High pressure will push into the region today providing us with quiet and warm weather, but the next cold front will bring us unsettled conditions by late tomorrow and tomorrow night. In fact, there is the chance for late day and nighttime showers and thunderstorms on Wednesday and some of the storms can be strong-to-severe. Temperatures will soar tomorrow ahead of the cold front reaching well up into the 90’s for afternoon highs, but then they’ll drop off noticeably for Thursday and Friday following the passage of the front. Looking ahead, Labor Day weekend is looking somewhat unsettled from this vantage point with the chance of additional showers and thunderstorms from time-to-time.
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High pressure to our north dominated the weather scene around here for several days, but it loses control today as an upper-level trough builds into the Northeast US. As a result, there will be some cloudiness later today and the chance of afternoon and evening showers and thunderstorms...some of the storms can be strong. The next system of note will be a cold frontal system that crosses the region on Wednesday night likely accompanied by a round of showers and thunderstorms. It turns quite hot ahead of the front on Wednesday with highs well up in the 90’s and then much more comfortable air mass will follow for the late week.
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High pressure to our north will remain in control of the weather as we end the work week and then slide off the east coast on Saturday. This repositioning of the high will open the door for seasonably warm air to push northeastward into the Mid-Atlantic region; however, overall humidity levels should remain moderate. The threat of rain will remain minimal around here during the next couple of days, but an upper-level low could increase the chances during the early part of next week.
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High pressure to our north will remain in control of the weather for the next couple of days and continue to anchor a very comfortable air mass for this time of year. The high pressure system shifts offshore by early this weekend and this repositioning will open the door for warmer air to move into the area from the southern states, but no sustained extreme heat is in sight. The chances for rain should be minimal around here for the next few days.
One final note, this cool shot we’re enjoying has been pretty impressive for August. The low temperature at Newark, NJ on Wednesday was 58 degrees. The last time the temperatures fell into the 50’s during the month of August in Newark was in 2008.
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High pressure to our north will remain in control of the weather in the Mid-Atlantic region for the next few days. The air mass in place is cooler-than-normal for this time of year and quite dry as well with comfortable humidity levels. The high shifts offshore by the weekend and this repositioning will open the door for warmer air to move into the area from the southern states. There continues to be, however, no sustained extreme heat in sight.
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A cold front crossed the region late yesterday and its passage has ushered into the Mid-Atlantic region a much more comfortable air mass that’ll feature daytime highs in the 70’s during the next few days and overnight lows in the low-to-mid 50’s. This early taste of fall will be sponsored by Canadian-born strong high pressure that will be stationed over the northeastern part of the nation during the remainder of the work week.
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A taste of fall is coming to the Mid-Atlantic region for the Tuesday, Wednesday, and Thursday time period following the passage of a cold front later today. That frontal system will produce scattered showers and thunderstorms this afternoon and evening and some of the storms can be on the strong side. Temperatures for the next few days should peak in the 70’s for afternoon highs all along the DC-to-Philly-to-NYC corridor which is well below-normal for this time of year. Temperatures in the overnight hours will bottom in the lower 50’s in much of the I-95 corridor – coolest so far this season – and some spots could bottom out in the upper 40’s well to the northwest of the big cities.
Elsewhere, Ernesto has intensified slightly during the morning hours over the North Atlantic with latest observations showing 90 mph maximum sustained winds. This classifies Ernesto as a strong category 1 hurricane which is somewhat unusual in that it weakened to tropical storm status on Sunday after passing by the island of Bermuda. Ernesto will rush past Newfoundland later tonight and then it can very well impact Ireland/United Kingdom later in the week as an extratropical storm.
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A cold front crosses the region later today and can bring with it more in the way of scattered shower and thunderstorm activity. Some of the afternoon and evening storms can be strong, but much of the time today will be rain-free. Following the passage of the cold front, a cooler and crisp air mass arrives for Tuesday, Wednesday, and Thursday bringing a touch of fall to the area. Daytime highs during this stretch will be generally confined to the 70’s - well below-normal for this time of year - and overnight lows well down in the 50’s.
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High pressure that has been in control of our weather for much of this week has now shifted off the coast and this repositioning will open the door to more humid air and the return of shower and thunderstorm activity. The shower and thunderstorm activity can begin late tonight and should continue on an occasional basis on both weekend days and some of the rain can be heavy at times. Temperatures will climb to quite warm levels later this afternoon with highs in the upper 80's, but they should be confined to the lower 80’s on Saturday and Sunday largely as a result of the expected copious amounts of clouds. A cold front that will be trailing low pressure to our north this weekend will push through here later Monday and it’ll usher in a beautiful air mass for Tuesday and Wednesday of next week with comfortable temperatures and humidity levels.
Elsewhere, Hurricane Ernesto will impact Bermuda on Saturday and then likely maintain hurricane strength for awhile later in the weekend as it pushes towards the Atlantic Canada. While the center of Ernesto will be well to the east this weekend, there can be rough surf and rip tides up and down the east coast on both weekend days.
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High pressure will shift offshore from later tonight into Friday and this repositioning will open the door to influence here this weekend by a low pressure system and its associated frontal systems. As a result, the chance of showers and thunderstorms will increase late tomorrow night and rain will be a threat on both weekend days…some of the weekend rain can be heavy at times. The cold front trailing from the low pressure system will push across the region from Sunday night into Monday likely resulting in additional showers and thunderstorms and, at the same time, Hurricane Ernesto will pass by well to our east producing rough surf/rip tides in the Atlantic. A very comfortable air mass arrives in the Mid-Atlantic region in time for Tuesday and Wednesday of next week.
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