A cold front will pass through the region today without any precipitation; however, it will have an impact on temperatures as it’ll usher in another chilly air mass to the Mid-Atlantic region. After highs near 75 degrees this afternoon, temperatures will likely be confined to the 50’s on Saturday and the coolest readings so far are possible by early Sunday morning. It stays cool on Sunday to close out the weekend and there should be a mild and quiet start to the new week on Monday and Tuesday.
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The month of October has gotten off to a very chilly start in the Mid-Atlantic region and there will be another chilly air mass headed this way for the upcoming weekend. In fact, the lowest temperature readings of the season so far could come early Sunday morning, but this will very likely not be the low point of the month. Additional chilly air outbreaks are destined to move from central Canada and into the Mid-Atlantic region during the next couple of weeks and these could very well have an Arctic connection.
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Low pressure finally kicked away from the Mid-Atlantic coastline late yesterday and sunshine will return today (great big yellow ball in the sky) boosting temperatures back to 70+ degrees for the first time in days. A strong cold front will pass through the area on Friday with some gusty winds and a possible shower and its passage will usher in a chilly air mass for the weekend. In fact, temperatures late Saturday night/early Sunday morning could drop to the lowest levels so far this season.
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Low pressure that has been spinning for days just off the Mid-Atlantic coastline will finally be “kicked” out to sea later today with the approach of an upper-level trough from south-central Canada. As a result, the weather will improve noticeably on Thursday and the nicer weather will hold out on Friday as well despite the arrival of a strong cold frontal system. The passage of this next cold front will usher into the Mid-Atlantic region the next in a what will be a series of chilly air masses destined to come this way in coming days and weeks.
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The noontime temperatures in the DC-to-Philly-to-NYC corridor were especially low for this time of year and several spots may indeed set “record low maximum” temperatures for the date. Stubborn surface low pressure continues to spin near the Mid-Atlantic coastline at mid-day and it is supported by a strong upper-level low. As a result, winds at the lower levels of the atmosphere have been strong and persistent from a north-northeast direction contributing to the unusual chill. Looking ahead, it looks like additional very chilly air masses are headed to the Great Lakes, Midwest and northeastern quadrant of the country in coming days and weeks with the next shot arriving for the upcoming weekend.
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Stubborn low pressure off the Mid-Atlantic coastline will impact the Mid-Atlantic region into later tomorrow with occasional rain, persistent winds and coastal flooding will continue to be a problem at times of high tide. In terms of temperatures, if you think this is colder-than-normal for early October, you would be correct. The normal high in Central Park is around 70 degrees on this date and some spots in the region may indeed set a record today for “lowest maximum temperature”. By later tomorrow, this lingering low pressure system will finally be able to exit out into the open waters of the Atlantic as the next frontal system begins to head this way from Canada. There will be noticeable improvement in the weather on Thursday and then a strong cold front crosses the region on Friday paving the way for much cooler-than-normal conditions again here this weekend.
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Low pressure off the Mid-Atlantic coastline will continue to impact the Mid-Atlantic region into the middle part of the week with rain, wind and chilly conditions along with coastal flooding. This system which is connected to a post-tropical Ian will tend to drift away from the coast later today only to return on Tuesday and this will extend the nasty weather into early Wednesday. An upper-level trough to our northwest will then be able to finally kick this system out-to-sea by Thursday ahead of the next cool front that ushers in another cool air mass for the weekend.
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Low pressure off the Mid-Atlantic coastline will continue to impact the Mid-Atlantic region into mid-week with occasional rain, windy and chilly conditions for the early part of October. The low will actually drift away from the coastline later today, but it will return on Tuesday and produce more rain around here into early Wednesday. Finally, by later Wednesday, this lingering system will be able to exit out into the open waters of the Atlantic and the weather improves later this week. Another frontal system arrives at week’s end and it should usher in another cool air mass for the weekend.
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Ian has returned to hurricane status on Thursday evening over the warm waters of the Gulf Stream in the western Atlantic Ocean. It is likely to make another landfall as a hurricane…this time in South Carolina and likely near Charleston at mid-day. Rain from Ian’s remains will push northward into the Mid-Atlantic region late tomorrow and continue into the weekend and some of the rain will be heavy at times along with gusty winds.
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In a storm that will rival the great hurricane of 1921 for its impact on west-central Florida, Hurricane Ian has climbed to category 4 (“major”) status and will unfortunately likely have a devastating impact on the state from today into Thursday. Although there is some wind shear in the vicinity of the storm, Hurricane Ian is large, powerful, and a slow-mover which will exacerbate the effects of torrential rain, powerful winds and a dangerous storm surge on the western side. The hurricane will cross central Florida and then ride up just off the northeast Florida coastline and likely return as a tropical storm somewhere near the Georgia/South Carolina later Friday. The remnant heavy rain and strong winds of Ian will push up through the eastern US late this week and this weekend with impacts all the way to the Mid-Atlantic region.
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