Wednesday, February 17, 2021

End-of-week snowstorm

After what has already been a busy weather-week in the Northeast, we will have another snowstorm late this week. Differing from the snow/mix/rain event we had earlier in the week, this one looks to be an all snow event, except for maybe locations along the coast. This storm is especially of interest to me, because I will be traveling from Colorado to Connecticut tomorrow. Here are some details:

Timing

This will be a long duration snow event, extending from Thursday afternoon into very early Saturday. Snowfall rates look mostly light to moderate though, meaning that travel should not be too impacted.

The NAM shows the onset of snow on Thursday morning in CT, beginning at southern locations and gradually progressing northward.

NAM Thursday AM (Tropical Tidbits)

Here's what the NWS thinks for snow onset time:

(NWS Boston)

And on early Saturday morning (around midnight), the NAM is still indicating the potential for some lingering snow showers.

(Tropical Tidbits)

Accumulations

Snowfall seems to be mostly in the 6-10 inch range, with some areas in the northwest hills of Connecticut or the Berkshires of Massachusetts maybe doing a bit better. Here's what the National Weather Service in Boston is thinking:

(NWS Boston)

Impacts

As I previously mentioned, most of the snow will be fairly light (or moderate at times).  So while there will be significant snowfall accumulations from this storm, it will pile up over about a 36 hour period. This will make travel more possible, though when traveling in snow, it is always important to be cautious. I suspect that many schools will be cancelled or conduct remote learning on Friday. Thursday will be a tough call for superintendents, though I expect many to play it safe and call for an early dismissal.

Enjoy the new snow!

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