More than a foot of snow fell in four hours in Islip, NWS said.

The fourth nor’easter forecast to hit Long Island in a month dropped 20 inches of snow—with a foot falling in four hours in Islip Wednesday night into Thursday morning, meteorologists said.

The National Weather Service lifted the winter storm warning and coastal flood advisories for Nassau and Suffolk counties, although a special weather statement was still in effect for eastern LI as the last bands of snow went out to sea. The highest snowfall amount recorded on the Island—and the tri-state area—as of Thursday morning was 20 inches in Patchogue. Hundreds of schools and businesses were closed, and thousands of flights were canceled as the cleanup got underway and PSEG Long Island worked to restore power to more than 5,000 customers.

“With breezy conditions following the departing system and below-normal temperatures in the lower 40s, it will feel as if temperatures are in the low to mid 30s for most of the day,” Upton-based NWS forecasters said in a statement. “Below-normal temperatures continue into the weekend as Arctic high pressure builds to the north.”

The latest storm, which arrived after Tuesday’s vernal equinox, follows nor’easters on March 2, 6 and 12 left snow, flooding and power outages in their wake.

Here’s the latest snowfall reports from the NWS:

Nassau County
Plainview 16.0 741 AM 3/22 Trained Spotter
Massapequa 14.0 745 AM 3/22 CoCoRaHS
East Meadow 14.0 546 AM 3/22 Public
East Williston 12.1 645 AM 3/22 Public
Seaford 11.4 600 AM 3/22 Trained Spotter
Wantagh 11.1 700 AM 3/22 Trained Spotter
1 S Merrick 10.2 500 AM 3/22 Trained Spotter
Oyster Bay 10.0 727 AM 3/22 Fire Dept/Rescue
West Hempstead 4.0 510 AM 3/22 NWS Employee

Suffolk County
Patchogue 20.1 852 AM 3/22 NWS Employee
Terryville 19.7 724 AM 3/22 Trained Spotter
Port Jefferson Stati 18.9 640 AM 3/22 Trained Spotter
North Babylon 18.7 655 AM 3/22 Public
Islip Airport 18.4 756 AM 3/22 FAA Observer
Sayville 16.4 842 AM 3/22 NWS Employee
Commack 16.0 630 AM 3/22 Public
2 SE Smithtown 15.3 600 AM 3/22 Public
Stony Brook 13.7 628 AM 3/22 Trained Spotter
South Huntington 12.6 450 AM 3/22 Trained Spotter
Upton 10.8 742 AM 3/22 NWS Office
Sound Beach 9.0 700 AM 3/22 NWS Employee
West Hampton Dunes 4.0 500 AM 3/22 Trained Spotter
East Hampton 3.5 640 AM 3/22 Law Enforcement

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