From Wikipedia: "From January 7 to 31, 2025, a series of 14 destructive wildfires affected the Los Angeles metropolitan area and San Diego County in California, United States. The fires were exacerbated by drought conditions, low humidity, a buildup of vegetation from the previous winter, and hurricane-force Santa Ana winds, which in some places reached 100 miles per hour (160 km/h; 45 m/s)."
Research done. In high school I learned that fire is a reaction that needs oxygen, heat, and fuel, and by removing any one of those components (i.e. vegetation buildup, or dousing with water from a stored reserve), the fire will be eliminated. You're welcome, NBC News.