Low pressure is intensifying near the Mid-Atlantic coastline this morning and it will keep it breezy and quite cool around here through tonight with periods of rain. This system will push away on Thursday, but a cold front will approach and then stall in the area for the late week. There can be a few showers from Thursday into Friday and then a period of steadier (and more beneficial) rain is likely from late Friday into Saturday as low pressure forms along the stalling-out frontal boundary zone. Temperatures will be well below-normal today with an ocean flow of air and will remain slightly below-normal right into the weekend. The pattern looks like it’ll turn warmer and drier as we transition to the beginning of June on Sunday and into early next week.
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Recent rain events in the Mid-Atlantic region have helped to alleviate drought conditions that began to develop last fall and more beneficial rainfall is on the way with two storm systems. Clouds will lower and thicken today as high pressure shifts off to the east of here and low pressure pushes into the Ohio Valley. A new low pressure system will form by early tomorrow near the Mid-Atlantic coastline and it will produce periods of rain for the mid-week and quite cool conditions as a low-level ocean flow of air forms in the DC-to-Philly-to-NYC corridor. In fact, temperatures may end up being some twenty degrees below-normal on Wednesday with the influence of the still chilly western Atlantic Ocean. A cold front then pushes through the region on Thursday night with a few showers and stalls in the area on Friday. Another low pressure system will likely ride up along that stalled-out boundary zone potentially bringing another round of soaking and beneficial rainfall to the Mid-Atlantic region from late Friday into Saturday.
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More beneficial rainfall is headed to the Mid-Atlantic region…high pressure shifts to our east today and low pressure will make a move up the Ohio River Valley and then a new low pressure system will form near the Mid-Atlantic coastline. As a result, rain can push into the area later tonight and the mid-week will feature periods of rain and quite cool conditions as the result of an ocean flow of air. A cold front can produce more shower activity in the region later in the week and even a period of steadier rain is possible from later Friday into Saturday. Temperatures will be well below-normal for the next couple of days for the latter part of May and remain a bit below-normal as we head into the weekend.
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Tropical moisture continues to flow up along the eastern seaboard and it is accompanied by a slow-moving upper-level low pressure system. The result here will be another couple of days with occasional showers and thunderstorms can get into the mix as well. After this upper-level low finally “opens up” and exits off to the north and east later in the week, there can be a lull in the action for a brief time. However, another low pressure system will head towards the Great Lakes by the end of the week and it will throw a couple of fronts our way between later Friday and Saturday night. As a result, there will be a renewed threat of showers and thunderstorms from later Friday into Saturday and then drier air should finally return to the region for Sunday and Monday.
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A plume of tropical moisture is flowing northward today along the eastern seaboard and this widespread area of moisture is supported aloft by a slow-moving and vigorous upper-level trough of low pressure. The end result here will be another extended period of showers from today through Thursday and there can be an isolated thunderstorm or two mixed in as well. At week’s end, another system over the Great Lakes will throw a couple of fronts our way and this will renew the threat of showers here from late Friday into Saturday and perhaps even a few strong thunderstorms as well.
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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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High pressure slides to our east later today and we’ll have sun followed by clouds around here to go along with warm conditions. Another slow-moving system is pulling out of the Gulf region and will edge up along the Atlantic seaboard during the next few days resulting in occasional showers around here from later tonight into Thursday and a few thunderstorms will be included as well. In fact, the threat of showers and thunderstorms is likely to continue on Friday and Saturday as a cold front arrives in the eastern states. Temperatures this afternoon should peak in the upper 70’s, but then be somewhat limited on Tuesday and Wednesday due to an abundance of clouds and the expected shower activity.
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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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There will be additional showers today in the Mid-Atlantic region as a cold front slowly works its way through and an isolated thunderstorm or two is possible. High pressure will take over for the weekend and early part of next week with increasing amounts of sunshine on Saturday and plenty of sunshine on both Sunday (Mother’s Day) and Monday. Another slow-moving system will pull out of the Gulf region early next week and slide up along the Atlantic seaboard. This system will likely result in another round of (welcome) rain for the Mid-Atlantic region from later Tuesday into Thursday of next week.
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A day after a stubborn upper-level low pressure system finally departed the Mid-Atlantic region, another one will begin to intensify overhead. At the same time, a cold front will slide slowly southeastward from the Great Lakes and surface low pressure is likely to form along this incoming frontal boundary zone. The end result here will be occasional showers and thunderstorms from later today into late Friday and some of the rain can be heavy at times.
The weather for the weekend and early part of next week is shaping up quite nicely with increasing amounts of sunshine expected on Saturday and mostly sunny skies likely on Sunday and Monday along with comfortably warm conditions. Beyond that, another unsettled weather period develops in the Mid-Atlantic region as as a Gulf system likely rides up along the Atlantic seaboard by later Tuesday and Wednesday.
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