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Dry AM commute, but snowy and slow for ride home Tuesday

Posted by David Epstein  December 16, 2013 10:00 PM

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Under clear moonlit skies, readings are falling rapidly and are in the teens in most places and only going lower. Temperatures by morning will range from below zero along the New Hampshire border, to the upper teens over Cape Cod. In Boston, I expect a morning low around 7F. winter weather advisory.jpg Temperatures this cold are more typical of mid-winter, but are not record breaking. There is a winter weather advisory for tomorrow afternoon and evening across most of the area.

I'll be updating the snow forecast as it changes on Twitter at @growingwisdom Please follow me there. Feel free to comment or ask questions too.

More snow
There will be another system affecting the area tomorrow from late morning and into the first part of the night. A low pressure area will dive south from Canada and then reignite off our coast. sfc storm.jpg These types of systems can produce a few to several inches of snow and although not a big storm, this has the potential to really foul up the Tuesday afternoon commute.

How much snow?
Our computer guidance is in very good agreement on snow amounts for tomorrow with a general 2-4 inch snowfall and some 5-6 amounts possible in a few locations. The most likely spots for the higher amounts will be coastal Essex county, northern Worcester county and even Boston itself and the immediate suburbs.
snow Tues.png

Over Cape Cod, Martha’s Vineyard and Nantucket the snow will mix with or at time be just plain rain so a coating to an inch is all that will fall in those locations.

When is it starting and ending?
Dry weather starts Tuesday with clouds quickly thickening and snow beginning between 10AM and noon. I think there could be a mid-afternoon lull in the snow when it lightens up before another burst for the evening commute. The entire system ends between 9PM and 11PM. This timing will make for a rough evening commute so pack your patience with your lunch tomorrow morning. If you can work from home or take a half day, I would do it. If you don't have to get stuck in the mess tomorrow evening, don't.
radar 4PM.jpg

Cold midweek, but milder finish
The deep freeze continues into Wednesday when highs will still stay in the upper 20s to near 30F. The good news, temperatures will warm above the melting point Thursday, heading into the upper 30s in Boston, but staying colder inland and up north. This time of the year the sun is very weak and the only way we really melt snow quickly is with a mild rain. Friday is even milder with highs nudging 45F or higher for some real melting, at least on driveways, walkways and south facing areas.

The weekend
There is going to be some unsettled weather later this weekend. I am not sure just yet where the boundary between the cold and warm air will set up, but I am leaning towards more of a rain event Boston south and a mix north and west, but it’s very early in the game.
Weekend garden tip
The video is from a few years back, but the tips on caring for a living Christmas tree are the same. Enjoy.

This blog is not written or edited by Boston.com or the Boston Globe.
The author is solely responsible for the content.

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About the author

David Epstein has been a professional meteorologist and horticulturalist for three decades. David spent 16 years at WCVB in Boston and currently freelances for WGME in Portland, ME. In 2006, More »
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