Bitter cold grips the eastern US as winter storm deaths rise and power outages linger

Three Texas siblings who perished in an icy pond were among several dozen deaths in U.S. states gripped by frigid cold Tuesday as crews scrambled to repair hundreds of thousands of power outages in the shivering South and forecasters warned the winter weather is expected to get worse.

Brutal cold lingered in the wake of a massive storm that dumped deep snow across more than 1,300 miles (2,100 kilometers) from Arkansas to New England and left parts of the South coated in treacherous ice.

Freezing temperatures hovered Tuesday as far south as Tennessee, Arkansas and North Carolina, and were forecast to plunge again overnight. Parts of northern Florida were expected to sink to 25 F (minus 3.9 C) late Tuesday into early Wednesday.

The U.S. aviation system was returning to normal after a brutal weekend that saw more than 17,000 commercial flights canceled. There were about 6,300 cancellations in the U.S. Monday and about 2,500 Tuesday, according to FlightAware, a flight tracking and data company. Less than 500 were anticipated to be canceled Wednesday.

The arctic misery over the eastern half of the U.S. was ...