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 60+ degrees for afternoon highs. A weak cool front will push through on Thursday night, but will have little impact on temperatures. It stays mild on Saturday, but a cold front will usher in a colder air mass for the latter part of the weekend.
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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 65 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 the end of the weekend. 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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The weather has been rather chilly in the Mid-Atlantic and Northeast US during the past few days, but a major league warm-up is coming on Saturday. In fact, the surge of warmth tomorrow will quite likely result in record highs in many spots including perhaps the DC, Philly and NYC metro regions. Another factor on Saturday will be the winds which will intensify substantially ahead of an incoming strong cold front perhaps gusting up to 55 mph or so. Showers are likely to accompany this frontal system on Saturday in the eastern states and there can even be some strong thunderstorm activity. It’ll turn considerably colder on Sunday following the frontal passage, but then warmer conditions will return next week. For today, the warm air will explode northward through the Mississippi Valley and a severe weather outbreak is on the table which includes the threat of tornadoes.
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A warm up begins today in the Mid-Atlantic region, but it really intensifies on Saturday as winds will increase substantially as we begin the weekend from a southwesterly direction. In fact, winds on Saturday can gust past 50 mph and temperatures should soar towards the 70 degree mark around here which would threaten the December 11th record of 68 degrees set in 1979. Late day and evening showers are likely to accompany the approach of the incoming strong cold front and there can even be a strong thunderstorm as well in some spots. Following the passage of the strong cold front, it’ll turn noticeably colder on Sunday with afternoon highs likely confined to the 40’s. Looking ahead, much of next week will turn out to be warmer-than-normal across the eastern two-thirds of the nation as strong high pressure ridging develops over the Great Lakes.
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Today will be a cold and dry day in the Mid-Atlantic region with plenty of cloud cover, but a big time warm up is coming by the weekend ahead of the next strong cold front. The surge of warmth expected on Saturday is likely to come with strong southwesterly winds and record high temperatures in much of the eastern US including perhaps the DC, Philly and NYC metro regions. Temperatures could actually soar to the 70 degree mark around here which would break the record of 68 degrees set back in 1979. It’ll turn noticeably colder on Sunday following the passage of a strong cold front. However, the bulk of next week looks to be quite warm across the eastern two-thirds of the nation as strong high pressure ridging develops over the Great Lakes.
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While the weather today is pretty cold in the Mid-Atlantic and Northeast US with a touch of snow in some spots, a big warm up is coming by the weekend and the bulk of next week looks to be on the warm side of normal as we head towards the middle part of December. In fact, the surge of warmth expected this Saturday is likely to come with record high temperatures in much of the eastern US including along the DC-to-Philly-to-NYC corridor. Temperatures could actually soar towards the 70 degree mark in DC and Philly and climb into the middle 60’s in NYC – all well above-normal for this time of year and all would threaten record highs. This surge of record-breaking warmth will come ahead of the next strong cold front which can produce severe thunderstorms on Friday in the Mississippi Valley and even some strong thunderstorm activity later Saturday in the eastern states.
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