A slow-moving upper-level low pressure system will finally push away from the area today, but it’ll be close enough to cause instability in the area and the chance for showers and thunderstorms. That threat of rain will last into tomorrow, but then high pressure takes control briefly on Thursday before another frontal system causes some unsettled conditions at week’s end and during the weekend.
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It has been unusually dry across much of the Mid-Atlantic region during the past several months, but prospects for getting back to normalcy are looking better and better in what has become an overall wetter weather pattern. In fact, today features an impressive plume of tropical moisture that is flowing right into the Mid-Atlantic region from the southwestern Atlantic Ocean and beneficial rain is falling in most areas. This widespread area of moisture is supported aloft by a vigorous and slow-moving upper-level trough of low pressure and, as such, the threat of showers and thunderstorms will continue through Thursday. After a brief lull in the action later this week, another low pressure system will head towards the Great Lakes and it’ll renew the threat of showers and thunderstorms in the Mid-Atlantic region from later Friday into Saturday. This active weather pattern looks likely to continue through the remainder of the month of May and there will be additional cold air outbreaks as well including potentially one for the Mid-Atlantic region during the Memorial Day weekend.
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A slow-moving upper-level low pressure system will finally push away from the area today, but it’ll be close enough to cause instability in the area and the chance for showers and thunderstorms. That threat of rain will last into tomorrow, but then high pressure takes control at mid-week and temperatures begin a climb into the middle 80’s for the second half of the week.
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It has been unusually dry across much of the eastern US during the past several months with a focus on the Florida Peninsula, but we have been chipping away at these conditions in recent weeks and there are likely to be additional beneficial rainfall events during the new couple of weeks. Rain is falling today throughout much of the Mid-Atlantic region and Northeast US – the second bout of rain this week – and rain is currently falling across portions of the northern Gulf region. This area of Gulf moisture will push east during the next few days and then take a turn to the north early next week and ride up slowly along the Atlantic seaboard. As a result, it appears there will be more beneficial rainfall in the Mid-Atlantic region and Northeast US from later Tuesday into Thursday further alleviating the dry conditions and additional rain threats exist later this month in an on-going active pattern.
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A slow-moving upper-level low pressure system will keep it quite unsettled around here for the next several days producing a daily chance of afternoon and evening thunderstorms. This system will push slowly across the Deep South through the weekend and then take a turn to the northeast early next week. Clouds will be plentiful in our area during this unsettled stretch putting a limit as to how warm it can get around here.
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After a dry day on Tuesday, the threat of showers and thunderstorms returned to the area last night and will stick around for the next several days. An upper-level low pressure system will slowly edge into the Northeast US later today and another upper-level trough will edge this way from the southwestern states keeping the overall weather pattern quite unsettled in the Tennessee Valley.
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The threat of showers and thunderstorms will re-develop in the Tennessee Valley by later tonight and Wednesday and it looks like it’ll be another extended period of unsettled weather. An upper-level low pressure system will slowly edge into the Northeast US later today and then another upper-level trough will edge this way from the southwestern states.
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The threat of showers and thunderstorms will continue through Saturday in the Tennessee Valley as an upper-level low forms over the Ohio Valley. There may be some improvement on Sunday, but it’ll be on the cool side and showers cannot be ruled out. The first half of next week looks pretty decent with plenty of sunshine likely on Monday, Tuesday and Wednesday and temperatures will be comfortable.
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The change of calendar to the month of May is bringing a changing weather pattern that is likely to result in a prolonged and significant rain event for the Mid-Atlantic region...something not seen in these parts in quite awhile. While there can be scattered showers and thunderstorms between tonight and late Saturday, the main event is likely to begin on Saturday night with widespread showers and thunderstorms and occasional rain will be a threat on Sunday, Monday, Tuesday and perhaps Wednesday as well in the Mid-Atlantic region to go along with cooler conditions. The upper part of the atmosphere is evolving into a classic “omega-block” pattern which will allow for cooler and rainy weather to stick around for several days in the Mid-Atlantic region, and this should alleviate drought and fire-hazard conditions endured during the past several weeks.
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A somewhat unsettled and warm, humid pattern is in the offing for the Tennessee Valley during the next few days with a daily chance of showers and thunderstorms. Temperatures should reach the low-to-mid 80’s this afternoon for highs and 80+ degrees is expected on Friday before it cools down some to the middle 70’s on Saturday.
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