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LI weather: Six to 12 inches possible tonight into Tuesday

A man walks in Heckscher Park in East

A man walks in Heckscher Park in East Islip, March 11, 2018. Credit: Ed Betz

The third nor’easter in two weeks is expected on Long Island late Monday night into Tuesday, bringing heavy, wet snow and a hazardous Tuesday morning commute with low visibility, forecasters said.

The National Weather Service issued a winter storm watch for Nassau and Suffolk through Tuesday afternoon. A gale watch was issued for the southern bays.

“Here we go again,” said News 12 Long Island meteorologist Pat Cavlin.

National Weather Service meteorologist Jay Engle said the appearance of a third such system in such a short period of time is unusual. “We actually had a lack of nor’easters throughout the majority of the winter and we’re kind of playing catchup here,” he said.

Six to 12 inches of snow are expected across Long Island, according to the service, with highest amounts in the east.

Engle said the storm is expected to develop off the U.S. southeast coast late Sunday and travel up the coast.

The nor’easter is likely be 250 miles southeast of Long Island on Tuesday, according to a National Weather Service briefing.

Snow is predicted to fall beginning at midnight and continue at a rate of 1 to 2 inches per hour, with visibility of 1/4 mile or less during the Tuesday morning commute, the briefing said.

“The Tuesday morning commute is definitely the bull’s-eye, the problem area,” Engle said.

Temperatures will climb to the low 40s by Tuesday afternoon “if we get some breaks of sun” as the snow tapers off, Engle said.

Snow showers are predicted for Tuesday night, with lows in the upper 20s. The snow showers stick around throughout the day on Wednesday, when it will be mostly cloudy with highs in the upper 30s and lows near 30.

Mostly cloudy skies are ahead for Thursday, when there could be a late-day sprinkle and highs in the low 40s.

Friday brings a mostly sunny and chilly start to the weekend with highs in the mid-40s and lows in the mid-30s at night.

Stefanie Dazio and Lisa Irizarry

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