Winter storm warning in effect for NY: How much snow to expect

The following counties are under a winter storm warning: Tompkins, Madison, Cortland, Chenango, Otsego, Tioga, Broome, Delaware, Sullivan, Greene and Ulster counties. The National Weather Service has issued a winter storm warning for most of these counties until 4 p.m. In Greene and Ulster counties, the warning runs until 1 a.m. Saturday.

How much snow does New York get?

In most counties under storm warnings, including parts of the Catskills, 12 to 16 inches of snow are forecast at the highest elevations, and 6 to 12 inches of snow is expected at high terrain above 5,000 feet. Between 1 and 4 inches are expected in the valleys, according to the Weather Service. Up to a foot of snow is forecast in higher elevation Greene and Ulster counties, forecasters said.

Winter Weather Advisory issued in several New York counties

A winter weather advisory is in effect for parts of the Southern Tier, western New York and just north of New York City. These warnings vary in timing, with most ending on Friday afternoon, but warnings in the New York City area ending by mid-morning.