Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

Answer: The Santa Ana winds have everything to do with weather. It starts with a high-pressure area over the Great Basin.

Firefighters in Riverside County battled a wildfire that erupted in the Santa Ana river bottom Tuesday night, prompting evacuation warnings for residents in nearby homes. The Clay Fire, first reported ...

Firefighters battling a brush fire that broke out in the Santa Ana River bottom, burning 39 acres before its progress was stopped, have reached 99% containment of the blaze, authorities said Saturday.

The Clay fire broke out in the riverbed of the Santa Ana River in Jurupa Valley just before 5 p.m. on Tuesday, Jan. 21.

O.C. Sheriff's North Patrol deputies contacted 7 individuals, made 5 arrests, and issued citations and warnings for motorized ...

The ferocious Santa Ana winds that helped fuel the deadly ... The National Weather Service in Los Angeles said a "high speed river of air" remained over Los Angeles County on Wednesday and ...

Just a few years after the ozone hole was detected via satellite, the industrialized nations of the world, meeting in Montreal in 1987, adopted what is known as the Montreal Protocol.

The Clay fire broke out in the riverbed of the Santa Ana River in Jurupa Valley just before 5 p.m. on Tuesday, Jan. 21.

JURUPA VALLEY — A brush fire that broke out Monday in the Santa Ana River bottom amid offshore winds that propelled it in the direction of homes burned roughly an acre before its progress was ...

Like a slow-moving river that suddenly narrows and turns into rapids ... Humidity levels often plunge to single-digit percentages during a Santa Ana wind. The extreme lack of humidity in the air ...