SYRACUSE, N.Y. (AP) — A powerful nor'easter caused flooding in upstate New York and left more than 55,000 homes and businesses without power Monday.

Plattsburgh-based State Police reported one person died in a one-car accident at about 5:17 p.m. Sunday in the south-bound lane of Interstate 87 just north of Exit 34 in Keeseville.
Second Assistant Fire Chief David Perky of the Keeseville Fire Department confirmed one woman was killed in the accident and a two-month old infant was in critical condition.
"She was gone before we got there," he said.
He said the woman was in the back seat and was not wearing a seatbelt. She is believed to have been caring for the critically injured infant.
Two other children and one adult were also injured.
The accidents victims are Hasidic Jews and are not believed to be local, Perky said. A Montreal transport van came to retrieve the dead woman's body, Perky said.
"Road conditions were absolutely terrible," he said.
No further details were available Sunday evening.
Also related to Sunday's storm:

The late spring storm dumped several inches of wet snow across the upstate region. Middle Grove in Saratoga County received 13.8 inches while Kingston in the Hudson Valley got about 5 inches. Some areas of the Adirondacks were digging out from 10 inches or more.
More than 30,000 customers of National Grid from the Syracuse area to the Vermont border were without power, said spokesman Steve Brady. More than half the outages were in central New York. In eastern New York, more than 8,500 homes and businesses were in the dark in Warren County.
Brady said the utility hoped to have power restored by late Monday or early Tuesday.
"In a storm like this we are almost entirely dependent upon ongoing storm conditions. Total restoration depends on what we see the rest of the day," he said.
New York State Electric and Gas reported about 25,000 of its customers lost power in generally the same service area.
Flood warnings were issued for portions of the Delaware River in New York's Southern Tier and for towns along the Mohawk River, where local emergency management officials reported small streams flooding and several mudslides.
Flooding in Orange County forced dozens of people into emergency shelters and shut down scores of roads, said Dominick Greene, the county's deputy commissioner of emergency management.
Greene said the hardest hit community was Washingtonville, where the Otterkill Creek overflowed its bank. He said major flooding also occurred in the town of Tuxedo on the Rockland County line and in Deerpark, where the state lines of New York, Pennsylvania and New Jersey meet.
More than 100 roads throughout the county were closed by the flooding, Greene said.
New York State Police closed the southbound lanes of the Taconic State Parkway north of Peekskill in Putnam County due to a mudslide. In Albany County, flooding led to the closing of a portion of Route 32 in the Town of New Scotland.
Portions of the New York State Thruway in the lower Hudson Valley also were affected by flooding, including the right southbound lane at the Exit 7A interchange and the left southbound lane between Sloatsburg and Harriman.
In central New York, many school districts canceled classes, including the cities of Ithaca and Cortland. There was a two hour delay for workers at the U.S. Army's Fort Drum near Watertown.