A strong cold front arrives here later today and its passage will result in a much cooler weekend in the Tennessee Valley. The influx of the coolest air mass so far this fall season will take place tonight as northwesterly winds pick up in intensity and temperatures by early Saturday will be in the mid-to-upper 40’s. It stays breezy and cool on Saturday and then temperatures will drop to near the 40 degree mark by early Sunday morning. A gradual warmup early next week will bring temperatures back to near 80 degrees for afternoon highs at mid-week.
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Tropical systems in both the Atlantic and Pacific Oceans may impact the weather across the US in coming days in somewhat unusual manners. Tropical Storm Philippe has been meandering over the southwestern Atlantic Ocean recently and it will soon accelerate to the north and impact Maine/Nova Scotia with rain and wind later this weekend. After that, the remnants of TS Philippe will get “absorbed” into an incoming upper-level trough over the southeastern part of Canada. This influx of tropical moisture into the upper-level trough will act to energize the system and it will become a big contributor to a temperature pattern change in the eastern states with much cooler weather from this weekend and well into next week. Meanwhile, the eastern Pacific Ocean is now featuring multiple tropical systems and one of these is likely hit the west coast of Mexico by the middle of next week. After that, this tropical system that originated in the Pacific Ocean is likely to cross over Mexico and help to spawn tropical activity over the Gulf of Mexico which potentially can result in rain across the southeastern states.
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A strong cold front arrives at the end of the work week and it’ll result in a much cooler weekend and early part of next week. Temperatures will climb to the lower 80’s today, but may be confined to the middle 60’s for highs during the upcoming weekend following the frontal passage.
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Temperatures are some 10+ degrees above-normal today in the Mid-Atlantic region, but big changes are on the way this weekend and the change to noticeably cooler conditions may not be just an “in-and-out” affair. Strong upper-level ridging across the eastern US and Canada will give way to an upper-level trough of low pressure this weekend that will tend to hang around through much of October ensuring additional cold air outbreaks. This initial blast of much cooler air into the east will follow an early weekend strong cold frontal passage and Sunday promises to be the coolest day so far this fall season in the DC-to-Philly-to-NYC corridor. In addition to the cool down, winds will become an important factor by Sunday as the overall pressure gradient tightens across the northeastern states as Tropical Storm Philippe merges with the initial incoming upper-level trough system.
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High pressure remains in control for the next couple of days in the Tennessee Valley generating above-normal temperatures and plenty of sunshine. A strong cold front arrives at the end of the week and it’ll result in a much cooler weekend and early part of next week. Temperatures will climb to the mid-80’s today, but may be confined to near 65 degrees for highs by the time we get to the upcoming weekend.
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High pressure remains in control for the next few days in the Tennessee Valley generating above-normal temperatures and plenty of sunshine each day. A strong cold front arrives at the end of the week and it’ll result in a much cooler weekend and early part of next week. Temperatures will climb to the 80’s over the next few days, but may be confined to near 65 degrees for highs by the time we get to the second half of the weekend.
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An upper-level trough of low pressure will slide southeast from the Great Lakes over the next couple of days keeping it somewhat unsettled across the Tennessee Valley. As a result, there is the chance for scattered showers and thunderstorms from later today into tomorrow, but then high pressure should take control around here. In fact, at this vantage point, it looks like generally warm, dry weather will dominate from Friday through Monday with plenty of sunshine on each day.
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An upper-level trough of low pressure will slide southeast from the Great Lakes over the next couple of days keeping it somewhat unsettled across the Tennessee Valley. As a result, there is the chance for scattered showers and thunderstorms from today into Thursday, but then high pressure should take control around here. In fact, at this vantage point, it looks like generally warm, dry weather will dominate on Friday, Saturday and Sunday with plenty of sunshine on each day.
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A weak upper-level trough of low pressure will slide across the Tennessee Valley during the next couple of days and it could spark a few showers; primarily, focused on the afternoon hours. An upper-level low will push into the Midwest at mid-week and this can generate a few showers and thunderstorms in the region.
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The next few days will feature mainly warm, dry conditions around here with highs generally in the middle 80’s. By the latter part of the weekend and early part of next week, moisture will increase and so will the chance for showers and thunderstorms.
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