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Scott Pecoriello

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Just when winter looks like it’s given up, we change months to March and the snow threats start piling on. We’re not tracking just one, but two different snow threats over the course of the next 84 hours. After both storms pass, many locations in the northeast will see their largest snow event this winter with totals from both systems likely dropping a widespread 6-12+ inches of snowfall from parts of Central PA to northern New England –– As of now, I-95 remains right on the cusp of the rain/snow line. The first punch of winter comes tonight as a weak low pressure system that delivered light snow to southern PA lat night moves offshore and strengthens as it heads towards the 40/70 benchmark. As it does so, heavy precipitation will be thrown back towards the Southern New England coastline and run into colder air that’s already in place. As…

After an extremely active two-thirds of winter for the Midwest, the Northeast gets to join in this week on the winter fun with plenty of snow and ice expected. The Midwest doesn’t fully escape this one either though. Rather, a very large and robust system is expected to bring over a foot of snow along with heavy ice and gusty winds from Wisconsin to New York. We break down what to expect in tonight’s edition of your Sunday Storm. “Phase 1” of our storm system is already underway. Much of western Pennsylvania and the northern Mid-Atlantic are already dealing with snow and ice tonight as a robust front-end to our storm system spreads moisture northward. However, this will not last. As our main storm system develops and deepens well to the southwest, a much heavier main shield of precipitation will begin pushing north. This will begin to unfold late tomorrow…

The winter storm we’ve been tracking for nearly a week now is on the doorsteps of the Northeast, and has already produced heavy snowfall across much of the Midwest, including cities like Chicago. Over the last 24 hours our team has been watching mesoscale guidance and current observations closely, and it has become apparent things have trended to the warmer side. Due to these last minute trends, we have updated our snowfall map to reflect the latest changes. The biggest change to note is that the changeover from snow to sleet/ice to rain will happen much faster across the I-95 corridor. This is in part due to precipitation coming in later and allowing things to warm up first along the coast, and also due to our low pressure likely being situated slightly north and west than what we originally anticipated. We still expect a very sharp gradient, however. Areas just…