The NWS Los Angeles/Oxnard CA issued a red flag warning at 9:54 a.m. on Tuesday in effect until 10 p.m. The warning is for Ventura County Beaches, Ventura County Inland Coast, Central Ventura County Valleys,

The fire started in the Upper Las Virgenes Canyon Open Space Preserve and pushed toward dense developments in the cities of Calabasas and Agoura. Evacuation orders and warnings were issued for residents in L.A. City and County, and Ventura County.

The highest gusts, up to 70 mph, are forecast for the northern San Fernando Valley and eastern Ventura County.

Monday's red-flag warning is a PDS, which stands for "particularly dangerous situation." But what does that mean? An NWS meteorologist explains.

On Monday at 10:46 a.m. the NWS Los Angeles/Oxnard CA issued a high wind warning. The warning is for Santa Clarita Valley, Ventura County Beaches, Ventura County Inland Coast, Central Ventura County Valleys,

Southern California residents are expecting fire conditions to flare up again this week, but residents of who areas in particular should remain on guard, according to the

Firefighters were slowly making progress in their battle to contain the inferno that has razed swathes of Los Angeles' Pacific Palisades neighborhood to the ground, but still-spreading flames threatened communities in the populous San Fernando Valley on Sunday.

Central Ventura County Valleys, Malibu Coast, Western Santa Monica Mountains Recreational area, Calabasas and Agoura Hills, Western San Fernando Valley, Southeastern Ventura County Valleys ...

More Santa Ana winds blew into Southern California, again raising wildfire danger even as crews continued their efforts Tuesday to fully contain a pair of massive blazes that erupted amid erratic winds earlier this month,

A particularly dangerous situation red flag warning is in place from noon Monday to 10 a.m. Tuesday local time for a large portion of Ventura and Los Angeles counties.

The new alert is an unprecedented fifth issuance of a “particularly dangerous situation” enhancement to a red flag warning in a single season by the weather service’s Oxnard office, which covers Los Angeles, Ventura, Santa Barbara and San Luis Obispo counties.

Gusts of up to 70 mph are possible along the coast and valleys, and in the mountains, up to 100 mph, the National Weather Service said. Parts of L.A. County, and most of Ventura County, are at highest risk.