One of the coldest patterns in many years to start the month of December will result in below-normal temperatures right through this week and we’ll have to monitor a couple of systems that can bring some wintry precipitation to the region. After cold and relatively quiet days today and tomorrow, the mid-week will feature a “clipper” system dropping southeastward from central Canada to the Great Lakes region. This system will pass by to our north on Wednesday night, but it can bring some snow showers to the area and its trailing cold front should push through on Thursday ushering in another cold air mass for the late week and weekend. This frontal system may produce strong wind gusts around here on Thursday as there will be a powerful jet streak associated with it in the upper part of the atmosphere. Another low pressure system may impact us here with wintry precipitation sometime during the latter part of the upcoming weekend.
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Low pressure will slide from the middle of the country at mid-week and head towards the northeastern states with an increasing chance of showers and thunderstorms here later tonight into Thanksgiving Day. It’ll turn colder and windy to follow this system from Friday right through the upcoming weekend.
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Significant snow is likely to continue today in the mountains to the west of here and as much as 1-3 inches can fall in the Denver metro region. It looks quite chilly on Thursday, Thanksgiving Day, but dry with some sunshine in the area. Chilly and mainly dry to follow for Friday, Saturday, and Sunday and the overnights will be quite cold.
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A cold front cross the region on Tuesday, but the air behind it will not be all that cold and temperatures later today should peak in the lower 50’s. Low pressure from the Tennessee Valley will move northeast later today and spread rain into our area from later tonight into Thanksgiving Day. Temperatures on Thursday are likely to spend most of the day at or slightly below the 50 degree mark and it turns colder by the upcoming weekend as a broad northwesterly flow of air forms on the backside of the departing low pressure system. The cold air outbreak that reaches the Mid-Atlantic region this weekend will be the opening salvo of what looks like an extended colder-than-normal stretch of weather that likely lasts through the first couple of weeks of December.
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A cold front cross the region on Tuesday, but the air behind it will not be all that cold and temperatures later today should peak near 50 degrees. Low pressure from the Tennessee Valley will move northeast later today and spread rain into our area from later tonight into Thanksgiving Day. Temperatures on Thursday are likely to spend most of the day in the 40’s and it turns colder by the upcoming weekend as a broad northwesterly flow of air forms on the backside of the departing low pressure system. The cold air outbreak that reaches the Mid-Atlantic region this weekend will be the opening salvo of what looks like an extended colder-than-normal stretch of weather that likely lasts through the first couple of weeks of December.
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A cold front cross the region on Tuesday, but the air behind it will not be all that cold and temperatures later today should peak near 50 degrees. Low pressure from the Tennessee Valley will move northeast later today and spread rain into our area from later tonight into Thanksgiving Day. Temperatures on Thursday are likely to spend most of the day in the 40’s and it turns colder by the upcoming weekend as a broad northwesterly flow of air forms on the backside of the departing low pressure system. The cold air outbreak that reaches the Mid-Atlantic region this weekend will be the opening salvo of what looks like an extended colder-than-normal stretch of weather that likely lasts through the first couple of weeks of December.
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One of the biggest weather stories going forward is the cold wave that is coming to much of the nation beginning late this week and likely continuing for much of the first couple weeks of December. In fact, this will likely be one of the coldest starts to the month of December in many years and it will have a “Siberian” connection.
Before we get to the cold wave, there will be a lot of weather to go through across much of the nation with significant snowfall in some areas. Low pressure is currently pushing eastward across the higher elevations of the western US resulting in substantial snow accumulations from the Sierra Nevada Mountains of eastern California to the Colorado Rockies. Some of these locations will end up with snow totals on the order of 1-2 feet before this low spills out into the middle of the nation at mid-week.
From there, this low pressure system will move rather quickly across the Tennessee Valley on Wednesday night and to the southern New England coastline by mid-day Thursday. As a result, rain is likely to reach the DC-to-Philly-to-NYC corridor by late Wednesday night and continue into Thursday (Thanksgiving Day). Farther to the north, accumulating snow is likely to fall from early Thursday into early Friday across interior, higher elevation locations of northern PA, upstate NY and interior New England with several inches on the table.
Following the departure of the low pressure system to the western Atlantic, a northwesterly flow of air will develop across the northeastern quadrant of the nation bringing much colder-than-normal air from Canada into the Great Lakes, Mid-Atlantic, and Northeast US. The “Great Lakes snow machine” will get turned on with the much colder-than-normal air flowing over the still relatively warm waters of the Great Lakes from later Friday into Saturday and there is likely to be much more in the way of “lake-effect” snow activity during this upcoming cold wave.
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A cold front passed through the region earlier today and it’ll turn breezy and cooler following the frontal passage. Low pressure will slide from the middle of the country at mid-week and head towards the northeastern states with an increasing chance of showers and thunderstorms later tomorrow night and on Thursday, Thanksgiving Day. It’ll turn colder and windy to follow this system from Friday into the upcoming weekend.
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An unsettled and chilly weather pattern here this week with the chance of snow around here from later today into Wednesday. Significant snow accumulations are likely in the mountains to the west from today into later Wednesday with as much as 1-2 feet in many spots. It looks chilly and dry for Thanksgiving Day in the Denver metro and stays chill to follow into the upcoming weekend.
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A cold front will cross the region early today and there will be lingering showers this morning and then clearing skies in the afternoon. It’ll be chilly on Wednesday with partly sunny skies and then attention turns to a low pressure system that will approach the region from the southwest. This system will likely push rain into the area from late Wednesday night into Thursday and then it should turn out to chilly and breezy on Friday with clearing skies. The weekend looks windy and cold in the Mid-Atlantic region and the colder-than-normal pattern that sets up this weekend is likely to last through at least the first full week of December.
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