The active weather of Wednesday will calm down some today as a cool front slowly sags to the south of here. Some drier air will push southward into the Tennessee valley as the day progresses reducing the chances for any rainfall. An upper-level ridge of high pressure will then take control on Friday and temperatures will climb back to the 90 degree mark for highs and likely reach it each day this weekend.
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A widespread severe wind event rocked the Mid-Atlantic region this past Monday and a key ingredient was a vigorous wave of low pressure aloft that crossed the Great Lakes on a path towards the northern Mid-Atlantic. Other ingredients included multiple jet streaks in the atmosphere, a strong surface cool front, and an influx of very moist air from the southeastern states on the front side of the front. A similar overall weather pattern may repeat itself from later Monday into Monday night. While still several days away, many of these same factors may indeed come together early next week and the result can be another round of heavy showers and strong-to-severe thunderstorms for the Mid-Atlantic region.
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An unsettled weather pattern will continue through the week in the Tennessee Valley as a frontal system just to the south of here helps to keep the atmosphere somewhat unstable. Temperatures will generally peak in the mid and upper 80’s over the next couple of days and then climb towards the 90 degree mark for highs on Friday, Saturday and Sunday.
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An unsettled weather pattern remains intact across the Tennessee Valley as a strong cool front stalls out in the nearby vicinity. At the same time, another upper-level low will head in this direction and the chance for showers and storms will ramp up again later today and stick with us for much of the reminder of the week.
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An unsettled weather pattern remains intact across the Tennessee Valley as an impressive upper-level trough slides across the Ohio Valley and a strong cool front extends southward into this area. As a result, showers and thunderstorms will persist in the area…some of the rain can be heavy and some of the storms can reach strong-to-severe levels.
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An unsettled weather pattern has returned to the Tennessee Valley and one disturbance will give us another chance of afternoon and evening showers and thunderstorms as we end the work week. Temperatures will be somewhat reduced due to the copious amounts of clouds in the area and likely hold in the 80’s for highs next few days.
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An unsettled weather pattern has returned to the Tennessee Valley and one disturbance will give us a good chance of afternoon and evening showers and thunderstorms. Some of the rain can be heavy and some of the storms can be strong. Temperatures will be held down some by the copious amounts of clouds around peaking this afternoon - and during much of the next several days - in the mid or upper 80’s.
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There is a chance of showers today across portions of the Tennessee Valley from the remnants of a mesoscale convective complex that developed overnight across SW Iowa/NW Missouri. The threat of rain will continue tonight and on Thursday as well as an unsettled pattern re-develops across the region. Temperatures will be in “very warm territory”, but extreme heat is not expected in the near-term with highs generally not far from the 90 degree mark into the weekend.
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It looks like the month of August will feature multiple cooler-than-normal air masses dropping into the US from Canada which continues a trend that has encompassed much of the summer season so far and impacted large areas of the country. The one areal exception to this pattern has been the Southwest US where intense upper-level ridging has resulted in persistent excessive heat during the past several weeks. These intrusions of cooler-than-normal air this summer has balanced out the excessive heat in the Southwest US leaving the nation with nearly normal temperatures as we begin the month of August.
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An upper-level ridge of high pressure to the west of here will likely keep us dry for another day, but then more unsettled weather will return to the Tennessee Valley at mid-week. As a result, the chance of showers and thunderstorms will increase on Wednesday and the threat of rain will continue later this week and into the weekend. Temperatures will be in very warm territory, but no extreme heat is expected with highs generally not far from the 90 degree mark in coming days.
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