The relentless Arctic cold weather pattern will continue through next week across much of the eastern half of the nation. A fast-moving “clipper” system will drop southeastward into the Mid-Atlantic region by tomorrow and its precipitation field should stay well to the north of here. However, this “clipper” system will usher in a fresh Arctic air mass for Sunday, Monday and Tuesday and this will be an extremely cold stretch for much of the eastern US.
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The relentless Arctic cold weather pattern will continue right into the middle of next week. Arctic high pressure dominates the scene across the eastern two-thirds of the nation and this will be the case for several more days. A clipper system will drop southeastward into the Mid-Atlantic region by Saturday and it’s precipitation field should stay well to the north of here. However, this clipper system will usher in a fresh Arctic air mass for Sunday, Monday and Tuesday which will be an extremely cold period for much of the country.
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A cold front is likely to produce showers in the area as we end the work week and maybe a thunderstorm or two. The front will be close by on Saturday and showers will threaten again although temperatures will be somewhat cooler. By the early part of next week including Christmas Eve (Sunday) and Christmas Day (Monday), it’ll turn colder following the passage of the cold frontal system.
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Low pressure is likely to impact the area at the end of the week and into the weekend before colder air arrives by Christmas Eve (Sunday). Indeed, there is even a chance for some snow shower activity in the region on Christmas Day as another low pressure system tries to form near the coastline.
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As low pressure moves from Texas into Arkansas, rain will push into our area as a warm front advances to the north and this could be a soaking rain event with a thunderstorm or two mixed into the picture. In fact, there is an outside chance at some severe thunderstorm activity in the Tennessee valley as there will be strong upper-level dynamics in the region. Final rainfall totals could exceed two inches in parts of the region by the time the evening arrives. Another storm system is likely to impact the area at the end of the week and into the weekend before colder air arrives by early next week. Indeed, there is even a chance for some snow in the region on Christmas Day as temperatures are likely to be held in the 30’s following the passage of a strong cold frontal system.
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An upper-level low over Texas will force a frontal system to our south to push northward today and the result is liable to be some decent rainfall across the area, maybe even a thunderstorm or two. In fact, given the moist atmosphere, some areas could receive in excess of an inch of rain from this advancing warm frontal system. This boundary zone should be slow-moving; consequently, our threat for showers and storms will continue into the second half of the week.
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Surface high pressure will control the weather scene around here as we begin the new work week and it’ll turn warmer with warm air advection expected in the Tennessee Valley. In fact, the milder conditions will stay around for much of the upcoming week. A weak frontal system is likely to arrive by late in the week and the result will likely be a colder beginning to the weekend.
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Surface high pressure will build into the southern US later today and it’ll result in milder weather as we start the weekend. While temperatures will hold in the 40’s today across much of the Tennessee Valley, they should climb well into the 50’s on both weekend days. A quick-moving shortwave will push northeastward from Texas on Saturday night and it could result in some shower activity for the region.
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Another cold front is to push through our area today as low pressure moves towards the Mid-Atlantic coastline. This will reinforce the current chilly conditions and any milder weather will have to wait until the upcoming weekend.
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It’ll stay on the cool side today with afternoon highs likely confined to the upper 40’s. Another cold front is likely to push through our area on Thursday as low pressure drops southeastward from the Great Lakes and into the Mid-Atlantic region. This will reinforce the current chilly conditions and any milder weather will have to wait until the upcoming weekend.
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