Todd Gutner Blog - Snow on the way!

Right out of the gate, I want to wish all of you a Happy Thanksgiving, I hope it's a very nice one.  The weather today will be cold and gray, and there's a pretty good chance we'll see some flakes and flurries.  A decaying weather system will spread enough moisture into this cold air to produce periods of light snow this afternoon and tonight.  That snow may flip to light rain but many surfaces will retain the cold leading to slick spots.  Be careful driving around later today and tonight.

Over the weekend, a larger storm will flair up off the coastline and energy from the west will interact with it forming an inverted trough.  A trough is where air converges and rises rapidly creating more intense precipitation.  They are also notoriously tough to forecast, similar to thunderstorms in the Summertime.

At first glance, the atmosphere looks cold enough for all snow with this event, but closer inspection reveals some mild air near the ground, the boundary layer.  That warm air will be tough to overcome and rain will fall for most of us on Saturday.  Saturday night, things get a little more interesting, as the storm cranks away in the Gulf of Maine, cold air will fight back and attempt to change rain to snow.  There's a growing chance for a period of snow Sunday morning before everything tapers off.  There probably won't be enough time to accumulate much, most of the area will see less than 3 inches, but it will be a different story up north.  In the mountains of Maine, New Hampshire and through the Central Maine Highlands, there is potential for over 6 inches.

It's still early in the game and amounts can shift and change so pay attention to later forecasts.

Happy Thanksgiving!

Todd Gutner - https://twitter.com/ToddWCSH

 

Copyright 2016 WCSH


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