Snowstorm to swipe Southern New England

A fast-moving and rapidly intensifying storm will scoot by Southern New England this weekend sending a swath of light to moderate accumulating snow across RI, MA, and CT. There will likely not be enough cold air at the onset on Cape Cod due to the 40°+ ocean, but a transition from rain to snow is likely during the storm. The wind will be gusty out of the northeast Saturday night on Cape Cod, but not as strong as it has been for the past two storms (last Friday / Wednesday) in SNE.

Storm intensifies offshore
Close call with a strengthening storm

The storm will be rapidly developing as it passes southeast of Nantucket Saturday night. It will also be moving steadily along, so only a 12-18 hour period of precipitation is expected as the storm scoots by. The system is the combination of the two disturbances phasing together and creating a larger, stronger storm. If the intensification happens a little sooner and a bit farther north, than the impact in Southern New England could be greater. Right now, it looks like the heavy precipitation stays just offshore.

Forecast Details

The weather will stay quiet through Friday night as clouds increase in advance of the storm. Expect the wind to relax by late at night. The temperature will drop into the mid to upper 20s.

Clouds will continue to thicken Saturday morning as the wind swings around to the east-northeast and starts to slowly increase. Precipitation should arrive right around midday. It will be all snow away from the coast, but within a couple of miles of the coast, and on all of the Cape/Islands, the precipitation may start as a period of chilly rain and/or sleet.

Light to moderate snow (and a mix on Cape Cod) will continue to fall in Southern New England through the afternoon and evening. The steadiest snow is likely during the evening. A gradual transition from rain/mix to snow is likely on Cape Cod late in the evening or after midnight. The snow should taper off in RI by dawn Sunday, and in SE MA by mid-morning.

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Fred Campagna

President and Chief Meteorologist - Right Weather LLC AMS Certified Consulting Meteorologist #756 AMS Certified Broadcast Meteorologist #126

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