By Eric Sagara
This summer, three sparks set off a series of violent firestorms in southern Lake County, California, destroying thousands of homes and killing four people.
The fire season has passed, but residents are still recovering from the devastating infernos.
Reveal took a deeper look at the fires using satellite images and government data to explore how and why the blazes moved through the county and what it means for the future of firefighting in the West.
Explore maps and data about each fire with our new interactive tool.
- Originally appeared at revealnews.org