The 7-day period from 14 January to 20 January was very cold across most of the nation with the mean temperature anomaly of -11°F in the Lower 48. The next 7-days will be quite a different story as a milder weather pattern develops for much of the country. This warm-up, however, will not come without wintry threats in the Mid-Atlantic region and Northeast US. The change in the overall pattern will bring copious amounts of rainfall for the Lower Mississippi Valley region in the near-term and plenty of moisture-filled storm systems for the US west coast during the next couple of weeks.
In the near term, there is likely to be some freezing rain from later Tuesday night into early Wednesday across much of Pennsylvania and northern New Jersey and maybe all the way into the nearby N/W suburbs of Philly and NYC and the far N/W suburbs of DC. It does turn wet and milder in the Mid-Atlantic region during the second half of the week with the warmest day likely to be on Friday when temperatures will surge. Another storm system is then likely to impact the Mid-Atlantic/Northeast US late in the upcoming weekend with one surface low pressure system (primary) heading into the Ohio Valley and a secondary likely to form near the Mid-Atlantic coastline. While there will be little cold air around initially, strong high pressure will build into southeastern Canada and act as a cold air source…possibly resulting in a changeover from rain-to-snow across interior sections of the Mid-Atlantic/Northeast US. Looking ahead, there are signs that an overall colder weather pattern may re-develop in the central and eastern states as we progress through the early part of February and towards the middle of next month.
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The upcoming week generally looks mild and relatively quiet compared to recent days with high temperatures near 50 degrees on many days. There will be some snow shower activity in nearby higher elevation areas, but no organized storm system to deal with in the near-term.
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After a very cold start to the day, temperatures this afternoon should make it back to the upper 20’s and it’ll turn milder this weekend. In fact, high temperatures on Saturday are likely to be in the low-to-middle 40’s and then 50 degrees will be possible on Sunday, Monday, and Tuesday.
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The milder conditions that developed yesterday across the region will continue today; however, the passage of a cold front will bring us a quick shot of very cold air overnight and into the day on Friday. The cold front will keep it quite unsettled around here today with a stiff wind and the chance of rain and/or snow showers. Temperatures will rebound again this weekend with highs reaching 50+ degrees by the time we get to Sunday and likely remain that high on Monday and Tuesday as well.
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After the intense cold of the past few days, temperatures will continue to be more moderate today with highs likely in the mid-to-upper 40’s. The milder conditions will continue on Thursday, but the passage of a cold front will bring us a quick shot of very cold air overnight and into the day on Friday. Temperatures will rebound again this weekend with highs reaching 50+ degrees on Sunday and Monday.
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After the intense cold of the past few days, temperatures will begin to moderate later today with highs likely in the low-to-middle 30’s. The rebound in temperatures will continue at mid-week with highs back to near the 50 degree mark and this weekend could feature highs up in the 50’s across the region.
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During the past couple of years, many spots along the DC-to-Philly-to-NYC corridor have not had more than an inch of snow in any single event…that “snow drought” is about to end. In fact, there will likely be two accumulating snow events this week in the Mid-Atlantic region with the first one from later today into Tuesday likely resulting in a general 2-4 inch snowfall and there can be isolated higher amounts of 5 inches. The second accumulating snow event comes at week’s end and this one has the potential to produce significant snowfall amounts. This late week system will be followed by an Arctic blast for the upcoming weekend in the Mid-Atlantic region. Temperatures are likely to climb back to above-normal levels later next week, but Arctic outbreaks are destined to return to the central and eastern US during late January and February given the on-going stratospheric warming event over the northern hemisphere polar region.
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Intensely cold air poured into the region this weekend and it will remain here today to start off the new week. Temperatures will struggle to climb above the zero degree mark and the winds will generate dangerously low wind chill values of well below zero. In addition to the bitter cold conditions, there will be periods of snow today that can accumulate on the order of 1-3 inches. Temperatures do moderate significantly by the middle and latter parts of the week and the upcoming weekend can have highs back to 50+ degrees.
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Intensely cold air is headed this way for the weekend and temperatures are likely to bottom out well below zero for overnight lows by early tomorrow and early Sunday. To add to the winter misery, winds will be strong and wind chill values will remain at dangerously low levels all weekend long. In addition, snow showers will be possible at just about anytime from tonight into the late weekend and this will act to reduce visibility given the windy conditions. Moderation in temperatures will take place by the middle of next week, but additional Arctic air outbreaks are likely to impact the region down the road.
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Arctic air is now sliding into the northern US from western Canada and this cold air outbreak will likely become big weather news in coming days as it spreads across the nation. Indeed, the Arctic air will push all the way south to the Lower Rio Grande Valley region of Texas over the next few days and much colder air will advance eastward to the east coast by the end of the upcoming weekend. Another big weather story will be the next powerful storm system that will generate a blizzard for much of the Midwest and Great Lakes region and more heavy rain and strong winds for the Mid-Atlantic/Northeast US. The large storm and intense cold will indeed play a role in NFL playoff games this weekend with Kansas City likely near 0 degrees at game time on Saturday evening and Buffalo’s game on Sunday afternoon could feature heavy lake-effect snow bands and very high winds.
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