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. 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. This warm-up will reach its peak on Wednesday with temperatures likely climbing into the 60’s…potentially record-breaking highs in some spots. Colder 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 near 50 degrees this afternoon and into the 50’s from Friday into early next week. The milder weather pattern will become wet on Saturday and rain is a good bet during the afternoon and evening hours. The new year should begin with some sunshine on Sunday and temperatures climbing well up into the 50’s.
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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 by tomorrow afternoon and then into the 50’s on Friday, Saturday and Sunday. 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 can close out quite mild on Sunday (New Year’s Day) with some sunshine and temperatures climbing to near 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 to 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 Philly 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 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 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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Rain will become heavy at times today and continue into early Friday morning and there can be a thunderstorm or two mixed into this soaking rain event. It’ll turn milder today and winds will become increasingly strong pushing in the milder air. A powerful Arctic front will arrive here by mid-to-late morning on Friday and temperatures will drop dramatically on its back side during the mid-day and early afternoon hours – perhaps by more than 30 degrees in a short period of time. Winds will accompany the frontal passage on Friday and can gust up to 50 mph shifting to a W-NW direction following the passage of the frontal system. A quick freeze-up is possible on Friday of any wet spots that remain on roadways from the prior rainfall. A burst of snow is likely immediately behind the frontal passage which can quickly generate a coating to an inch or two - adding to the potential difficulty in overall travel conditions. Temperatures may bottom out in the single digits by early Saturday morning (Christmas Eve) and the frigid weather will continue through Christmas Day (Sunday). Winds will stay quite strong through much of the weekend adding to the suffering of the face-slapping Arctic cold.
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The core of an intensely cold Arctic air mass is now getting ready to plunge southward to Texas by later tomorrow and then it’ll shift to the eastern states on Friday. Numerous low temperature records are likely to be set over the next couple of days as this air mass makes its way across the nation. Blizzard conditions will accompany this advancing Arctic air outbreak over much of the eastern half of the country with the Great Lakes region likely to experience some of the worst weather with an extended period of extreme conditions from Friday into late weekend.
The powerful Arctic frontal system that represents the leading edge of this intensely cold air mass will reach the DC-to-Philly-to-NYC corridor during the late morning/mid-day on Friday. Temperatures will drop dramatically in the wake of the frontal passage some 30+ degrees in a short period of time. Any wet spots on roadways from prior rainfall could freeze-up in a hurry. There will be very strong wind gusts on Friday and a burst of snow is likely immediately behind the frontal passage that can produce a quick coating to an inch or two. A frigid weekend will follow with Christmas Eve (Saturday) and Christmas Day (Sunday) the coldest in many years across much of the eastern half of the nation. Single digits are likely in many spots along the I-95 corridor both on Saturday and Sunday mornings.
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Strong low pressure will develop on Thursday in the eastern US and it will push much milder air into the Mid-Atlantic region on increasingly strong S-SE winds. There is a chance, however, that enough cold air will be lingering around early tomorrow to result in a brief period of snow and/or ice in some of the northern and western suburbs; however, temperatures should climb to well above freezing levels by later in the day. The rain can indeed fall heavily at times from later tomorrow into Friday morning and a thunderstorm or two cannot be ruled out. This surge of mild air will likely peak on Friday morning with temperatures likely near 50 degrees, but that warmth will disappear abruptly during the afternoon hours on Friday.
The strong Arctic frontal system that represents the leading edge of an intensely cold Arctic air mass will reach the DC-to-Philly-to-NYC corridor likely during by mid-day on Friday. The passage of this powerful Arctic surface cold front will not go unnoticed. On the table will be plunging temperatures on the order of 30+ degrees in a short period of time, powerful and potentially damaging wind gusts, a possible “flash-freeze”, and even a burst of snow that can put down a quick small accumulation. A frigid weekend will follow with Christmas Eve (Saturday) and Christmas Day (Sunday) the coldest for the holidays in many years across much of the eastern half of the nation. Single digits are certainly a possibility in the N/W suburbs along the I-95 corridor both on Saturday and Sunday mornings.
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