The month of December has gotten off to a cold start across much of the nation and it’ll stay colder-than-normal in the DC-to-Philly-to-NYC corridor right through the upcoming weekend. The potential for any significant snow during this time period is quite limited; however, a “clipper” type of low pressure system can bring snow and/or rain showers here from later Wednesday night into early Thursday and small accumulations cannot be ruled out. More important weather impacts associated with this “clipper” system will include powerful winds that can gust past 45 mph or so on Thursday and the influx of another Arctic air mass into the Mid-Atlantic region for the end of the week.
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A cold pattern across the eastern states during this first full week of December and temperatures here should stay below-normal right into the weekend. High pressure will be in control here on Monday and then a weak low pressure will push nearby by the middle of the week.
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A relatively quiet pattern across the Rocky Mountain States for the next few days with generally above-normal temperatures after today. Temperatures this afternoon should peak in the upper 40’s and then climb to the upper 50’s later tomorrow. After a bit of a pull back on Wednesday, temperatures should reach the 50’s again on Thursday and Friday with partial sun likely on all days this week.
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One of the coldest patterns in many years to start the month of December will result in below-normal temperatures right through the upcoming weekend and we’ll have a “clipper” to deal with on Wednesday night and Thursday. That “clipper'“ system will push eastward from southern Canada on Wednesday and slide well to our north into northern New England by early Thursday. It can bring some rain and/or snow showers to the region late Wednesday night and early Thursday and then the winds will become a big factor as the pressure gradient intensifies on the backside of the departing and strengthening low pressure system.
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One of the coldest patterns in many years to start the month of December will result in below-normal temperatures right through the upcoming weekend and we’ll have a “clipper” to deal with on Wednesday night and Thursday. That “clipper'“ system will push eastward from southern Canada on Wednesday and slide well to our north into northern New England by early Thursday. It can bring some snow and/or rain showers to the region late Wednesday night and early Thursday and then the winds will become a big factor as the pressure gradient intensifies on the backside of the departing and strengthening low pressure system.
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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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