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Santa Ana winds β€” Wildfire Risks Prompt Preventive Power Shutoffs in LA & Ventura

Santa Ana winds
[National Weather Service Los Angeles Screenshot]

Southern California is bracing for heightened wildfire risks this weekend due to a combination of strong Santa Ana winds and low humidity levels. Southern California Edison (SCE) is considering preventive power shutoffs in parts of Los Angeles and Ventura counties to prevent electrical equipment from sparking fires.

Wildfire Warnings and Weather Forecast

According to the National Weather Service (NWS), the heightened wildfire risk will persist from the night of the 6th through the 8th, with peak wind gusts expected between the early morning and afternoon hours of the 7th. Although recent rainfall has slightly reduced the risk, low moisture content in brush means the threat has not been completely eliminated.

Red flag warnings have been issued for the Santa Monica Mountains, western San Gabriel Mountains, and the Highway 14 corridor in Los Angeles and Ventura counties from 2 a.m. to 6 p.m. on the 7th. Forecasted sustained winds are expected to range from 20 to 30 mph, with isolated gusts reaching up to 45 to 55 mph. Forecasters warned that any fires that ignite could spread rapidly and extremely, threatening lives and property.

Preventive Power Shutoffs and Past Incidents

As of 7 a.m. on the 6th, SCE is evaluating Public Safety Power Shutoff (PSPS) protocols for approximately 4,639 households in Los Angeles County and about 300 households in Ventura County. Preventive power shutoffs are implemented to prevent power lines or electrical equipment damaged by high winds from sparking destructive wildfires.

Multiple wildfires broke out across Southern California last month amid similar Santa Ana wind conditions. The Norte Fire, which started in San Clemente on October 16th, burned 570 acres and spread to neighboring San Juan Capistrano, damaging or destroying seven homes and forcing thousands to evacuate.

Upcoming Weather Changes

Weather conditions are expected to shift again next week. Forecasters are monitoring multiple storm systems approaching from the Pacific Ocean, bringing a chance of rain starting Friday and continuing into next week. Exact timing and precipitation amounts have not yet been finalized.