Thousands more flights were canceled on Monday as the effects of winter storms and operational challenges continued to impact holiday travel.
The big picture: The Department of Transportation tweeted that it would look into the actions of Southwest, which accounted for a large amount of the more than 3,900 flight cancelations and 8,200-plus delays within, into or out of the U.S. as of late Monday, per FlightAware data.
President Biden approved New York's emergency declaration request in response to the destructive winter storm that's claimed at least 28 lives in the state's west, the White House said Monday night.
Threat level: Winter storm warnings were in effect until 1pm Tuesday for New York's Jefferson and Lewis counties, where up to 12 inches of snow could fall, per the National Weather Service. Additional snow accumulations of up to 7 inches were possible in the blizzard-devastated Eerie County, the NWS said.
Editor's note:Follow new updates as New York responds to the extreme winter storm.
One of the worst blizzards in Buffalo's history has claimed the lives of at least 28 people in western New York, officials said Monday.
The latest: At least 27 of those people died in Erie County, many in the city of Buffalo, per a statement from county executive Mark Poloncarz Monday. Officials warned they expect the death toll to rise.
Four substations in and around the Tacoma, Washington, area were "vandalized by burglars" Sunday, knocking out power to thousands of people, police said.
The big picture: Law enforcement was searching for suspects following the attacks at the Tacoma Public Utilities and Puget Sound Energy substations, authorities said.
The extreme winter storm and Arctic outbreak hammering swaths of North America have left many parts of the U.S. facing frigid temperatures and travel nightmares.
The big picture: Much of the country woke up on Christmas Day to cold temperatures, power outages, travel delays and dangerous weather conditions that have left several people dead. It was weakening overnight, but still remained a threat to some areas, notably Buffalo, New York.