It’ll be quite humid in the Mid-Atlantic region for the next few days as high pressure pushes farther offshore and the overall pattern becomes more unsettled. A trough of low pressure will slide into the area on Wednesday increasing the chance for afternoon and evening showers and thunderstorms and then a weak cold front can be the impetus for another round of showers and thunderstorms on Thursday. The end of the week and upcoming weekend look to be quite warm and likely rain-free with high pressure back in control.
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High pressure that developed over southeastern Canada last week has shifted offshore and it will tend to weaken and push farther away by mid-week. In addition, a trough of low pressure looks to become established by mid-week and the result will be a more unsettled weather pattern and a returning chance of showers and thunderstorms. Later in the week, a weak cold front will approach the region - perhaps with another chance of showers and thunderstorms on Thursday - and then dry, very warm weather should return for Friday and Saturday.
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High pressure centered over southeastern Canada will shift slowly offshore during the next couple of days and it will continue to influence the weather around here. Given the position of the high, there will be a continuing broad low-level flow of air from the ocean (i.e., east-to-northeast winds) into the northeastern states and this will keep temperatures in check right through the weekend. By the middle of next week, this high will weaken and shift farther offshore opening the door for somewhat more unsettled weather to return to the region.
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High pressure centered over southeastern Canada will shift slowly offshore during the next couple of days and it will continue to have a positive effect on the weather around here. Given the position of the high, there will be a continuing low-level flow of air from the ocean (i.e., east-to-northeast winds) and this will keep temperatures in check right through the weekend. There is a tropical wave to monitor sitting just off the Carolina coastline, but odds favor it making a move to the northeast rather than to the northwest reducing its chances greatly for impacting the Mid-Atlantic region.
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High pressure centered over southeastern Canada will continue to have an influence on the weather around here for another few days. Given the position of the high, there will be a consistent low-level flow of air from the ocean (i.e., east-to-northeast winds) and this will keep temperatures in check for the next few days. This high shifts offshore over the weekend and it’ll turn a bit warmer and more humid, but no intense heat is in sight. There will be some tropical moisture sitting just off the coast, but odds favor it staying out there and not making a move to the north and west.
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Comfortable conditions started off the week in the Mid-Atlantic region and the next couple of days look relatively quiet with no intense heat or heavy rain, but there will be plenty of clouds around. High pressure is building to our north and this system will keep temperatures in check around here during the next few days with a low-level flow of air from the northeast. Later in the week, we’ll have to monitor the possible development of a tropical wave near the Southeast US coastline. Whether or not this system intensifies into a named tropical storm, it could push ample amounts of moisture into the Carolinas and potentially, into the Mid-Atlantic region.
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The Atlantic Basin tropical season typically reaches a peak around the middle of September and the month of August usually features a steady ramp up in overall activity. Indeed, adhering to the climatological theme, tropical activity has picked up in the Atlantic Basin right on schedule once we flipped the calendar from July to August, and it is featuring multiple systems. A teleconnection index known as the Madden-Julian Oscillation or MJO is providing support to the idea that the next few weeks will remain quite active in the Atlantic Basin.
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Comfortable conditions to start off the week and the next few days should be rather quiet. High pressure is still in place across the Mid-Atlantic region as we begin the new work week and then another high builds to our north by mid-week and will influence our weather for the remainder of the week. Looking ahead, there is a tropical wave sitting just off the Southeast US coastline and we will need to monitor that system as it could push moisture northward later in the week…potentially even resulting in some rainfall around here by later in the weekend.
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The slow-moving cold front that resulted in numerous showers and thunderstorms in the Mid-Atlantic region on Thursday will edge its way off the eastern seaboard this morning. In its wake, temperatures will be well below-normal as we begin the new month of August and there will be a stiff northeast wind to go along with mainly cloudy skies and possible lingering showers. Clearing skies set in tonight and we are setting up for one of the nicest weekend of the entire summer season with very comfortable temperatures and humidity levels.
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A major-league cool-down is coming to the Mid-Atlantic region and the transition from the high heat and humidity to the well below-normal temperatures will come with heavy rainfall, strong-to-severe thunderstorms, and localized flash flooding. A slow-moving cold frontal system will approach the area later today from our north and west, but then only be able to inch its way through the Mid-Atlantic region during the next 24 hours as low pressure forms along its boundary zone. Widespread showers and thunderstorms are likely from early this afternoon into the late-night hours and total rainfall amounts can end up being excessive in some spots raising the concern for potentially significant flash flooding. Much cooler air moves in on Friday on the back side of the slowly departing cold front and low pressure system and we are setting up for one of the nicest weekends of the summer season with very comfortable temperatures and humidity levels.
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