Sonoma County Strong

The October 2017 Northern California wildfires, also known as the Northern California firestorm, were a series of 250 wildfires that started burning across the state of California, United States, beginning in early October. 21 of the wildfires became major fires that burned at least 245,000 acres. These fires included the Tubbs Fire (which grew to become the most destructive wildfire in the history of California), the Atlas Fire, Nuns Fire, and others. These wildfires were also the most destructive ones of 2017 California wildfire season. The October 2017 were the costliest group of wildfires on record, causing at least $9.4 billion (2017 USD) in insured damages. In total; an estimated 8,900 structures were destroyed.