Red Flag Warning

Locations Affected

Pomona, CA ∙ Santa Clarita, CA ∙ Oxnard, CA ∙ Pasadena, CA ∙ Thousand Oaks, CA ∙ Glendale, CA ∙ El Monte, CA ∙ Ventura, CA ∙ Simi Valley, CA ∙ West Covina, CA

Headline

Particularly dangerous situation (pds) red flag warning in effect 4 AM tuesday until noon wednesday due to damaging northeast to east winds and low humidities for the following areas: western san gabriel mountains/ i5 corridor/ southern ventura county mountains/ santa susana mountains/ ventura valleys (mainly near simi valley/moorpark/ santa paula/south mountain)/ western santa monicas/ northern san fernando valley (mainly highways 118/210 corridors from porter ranch to san fernando)/ ventura county coastal plain--this will be a time period of locally damaging winds with extremely critical fire weather conditions...
red flag warnings in effect for much of los angeles and ventura counties through wednesday due to gusty northeast to east winds and low humidities...
red flag warning remains in effect from 10 PM this evening to noon pst wednesday for gusty east winds and low humidity for the mountains of santa barbara and san luis obispo counties as well as santa ynez mountains eastern range, lake casitas, and ojai valley...
***this is a particularly dangerous situation (pds) for portions of los angeles and ventura counties!***
a long duration red flag warning remains in effect across much of los angeles and ventura counties through wednesday, expanding into the mountains of san luis obispo and santa barbara counties by tonight. there will likely be damaging winds gusting between 55 and 70 mph across portions of the red flag warning area from early tuesday morning through wednesday morning, leading to the pds red flag warning upgrade. areas in the red flag warning (especially during the pds time frame) will have a high risk for large fires with very rapid fire spread, extreme fire behavior, and long range spotting. while dangerous pds red flag fire weather conditions are likely with this event early tuesday morning into wednesday morning, this wind event is not expected to be as strong and destructive as last week's windstorm. due to the more easterly component of the wind, much of ventura county will likely have stronger winds than the offshore wind events this past week.

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 949 AM PST Mon Jan 13 2025 Particularly dangerous situation (pds) red flag warning in effect 4 AM tuesday until noon wednesday due to damaging northeast to east winds and low humidities for the following areas: western san gabriel mountains/ i5 corridor/ southern ventura county mountains/ santa susana mountains/ ventura valleys (mainly near simi valley/moorpark/ santa paula/south mountain)/ western santa monicas/ northern san fernando valley (mainly highways 118/210 corridors from porter ranch to san fernando)/ ventura county coastal plain--this will be a time period of locally damaging winds with extremely critical fire weather conditions... red flag warnings in effect for much of los angeles and ventura counties through wednesday due to gusty northeast to east winds and low humidities... red flag warning remains in effect from 10 PM this evening to noon pst wednesday for gusty east winds and low humidity for the mountains of santa barbara and san luis obispo counties as well as santa ynez mountains eastern range, lake casitas, and ojai valley... ***this is a particularly dangerous situation (pds) for portions of los angeles and ventura counties!*** a long duration red flag warning remains in effect across much of los angeles and ventura counties through wednesday, expanding into the mountains of san luis obispo and santa barbara counties by tonight. there will likely be damaging winds gusting between 55 and 70 mph across portions of the red flag warning area from early tuesday morning through wednesday morning, leading to the pds red flag warning upgrade. areas in the red flag warning (especially during the pds time frame) will have a high risk for large fires with very rapid fire spread, extreme fire behavior, and long range spotting. while dangerous pds red flag fire weather conditions are likely with this event early tuesday morning into wednesday morning, this wind event is not expected to be as strong and destructive as last week's windstorm. due to the more easterly component of the wind, much of ventura county will likely have stronger winds than the offshore wind events this past week. ...red flag warning remains in effect from 10 PM this evening to noon pst wednesday for gusty east winds and low humidity for the mountains of santa barbara and san luis obispo counties as well as santa ynez mountains eastern range, lake casitas, and ojai valley... * winds, periods of east winds 20 to 35 mph with gusts to 50 mph. * relative humidity, daytime humidities of 10 to 20 percent common with minimal improvement at night. * impacts, if fire ignition occurs, conditions are favorable for very rapid fire spread and extreme fire behavior, including long range spotting, which would threaten life and property. precautionary/preparedness actions... a red flag warning means that critical fire weather conditions are either occurring now, or will shortly. use extreme caution with anything that can spark a wildfire. residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. see readyforwildfire.org and wildfirerisk.org for information.

---