Tree limbs that break off in high winds were often incorrectly pruned, plus how much defensible space is enough for fire safety?

The National Weather Service issued a Red Flag Warning starting Monday for San Diego County's inland valleys and mountains.

With the strongest gusts expected on Tuesday, extreme fire condition threats will prevail until midweek, L.A.-area fire chiefs say.

In recent days, however, the region’s powerful Santa Ana winds—which have been fanning the flames—have begun to slow down. This lull has offered firefighters a reprieve and a key opportunity to make progress against the blazes, but forecasts suggest the Santa Ana will return next week. What are these gusts, and how have they become so strong?

The Santa Ana winds fanning wildfires that have killed at least 25 people in Southern California and destroyed more than 10,000 houses, businesses and other structures in Greater Los Angeles are flaring up again.

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

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

Forecasters expect strong Santa Ana winds to return to the Los Angeles area this week with gusts up to 70 miles an hour in some places, putting firefighters in a race against time to control massive blazes that have killed 24 people and destroyed more than 12,

Forecasters in Southern California expect to issue a red flag fire weather warning starting Monday, with the 'risk of large fire growth' should ignitions occur.

The latest Santa Ana winds will return Monday, with the strongest gusts expected Monday night into Tuesday morning, as Los Angeles fires continue to burn.

More than 27 people have died and 22,000 buildings have burned in at least six wildfires since the first fire erupted on January 7.