A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.

The Santa Ana winds are dry, powerful winds that blow down the mountains toward the Southern California coast. The region sees about 10 Santa Ana wind events a year on average, typically occurring from fall into January. When conditions are dry, as they are right now, these winds can become a severe fire hazard.

The winds fueling Southern California wildfires form when a high-pressure system develops over the Great Basin in Utah and Nevada

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.

Southern California will continue to face "dangerous fire weather conditions" including strong Santa Ana winds and extremely low humidity through later this week, forecasters said Tuesday.

A "Particularly Dangerous Situation" warning remains in effect as strong winds cause extreme fire danger in Southern California.

Watch KTLA team coverage of the latest wind event to create a wildfire risk in metro Los Angeles. Jan. 20, 2025.

Much of fire ravaged southern California is under a flood watch after devastating flames have left thousands of acres barren and vulnerable to flash flooding, land and mudslides with rain in the forecast.

The backstory: Russian thistles, better known as tumbleweeds, arrived in South Dakota in the 1870s most likely via a shipment of flaxseeds from Russia that was contaminated with the invasive seeds. Read on... for more on what scientists are doing to combat the invasive species.

As the devastating Eaton Fire reaches 95% containment, recovery efforts are ramping up across Southern California. The blaze, fueled by ferocious Santa Ana winds, scorched over 14,021 acres, claimed at

Southern California residents are facing new threats after rain fell over neighborhoods most impacted by recent wildfires.Much-needed rain fell in the Los Angeles area on Saturday and showers are expected to continue on Sunday,