High pressure will push to our east today and winds will veer back to the southeast and south and it’ll turn milder and more humid. The chance of showers will increase by later tonight and that threat for rain will continue right through the upcoming weekend in an unfolding active weather pattern.
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There is ample empirical evidence that environmental phenomena in one part of the world can have a causal connection to another part of the world and several of these “climate anomalies” are tracked by meteorologists through teleconnection indices. Several of these teleconnection indices are currently suggesting that a cold and stormy stretch of weather is coming to the Mid-Atlantic region which may result in numerous winter storm threats beginning as early as this weekend and perhaps continuing into the month of March.
The teleconnection indices analyzed here include the Madden-Julian Oscillation (MJO), Southern Oscillation Index (SOI), Arctic Oscillation (AO) and North Atlantic Oscillation (NAO). The MJO is related to a tropical disturbance that propagates around the global tropics on a regular basis. The SOI provides us with information on pressure differences across the Pacific Ocean and on the “El Nino Southern Oscillation” (ENSO) state. The AO and NAO indices provide us with information on the pressure and temperature patterns across the North Atlantic/Arctic region. All of these indices are heading into territory which suggests that a cold and stormy weather pattern is unfolding for the Mid-Atlantic region and it could last awhile.
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Northwest flow of air will usher in cooler and drier weather for today as high pressure builds into the region. As the high pushes to our east, winds will veer back to the southeast and south and it’ll turn milder and more humid. The chance of showers will increase by tomorrow night and that threat for rain will continue on Friday as well.
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An active weather pattern across the nation will result in more rain around here today and relatively mild temperatures with highs in the 60’s. Broad upper-level trough of low pressure will approach the region today continuing the rain threat, but then a cold frontal passage will pave the way for drier weather at mid-week.
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An active weather pattern across the nation will result in more rain around here as we begin a new work week. Broad upper-level trough of low pressure will be situated over the Rockies today and this will produce lifting motion across the Tennessee Valley. This trough will slide to the center of the nation on Tuesday resulting in a continuation of the rain around here and we’ll have to wait until mid-week for drier weather to return following the passage of a cold front.
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A major change in temperatures today with a drop in the highs by more than 30 degrees following the overnight passage of a strong cold frontal system. High temperatures on Thursday made it into the middle 70’s, but will be confined to the lower 40’s this afternoon despite plenty of sunshine. It’ll stay quite chilly as we begin the weekend, but turn somewhat milder early next week and the chance of showers will be on the rise.
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Temperatures will remain well above-normal for another day, but there will be a major change in the overnight hours. Temperatures could actually make it all the way into the upper 70’s later today, but a strong cold front will arrive in the overnight hours and send temperatures plunging across the Tennessee Valley. It’ll stay quite chilly as we begin the weekend, but turn somewhat milder early next week and the chance of showers will be on the rise.
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Temperatures will remain well above-normal for the next couple of days, but there will also be the likelihood for occasional showers. Temperatures could actually make it all the way into the middle 70’s by the time Thursday afternoon rolls around, but a strong cold front will arrive on Thursday night. The passage of the strong cold front will bring a return to much colder air as we close out the work week and it’ll stay chilly during the upcoming weekend.
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Temperatures will be well above-normal for the next few days, but there will also be the likelihood for occasional showers. Temperatures could actually make it all the way into the middle 70’s by the time Thursday afternoon rolls around, but a strong cold front will arrive on Thursday night. The passage of the strong cold front will bring a return to much colder air as we close out the work week and it’ll stay chilly during the upcoming weekend.
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Temperatures will be above-normal for much of this week as we’ll experience a break in the recent chilly weather pattern. To go along with the warm up will come many rounds of showers and thunderstorms are possible at mid-week. A cold front will usher in colder air at the end of the week.
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