The week begins with hot and humid conditions and the summer-like weather will continue on Tuesday as well. A back door cold front will drop through New England on Tuesday and it should slide south of here by Wednesday bringing relief to the region for the second half of the week. That same front is likely to be close enough late in the week to bring us the chance of showers and thunderstorms.
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A dramatic warm up will begin this weekend in the Mid-Atlantic region and continue into the middle of next week. Temperatures should reach the low 80's for highs this afternoon, mid-to-upper 80’s on Saturday, and then climb past the 90 degree mark on Sunday afternoon. On Monday and Tuesday of next week, temperatures are likely to climb into the low-to-mid 90's and humidity will become quite noticeable. After that, there is likely to be a cool down for the NYC metro region thanks to the passage of a back door cold front. One final note, NASA is now scheduled to launch a sounding rocket at Wallops Island, Virginia on Sunday evening between 9:04 and 9:19 PM. Look to the southeastern horizon to see colorful artificial clouds that should be generated as a way of monitoring upper-level winds.
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It’ll stay on the cool side of normal for another day, but big changes are coming to the Mid-Atlantic region. A dramatic warm up will begin this weekend and set us up for a hot, humid stretch from Monday through Wednesday of next week. Temperatures should hold in the low 70’s today for highs, climb to near 80 degrees on Friday, low 80’s on Saturday, and then approach the 90 degree mark by Sunday afternoon. During the first half of next week temperatures will likely climb into the 90’s and summer-like humidity will make its presence felt in the NYC metro region.
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The next several days will bring about a dramatic change in temperatures to the Mid-Atlantic region with much cooler-than-normal conditions today and tomorrow and then a big warm up beginning this weekend and continuing well into next week. Temperatures late tonight could drop into the lower 50's for lows in some suburbs and then should climb to 90+ degrees for highs by early next week.
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“Astronomical" summer begins on June 21st this year and the exact date and time are determined by the Earth’s position relative to the sun. Meteorologists use the annual temperature cycle to determine the time frame for the seasons by splitting the year into four quarters with the statistically hottest three months of June, July and August considered to be “meteorological" summer. Whatever the declaration, the next several days will bring about a dramatic change in temperatures to the Mid-Atlantic region with much cooler-than-normal conditions today, tomorrow and Thursday and then a big warm up for the weekend and much of next week. This upcoming warm up is quite likely to bring the return of 90+ degree highs to the DC-to-Philly-to-NYC corridor.
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Vigorous upper-level low pressure will sit and spin over the Northeast US during the next few days – much like the pattern we experienced in May – and this will lead to cooler-than-normal conditions and occasional showers. In fact, temperatures during the next few afternoons should be confined to the 60’s for highs and this is below normal for early June. There are signs, however, for a significant warm up this weekend into early next week resulting in temperatures well up in the 80’s by Sunday afternoon.
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The first half of the work week will be unsettled with occasional showers and possible thunderstorms as deep upper-level low spins over the Northeast US. It’ll turn noticeably cooler over the next few days with temperatures becoming well below-normal for this time of year. High pressure will build back in during the latter part of the week and we'll turn quite warm again over the upcoming weekend. In fact, temperatures could take a run at 90 degrees for highs on Sunday afternoon in parts of the I-95 corridor region from DC-to-Philly-to-NYC.
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A weak disturbance will cross the region later today and while it could generate widely scattered showers and thunderstorms, it does not look like a significant precipitation event. High pressure will build back into the region on Saturday and the weekend will start off with partial sun although there can be a few showers as well. Moisture from the Great Lakes will then drop from the northwest-to-southeast later in the weekend and likely reach the I-95 corridor in the form of showers by late Sunday. Once those showers arrive, it looks like they’ll stick around going right through Monday and perhaps even into Tuesday as strong upper-level low spins over the Northeast US for a few days. Cooler-than-normal conditions are likely here for Tuesday and Wednesday of next week and there will likely be additional cool air outbreaks for the Mid-Atlantic region as we progress through the first half of June.
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There will be a break in the action today from the recent active weather pattern with plenty of sunshine and warm temperatures climbing towards the 80 degree mark. Another frontal system will approach on Friday and this could bring widely scattered showers and thunderstorms to the region later in the day or early at night. The weekend will begin on the dry and warm side, but showers are likely from later Sunday into Monday. Cooler-than-normal conditions are likely in the Mid-Atlantic region by the middle part of next week.
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May is very likely to end up cooler-than-normal in the I-95 corridor region from DC-to-Philly-to-NYC and it looks like the same overall pattern will continue through the middle of June. Upper-level low pressure has dominated the scene in the Northeast US during the past several weeks and there are signs that this scenario will continue for awhile longer and contribute to more cool air outbreaks and more rain events. Another contributing factor to the cooler-than-normal weather in this region is the "soil moisture" which is quite high given all the recent rainfall and this scenario shows no sign of changing significantly anytime soon.
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