Low pressure will head up along the southeast US coastline today and its impact will largely be limited to areas to the south and east of the immediate I-95 corridor. Coastal sections of New Jersey and the Delmarva Peninsula could get a bit of rain out of this system later tonight and a late night rain, sleet or snow shower cannot be ruled out around here.. On the backside of the departing low pressure, winds on Wednesday will pick up in intensity out of the NW as another chilly air mass pushes into the region from the Great Lakes region. Fast-moving low pressure will cross the Northeast US on Thursday night and it could produce some rain and/or snow shower activity across the region.
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Some of the coldest readings of the season so far this morning in the Mid-Atlantic region and it’ll remain on the chilly side today as the holiday shortened week begins. High pressure edges into the area today and then a low pressure system looks like it’ll stay just to our south and east at mid-week. A few waves of low pressure will come close to us later this week and weekend…something to monitor in coming days.
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A weak cool front has pushed through the region and its passage will shed a few degrees off temperatures, but they’ll remain above-normal for this time of year. Low pressure in the Ohio Valley will bring shower activity here later tonight and on Saturday and it’ll be on the chilly side during this event. Following a cold frontal passage, it’ll turn even colder for Sunday, Monday and Tuesday in what will be the beginnings of an overall colder weather pattern for the northern US.
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High pressure has shifted off the east coast and this will allow for a warm up on Thursday that should bring temperatures into the 60’s for afternoon highs. A weak cool front will push through on Thursday night and shed a couple of degrees off by Friday and then another front will arrive on Saturday. The early weekend system is likely to come with some shower activity for Friday night and Saturday and then it turns colder for Sunday and Monday. Looking ahead, it continues to look like the overall pattern will change to colder next week and beyond for much of the northern US.
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The strong storm that pounded California in recent days with heavy coastal rains and substantial higher-elevation snows is pushing into the mid-section of the nation today and it will be a high impact event over a large area. First and foremost, this low pressure system will intensify rapidly today and its pressure gradient field will tighten dramatically resulting in tremendous wind gusts of as high as 80-100 mph. Power outages have already been on the rise in the Southwest US and are likely to increase markedly later today and tonight as the storm intensifies and pushes to the north and east.
In addition, as this system pushes northeast from northeastern Colorado towards northeastern Minnesota, there will likely be a severe weather outbreak in its warm sector including the threat of tornadoes. Record high temperatures are likely to be set on the warm side of the storm over a large area. In the cold sector to the north and west of the storm, blizzard-like conditions will form later today and tonight with the combination of heavy, accumulating snow and tremendous winds. Heavy snow fell from this storm system during the past few days from the Sierra Nevada Mountains of eastern California to higher elevation locations of the interior western states such as Utah.
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High pressure will shift off the east coast later today and this will allow for a warm up on Thursday that could bring temperatures to the 60 degree mark for afternoon highs. A weak cool front will push through on Thursday night and shed a few degrees off by Friday and then another front will arrive on Saturday. The weekend system is likely to come with some shower activity and then it should turn cooler for Sunday.
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The weather continues to be quiet across much of the eastern part of the nation and relatively mild for the middle portion of December. Meanwhile, a powerful storm is pounding away at California with heavy rainfall along coastal sections and heavy snows across inland, higher elevation locations. This same storm system will push into the central Plains on Wednesday and likely result in a widespread area that will experience record-breaking warmth and also powerful wind gusts of 50-60 mph. In the Mid-Atlantic region, the warmer-than-normal weather will likely peak on Thursday afternoon with temperatures climbing to 60+ degrees in the DC-Philly-to-NYC corridor. Looking ahead, there are several signals that point to a colder weather pattern for the northern US beginning early next week and this same change could also bring about a substantial cold period to eastern Europe/Russia later in the month.
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It’ll stay on the chilly side for the next couple of days as we’ll be under the influence of Canadian high pressure located across southeastern Canada. On Thursday, this system will shift to a position off the east coast and it’ll turn warmer around here with temperatures likely to reach the 60 degree mark. It’ll turn cooler behind a frontal system on Friday and then another cold front is likely to approach on Saturday with showers a good bet.
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The weather this week will be quiet across much of the eastern two-thirds of the nation and relatively mild for the middle portion of December. The warmer-than-normal weather this week will likely peak on Thursday in the Mid-Atlantic region with temperatures probably reaching into the 60’s in the DC-Philly-to-NYC corridor. A different story is possible next week, however, as the overall pattern shows some signs of turning colder and potentially stormy in the northeastern part of the nation.
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After a chilly day on Sunday, it’ll turn a bit milder today and stay warmer-than-normal through the week. High pressure will be in control in much of the eastern US for the next several days although there will be a couple of weak frontal systems to deal at times. A stronger cold front will head this way this weekend and that is likely to result in a cool down by Sunday. One final note, record high temperature were indeed set on Saturday in DC (70 degrees), Philly (68 degrees) and New York City’s Central Park (66 degrees).
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