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Details on the Snowstorm for Long Island Tomorrow

A late autumn snowstorm is on the way to Long Island for tomorrow. Snow should develop between 6 AM and 9 AM for Suffolk and between 7 AM and 10 AM for Nassau. The steadiest and heaviest snow should be between 2 PM and 10 PM. The snow should taper off from west to east between midnight and 4 AM. Generally, Long Island should get 4 to 7 inches. The Euro is showing some mixing with rain for Suffolk at the beginning, which has the potential to hold down amounts to 2 to 4 inches for eastern Suffolk. The GFS is showing the potential for slightly higher amounts, but that's based on a 10:1 snow ratio. Since this will be a wetter snow, the snow ratio will be closer to 7:1.

The next storm for Tuesday night into Wednesday looks more like a big snowstorm for MA, VT, NH, and ME with potential for 8 to 16 inches of snow. I will update more on that storm in the coming days.

The following image is from the NAM model, and it's showing projected snowfall amounts for the storm tomorrow into early Sunday:

Image from

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