Dry and warmer conditions are in the offing for today, but big-time changes are on the way. After temperatures climb into the 50’s today, the trend to the downside will begin on Friday and accelerate early this weekend. In fact, bitter cold air is likely to flood this area by the weekend and it will come with a good chance of accumulating snow from Friday night into Saturday with several inches possible. Temperatures may do no better than the teens on Saturday for highs and potentially be confined to the single digits for highs on Sunday and Monday.
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An Arctic invasion with a Siberian connection will get underway by the early part of the weekend as bitter cold air from Canada plunges southward through the central states. By Sunday, the Arctic air mass will spread eastward towards the Atlantic seaboard and by the time we get to Monday, Inauguration Day, most of the country will be in a deep freeze including the DC metro where outdoor activities are planned for the swearing-in ceremonies. Temperatures are going to fall to well below-normal levels across much of the nation for the bulk of next week which is quite impressive indeed considering this is right around the time of year with the lowest “normal” temperatures.
The Arctic front at the leading edge of the cold air outbreak will reach the eastern states on Sunday and a wave of low pressure is likely to form right along its boundary zone. This Arctic wave could produce some accumulating snow in the Mid-Atlantic region from later Sunday into Sunday night. Another storm system could develop way down in the Gulf region by the middle of next week potentially bringing snow and ice to parts of the southern and eastern US. Looking ahead, there is even the chance for a third system to form across the southern states by the end of next week.
One final note, even before we get to the interesting weather of this weekend and next week, there can be some snow in the near-term across the Great Lakes, Mid-Atlantic, and Northeast US.
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Dry and warmer conditions are in the offing for today and Thursday, but big-time changes are on the way. After temperatures climb into the 40’s today and the 50’s on Thursday, the trend to the downside will begin on Friday and accelerate this weekend. In fact, bitter cold air is likely to flood this are by the weekend and it will come with a good chance of accumulating snow from Friday night into Saturday with several inches possible. Temperatures may do no better than the teens on Saturday and potentially be confined to the single digits for highs on Sunday.
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Widespread bitter cold air looks like it will overspread the nation next week and there can be multiple storm threats as well. Temperatures are likely to fall to well below-normal levels across much of the nation which is quite impressive considering the 3rd week of January is - from a climatological point-of-view - the coldest week of the year in many areas. An Arctic front is going to head into the eastern states later in the weekend and it will be at the leading edge of this incoming Arctic air mass...some of which may have its origins on the Siberian side of the North Pole. A wave of low pressure may form along the Arctic frontal boundary zone early next week potentially producing some snow in the Mid-Atlantic region for the period from late Sunday into Monday (Inauguration Day). Another storm threat could come at mid-week with its origins way down south and perhaps there will even be a third one during the late week time period.
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This will be a relatively quiet week across the nation despite another Arctic blast that arrives tonight in the eastern states, but next week looks like a different story. Widespread bitter cold air looks like it will overspread the nation next week and there can be multiple storm threats as well. Temperatures are likely to fall to far below-normal levels across much of the nation in what is from a climatological point-of-view, already the coldest week of the year in many areas.
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A relatively quiet next few days and generally on the dry side across the Denver metro area. It starts off moderately cold today and turns quite cold tonight, but a warming trend will bring high temperatures to the lower 50’s by Thursday afternoon. It looks to turn much colder again by the upcoming weekend and the chance of snow will return to the Colorado region.
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This cold and active weather pattern will result in another storm system in the short-term and this one will have a major impact on the southern states from New Mexico to the Carolinas with significant snow and disruptive ice. Low pressure will begin to organize over the Texas Gulf coast later today which is much farther to the south compared to the storm system earlier this week that originated over the central Plains. Cold air has penetrated all the way down to the Gulf coast setting the stage for this potentially crippling winter weather event in many southern locations.
This low pressure will push slowly to the east-northeast on Friday from the Deep South to the coastal waters of North Carolina by early Saturday and then continue on a track to the east-northeast of there into the open waters of the western Atlantic. While support in the upper atmosphere will be somewhat limited for the surface low pressure system, accumulating snow is likely to overspread the DC-to-Philly-to-NYC corridor on Friday night and continue into Saturday morning with a coating to as much as 2-3 inches possible in some areas.
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Our cold and unsettled pattern will continue for the next few days with some more snow possible this morning and again on Saturday. Temperatures will drop to very low levels once again late tonight with overnight lows in the upper single digits in many spots. The overall colder-than-normal weather pattern will continue through the weekend and into at least the middle of next week.
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This cold and active weather pattern will produce another storm system in the short-term and this one will have a major impact on the southern states from Texas to the Carolinas with significant snow and disruptive ice. Low pressure will organize over the northwestern Gulf of Mexico later today which is much farther to the south compared to the most recent storm system that originated over the central Plains. Cold air has penetrated all the way into the Deep South during the past couple of days setting the stage for this upcoming winter event.
This storm system will push to the northeast on Friday from the Deep South to the coastal waters of the southern Mid-Atlantic by mid-day on Saturday. The surface low will have little support in the upper atmosphere as a “positively-tilted” trough axis will be limited in its generation of upward motion. While snow is likely in the Mid-Atlantic region from late Friday night into early Saturday, it is likely to be an overall light event with accumulations probably limited to the range of a coating to a couple of inches.
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Our cold and unsettled pattern will continue for the next several days with additional chances of snow (mostly on the light side) on Thursday, this weekend, and even early next week. Winds will become a factor as well on a couple of occasions later this week and again this weekend.
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