More than 145,000 people out of power, after winter storm hit US & Canada

More than 80 million people in the US and Canada have been warned about bad weather because of a big winter storm. Power has been out for more than 145,000 people in some southern states, and many flights have been called off. Each state has imposed a state of emergency.

Snow is expected to fall more than a foot (30cm) high in some parts of the United States. Snow and ice could cause "dangerous travel, power outages, and damage to trees," the NWS said in a report.

The Associated Press news agency said that highway patrols had reported hundreds of car accidents.

New York City and parts of Connecticut were also warned that coastal flooding could happen. Roads and other infrastructure could be affected.

Some parts of the southern part of Canada's Ontario province were warned about bad weather on Sunday morning. Canada's largest city is expected to get about seven inches (20cm) of snow. Toronto is the capital of Ontario and the largest city in the country.

FlightAware, a website that tracks flights, says that more than 3,000 flights into and out of the United States were cancelled on Sunday.

Check with your airline before you go to Charlotte Douglas International Airport in North Carolina. It was one of the worst hit, with almost 90% of flights being cancelled. He asked people in South Carolina to stay away from the roads.

He said that the storm was going to be "pretty bad," but that it was good that it was going to hit on a weekend and on a public holiday on Monday, which meant that fewer people would have to drive.

"It's possible that the storm will under- or over-deliver. We don't know "Brian Kemp, the governor of Georgia, said this when he announced that his state was making plans.