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An Airmass Swap

By Melissa Mack, WBZ-TV
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It was a nice day yesterday as highs temperatures reached the middle to upper 40s. Today will be the end result of the passage of a cold front. Cold air is working in as we speak. Due to the combination of the rain that fell last night and the cold air, there may be a few icy spots along untreated streets and walkways, especially north and west of Boston where temps have fallen near freezing. Be careful!

Today will be partly sunny with a few afternoon snowflakes. Overall, it’s a colder pattern settling in for the next couple of days. Thursday will be similar. It will be partly sunny with a slim chance of an afternoon flurry. Highs will be a touch colder in the lower to middle 30s.

Friday will be more seasonable with highs near 40F accompanied by plentiful sunshine. Clouds will head our way on Friday night.

Saturday will be increasingly cloudy with a chance of a rain/snow mix by the time the afternoon makes its arrival.

From Saturday night to Sunday afternoon, there is an increasing likelihood of a coastal storm. Ironically, this is about the same time frame as last weekend’s storm. This low pressure will develop off the coast of Virginia along a frontal boundary on Saturday. The GFSx and the EURO both have thisstorm ‘hitting’ us. That being said, there is a slight difference amongst the two when it comes to the west/east track. The EURO is a colder solution which would bring several inches of snow. It shows the potential for a rain/mix for Cape/Islands/S.Coast from late Saturday night through early Sunday AM. Overall, it depicts a snowy scenario. The GFSx has a more westerly track allowing for periods of rain/mix coming farther north toward the Mass Pike from late Saturday night through early Sunday AM before turning to snow. This solution still provides us with a good chance of several inches of snow by Sunday afternoon. This could easily turn out to be a bigger storm than last weekend, meaning 6+” of snow. Please remain cognizant of the forecast. The WBZ Weather Team will be keeping you updated.

~Melissa :)

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