The largest Arizona wildfires have burned half a million acres. The Drago Bravo Fire at the Grand Canyon North Rim just made the top 10 list.

Two wildfires burning in the western United States are so hot that they’re spurring the formation of “fire clouds” that can create their own erratic weather systems.

FOX 10's Kenzie Beach visited the Mesa Fire & Medical Department's training academy to learn more about what firefighting crews are up against, especially during the summer months.