Weather

Winter Types Of Precipitation In The Forecast, But A Weekend Of Spring Is Ahead

After a period of rain this afternoon and evening, skies will remain cloudy overnight with a chance of some spotty showers, but much of the time will be dry.

A series of fronts will act as the focal point for small areas of low pressure and associated precipitation through Friday. As New England transitions from the cooler side of these boundaries to the warmer one, temperatures will eventually become seasonable and then finally rise to above seasonable averages by the weekend.

Cold First
You’ll have to have some patience and maybe even see the humor in the foul weather through Friday, in order to make it to the nice weekend ahead. I say humor, because there is sleet and even some snow in the forecast, especially north of the Massachusetts Turnpike tomorrow night and early Thursday.

The map below shows the worst case scenario as I see it right now. I think many areas will see at least some sleet mix in with any rain tomorrow night and the sleet could accumulate a coating up to 2 inches in the higher elevations.

snow in april.png

I don’t think we will see much snow in Boston,. The sleet might end up looking a bit more like graupel, snow like pellets if it turns just cold enough. During the day Wednesday, I will re-evaluate the situation to see if the threat of snow and sleet is increasing or decreasing.

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Frozen precipitation will have a hard time sticking to the roadways, since it’s been above freezing for a while now. If we had seen temperatures in the 20s the past couple of nights, I might be more concerned about the threat.

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On Friday, after the rain of Thursday ends, another batch of showers will push through. However, this time it’s going to warm quite a bit and winter type precipitation won’t be an issue. After the wet weather ends Friday, it appears we are in for a mild stretch. The meteogram below is from the GFS model and really paints a great picture of the cold and wet weather the next couple of days and the mild weekend.

summer in april412.png

Finally Warmth
The GFS really goes nuts later next week putting highs into the 70s! I think this might be too warm, but not impossible. Needless to say, the remaining snow should be gone by this time next week. Get out the rakes!

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