Los Angeles, United States - December 18, 2024 12/18/2024 12:00 am (GMT-0800) SAN FERNANDO VALLEY, Calif. – TIME CODE:Porter Ranch 0:00 to 1:40Chatsworth 1:40 to 2:12 FIRE WEATHER WARNING IN EFFECT FOR MUCH OF VENTURA COUNTY AND WESTERN LOS ANGELES FROM 3 PM PST TUESDAY THROUGH 6 PM PST WEDNESDAY DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW HUMIDITIES... . Santa Ana winds will increase across much of Los Angeles and Ventura Counties Tuesday afternoon with winds likely peaking Tuesday night through Wednesday morning. Northeast winds will rapidly develop with gusts likely ranging from 40 to 60 mph, strongest in the mountains. These winds combined with minimum humidity in the 10 to 20 percent range will very likely lead to critical Red Flag fire weather conditions developing Tuesday afternoon to evening and continuing through Wednesday afternoon. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 3 PM Tuesday to 6 PM PST Wednesday. The Fire Weather Watch is no longer in effect. * WINDS...Northeast 20 to 40 mph with gusts up to 60 mph. Strongest in the mountains. * RELATIVE HUMIDITY...10 to 20 percent. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Calabasas and Agoura Hills, Central Ventura County Valleys, Malibu Coast, Northern Ventura County Mountains, Santa Clarita Valley, Southeastern Ventura County Valleys, Southern Ventura County Mountains, Ventura County Beaches, Ventura County Inland Coast, and Western San Fernando Valley. * WHEN...Until 6 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.