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Details on the Monster Nor'Easter That Will Include 80 MPH Wind Gusts, 20 Inches of Snow, and 4

A storm system approaching from the west today will transfer its energy to a developing storm offshore and rapidly strengthen tomorrow. A High Wind Warning is in effect for eastern Long Island where wind gusts could reach 70 mph tomorrow afternoon into tomorrow night. Wind gusts could reach 80 mph for the Nantucket to Cape Cod area. 2 to 4 inches of rain is expected for Long Island, Connecticut, and eastern Massachusetts. Snowfall amounts up to 20 inches are possible for parts of upstate NY. In addition, massive wave heights of 20 to 35 feet will affect a huge area of the western Atlantic Ocean.

For Long Island, the rain should begin around 9:00 tonight and last until midnight tomorrow night. The NAM continues to show snow for western Long Island. While some snow may mix in at times tomorrow evening/night, any accumulations should be limited to grassy surfaces and in Nassau County.

Another coastal storm may affect the region for the middle of next week. At this time, the Euro is showing mostly rain for Long Island, but the GFS is showing mostly snow. It's too early to tell, but I will be updating on that storm this weekend.

The following image shows maximum wind gusts in knots (multiply by 1.15 to convert to mph) from 1 PM to 7 PM Friday from the Euro model:

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The following image from the GFS model shows projected snowfall amounts for this storm:

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The following image from the GFS model shows projected rainfall amounts for this storm:

Image from

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