Deep freeze grips parts of U.S.

People cross 42nd Street at Grand Central Station in Manhattan as the first major snowstorm of the year hits New York on Jan. 4.

A person crosses 42nd Street at Grand Central Station with an umbrella to block the wind and snow in Manhattan on Jan. 4.

As a major winter storm pummels New York on Dec. 4, Laura Jackson makes her way across 3rd Avenue and 42nd Street on the way to a rehabilitaion appointment after having knee surgery.

With New York in the grip of a cold and snowy storm, Theo waits for his owner, Honda Wang (not shown), as he shops in a butcher store.

A winter storm covers much of New York in snow on Dec. 4.

Ice collects on the river in Chicago on Jan. 3.

Commuters brave sub-zero temperatures as they make their way to work in Chicago on Tuesday. Record cold temperatures are gripping much of the U.S.

Water squirts from a mostly frozen fountain in Charlotte, N.C.

Water sputters through a frozen fountain in Historic Forsyth Park in Savannah, Ga., on Wednesday.

Obdulio Arenas looks over the partially frozen falls at Paterson Great Falls National Historical Park in Paterson, N.J., on Tuesday.

People have bundled up against the cold at the Cloud Gate at Millennium Park in Chicago on Sunday.

Timothy Gigone, 51, skis along a road in Erie, Pa., on Saturday.

A person fishes near Lock and Dam No. 11 in Dubuque, Iowa, on New Year’s Day.

People pose for photographs in front of a frozen water fountain in New York’s Bryant Park.