earlier this week in the Lower Mississippi and Tennessee Valleys and in other cases, systems have weakened considerably by the time they have reached the eastern states. We’ll examine upcoming threats in the Mid-Atlantic/Northeast US with small snow accumulations possible as early as Sunday night and perhaps the greatest chance for a strong storm system coming in the period of January 13-15th.
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It turns a bit cooler today following the passage of a frontal system, but still quite mild for this time of year. More seasonal air pushes into the Mid-Atlantic region for the weekend and we’ll have to monitor the movement of a low pressure system that will push through the Midwest on Saturday. This system could produce a bit of snow and/or rain around here by late Sunday or Sunday night as temperatures remain on the moderately cold side.
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Unseasonably mild conditions will continue today throughout the Mid-Atlantic region and some spots may challenge record highs for the date. An approaching cold front will bring us showers later today and a late day thunderstorm cannot be ruled out. It turns more seasonal by the weekend and low pressure could produce a period of snow and/or rain around here during the second half.
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High pressure shifts to the western Atlantic Ocean today and the result will be very mild conditions through tomorrow in the Mid-Atlantic region with highs in the 60’s around here. A frontal system will impact the area for the next couple of days bringing us occasional rain showers or drizzle at times and patchy fog is also possible. Cooler and more seasonal conditions return by the end of the work week and low pressure off the coast could throw a couple of showers our way on Friday. Chilly this weekend with seasonal weather conditions and a low pressure system could produce some rain or snow around here.
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High pressure shifts to the western Atlantic Ocean over the next couple of days and this will promote a warming trend around here as Pacific Ocean air pushes eastward into the Mid-Atlantic region. As a result, temperatures will climb to the 50’s this afternoon and to near the 60 degree mark tomorrow and again on Sunday. The milder weather pattern will become wet on Saturday and rain is a good bet; especially, during the afternoon and evening hours. The new year should begin quite mild on Sunday with the return of some sunshine.
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As high pressure shifts to the southeastern states over the next few days, milder Pacific Ocean air will advance from west-to-east into the Mid-Atlantic region. As a result, a gradual warming trend will bring our temperatures to near 50 degrees this afternoon and then into the 50’s from Thursday through Monday. The milder weather pattern will become increasingly moist by the weekend and there will be a good chance of showers on Saturday to close out the month and the year of 2022. The weekend could end quite mild with some sunshine on Sunday (New Year’s Day) and temperatures climbing to the 60 degree mark.
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The Arctic air mass that brought frigid temperatures to the region the past few days will retreat and milder air from the Pacific Ocean is headed in this direction. In fact, the warm up intensifies by the weekend so that temperatures around here on Friday, Saturday and Sunday should climb well into the 50’s for highs. The warm up will become increasingly moist as well and rain is likely this weekend in much of the eastern US.
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The leading edge of an intensely cold Arctic air mass will reach the DC metro region later this morning. The powerful Arctic surface front will have quite a dramatic passage with strong and potentially damaging winds shifting to a W-NW direction, plunging temperatures as much as 30+ degrees in just a short period of time and this can cause a quick freeze-up or “flash freeze” of any lingering wet spots on roadways from the prior rainfall. In addition, there can be a burst of snow in the immediate aftermath of the frontal passage potentially producing a quick accumulation of a coating to an inch or two adding to the potential difficult travel conditions. Temperatures will continue to drop sharply later today and tonight bottoming out in the single digits by early Saturday morning and winds will remain very strong producing dangerous wind chill values of well below zero. This will turn out to be the coldest Christmas Eve (Saturday) and Christmas Day (Sunday) in many years across much of the eastern half of the country.
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Buckle up…the next 36 hours or so in the Mid-Atlantic/Northeast US will feature some wild and crazy weather to include the following:
-heavy rain including thunderstorms
-localized flash flooding
-a surge in temperatures to the 50’s
-extreme plunge in temperatures to the single digits
-flash-freeze
-a burst of snow with small accumulations
-powerful and potentially damaging wind gusts
All of this weather can take place between about noon today and midnight tomorrow night headlined by a soaking rain event into early Friday and then the arrival of an intensely cold Arctic air mass later Friday morning.
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