(WETM) – Tens of thousands of people were left without power across the Twin Tiers Tuesday morning as a system of winter weather battered the region and much of Upstate New York overnight. But crews have been quickly working to restore power to much of the area.

According to NYSEG’s outage list, more than 1,300 customers in Chemung County were without power, as of 6:30 a.m. Dozens more have also lost power in Steuben and Schuyler Counties.

By 11:30 a.m., however, Chemung had only a reported 82 outages, with 29 in Schuyler and 129 in Steuben.

But further east, NYSEG reported that more than 40,000 customers lost power in Broome County and almost 8,000 in Tioga County.

As of 11:30 a.m., Pennsylvania Electric Company reported almost 4,200 outages in Bradford County and more than 1,300 in Tioga County, Pa. Meanwhile, Claverack listed even more in Bradford County as of 8:00 a.m., nearly 11,700 outages. But this number dropped to just over 1,500 outages by late morning.

Claverack announced that as of 8:30 a.m., only 4 of its 21 substations had power. Until power is restored, the company said it cannot give estimated times that customers’ power will be restored. Penelec is working to determine the problems at the substations, Calverack said.

18 News has also received reports of downed trees across the area, especially in Bradford County. The National Weather Service in Binghamton has also issued a wind advisory for all of the Twin Tiers until ths evening.

18 News Storm Team will continue to follow developments in the winter weather.