Low pressure will pull away from the region this morning, but the day will still feature plenty of clouds, cool conditions and an isolated shower or two. In fact, it stays on the cool side of normal for the next few days with an easterly flow of air putting a cap on temperatures in the Mid-Atlantic region. It does turn warmer on Friday ahead of the next cold front which could bring with it another round of showers and strong thunderstorms at the end of the work week. There is a chance that the late week frontal passage paves the way for the bulk of the Memorial Day weekend to feature decent weather, but still a few questions have to be ironed out.
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A much different air mass has pushed into the Mid-Atlantic region following the passage of a strong cold front late yesterday that included some strong-to-severe thunderstorm activity. Today will be cooler and noticeably less humid than yesterday and the overall cool pattern will last through the week. Low pressure to our south will approach the area tonight and rain is likely and some of it can be heavy…watch for localized flooding. Showers may start the day on Tuesday and there can be a shower or two at mid-week as well. Another strong cold front will impact the region by the end of the work week leading into the Memorial Day weekend.
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The weather will turn warmer and more humid later today following the passage of a warm front and the warm-up will intensify on Friday and Saturday. In fact, temperatures on Friday are likely to climb towards the 90 degree mark with the chance of PM showers and thunderstorms and then surge into the middle 90’s on Saturday afternoon. A cold front will push towards the eastern seaboard by late Sunday and this is likely to result in late day/nighttime showers and thunderstorms that can hang around into the early part of next week.
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The hottest weather of the spring so far is on the way for the Mid-Atlantic region with Friday, Saturday and Sunday promising to be noticeably different than what we’ve experienced in recent days. The transition to this uncomfortable weather pattern will actually begin later tonight with the arrival of low pressure and its associated warm front and there can be downpours in the Mid-Atlantic region along with embedded thunderstorms. Following the passage of the warm front, it’ll turn noticeably warmer and more humid later Thursday and the warm up will intensify on Friday and likely peak on Saturday afternoon with temperatures well up in the 90’s in many locations. A cool front closes in on the eastern seaboard late in the weekend bringing with it a renewed chance of showers and thunderstorms.
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A very comfortable air mass will stick around for another day in the Mid-Atlantic region with pleasant temperatures and low humidity levels; however, there are big changes on the way. A warm front will work its way through the region during the next 24 hours or so bringing with it some shower and thunderstorms and some of the rain can be heavy at times later tonight into early tomorrow. Following the passage of the warm front, the hottest weather so far this season will push into the area for Friday and Saturday with middle 90’s possible by Saturday afternoon. Another cold front will arrive later Sunday - likely with afternoon/evening showers and thunderstorms – and its passage will usher in cooler air once again for the eastern states by the early part of next week.
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There are still cold air outbreaks destined to push into the US from Canada as we progress through the second half of May and even accumulating snow for the Rockies, but that doesn’t mean we can’t have a threat of a hurricane. In fact, there are signs that the atmosphere will become supportive of a tropical storm or hurricane in the Gulf of Mexico region later this month or early in June in what is likely to be an active season for the Atlantic Basin.
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A strong cold front passed through the region late yesterday and its passage has ushered in a much different air mass with noticeably less humidity and very comfortable temperatures. There will be plenty of sunshine in the wake of the frontal passage both today and on Wednesday to go along with the pleasant conditions. Another disturbance could throw some shower activity our way on Wednesday night and Thursday and then the hottest weather so far is destined to arrive for Friday and Saturday. Another cold front approaches late Sunday and it should bring more showers and thunderstorms to the Mid-Atlantic region with cooler air to follow for early next week.
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There is a severe thunderstorm threat in the Mid-Atlantic region for this afternoon and evening as a combination of ingredients will come together including the arrival of a strong cold front, high humidity and a vigorous disturbance in the upper atmosphere. The threat of severe weather includes the possibility of damaging wind gusts, hail and even isolated tornadoes from mid-day into the evening. Following the passage of the strong cold front, a much different air mass will push into the Mid-Atlantic for Tuesday and Wednesday with noticeably lower humidity and comfortable temperatures.
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A strong cold front will sweep across the Mid-Atlantic region later today and its arrival could result in strong-to-severe thunderstorm activity. Ingredients are coming together for this potential PM severe weather including high humidity levels, a vigorous wave aloft, and the strong surface cold front. Following the passage of the front, it’ll turn cooler late tonight and the next couple of days will be quite comfortable with lower humidity and plenty of sunshine on both Tuesday and Wednesday.
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Moisture associated with an ocean storm that has retrograded back to the east coast will push northward today into the Mid-Atlantic region and it sticks around through the upcoming weekend. Showers can occur at just about any time today, tonight, tomorrow and on Sunday, but much of the time will be rain-free. In addition to the shower threat, a thunderstorm or two can be mixed into the picture during each of the next few days and – for the first time this spring season – humidity will become a noticeable factor. An incoming cold frontal system will extend the unsettled weather conditions around here on Sunday night and Monday and this timing could be a negative for the viewability of the total lunar eclipse on Sunday night. Better weather returns to the Mid-Atlantic region for Tuesday and Wednesday following the early week passage of the cold front.
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