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Scott Pecoriello

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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…

After a fairly warm December and start to January, signs are finally starting to point towards winter coming back to life. Consistent features in our most recent pattern that have been dominating the United States for the last month and a half look like they are beginning to breakdown, allowing the chances for snow in the east to rise once again. The first big signal we’re tracking is this weekend, where a storm originating from the south looks to meet up with some colder air to the north and produce snow. The question remains, where and exactly how much? With 4-5 days to go still we can’t give any solidified details, but we can start breaking down the general scenarios we’re watching. There are several pieces to this storm that involve both our southern and northern branches of the jet stream. This complicates things a bit, but also raises the…