Cold air mass brings big chill to Southland

Steam rises off Rick Rzeszewski of Tustin after he poured hot water over his head following a surf outing amid frigid air and cold water temperatures at sunrise in Huntington Beach. “After being in that cold water, it feels wonderful,” said Rzeszewski, a pastor who surfs early in the morning before the crowds arrive.

(Allen J. Schaben / Los Angeles Times)

Feb. 20, 2018 9:42 AM PT

Cold air mass brings big chill to Southland

Amid temperatures in the 20’s and 30’s, a snowboarder bundles up while snowboarding at Mountain High resort in Wrightwood.

(Allen J. Schaben / Los Angeles Times)

A snowboarder nears the end of the run at Mountain High resort in Wrightwood.

(Allen J. Schaben / Los Angeles Times)

Hikers take in a view of snow-capped twin-peaks of Mount Baldy from an overlook near Wrightwood.

(Allen J. Schaben / Los Angeles Times)

Skiers and snowboarders traverse down the mountain at Mountain High resort in Wrightwood .

(Allen J. Schaben / Los Angeles Times)

People bundle up Tuesday across Southern California as a cold air mass behind a storm generated frigid temperatures.

(Irfan Khan / Los Angeles Times)

A pup named Golden wears a sweater to keep the cold at bay while playing at the dog park next to LAPD headquarters in downtown Los Angeles.

(Irfan Khan / Los Angeles Times)

Temperatures across Southern California will remain 12 to 18 degrees below normal for the next two days thanks to a heavy infusion of cold Canadian air.

(Irfan Khan / Los Angeles Times)