The Dragon Bravo Fire in northern Arizona is now the seventh largest in the state since 1990. Here's how much it's burned.

Extreme heat, gusty winds, and dry brush are a dangerous mix in the northeast Valley this week. In Scottsdale, fire crews are on high alert, patrolling the desert before any sparks turn into a wildfire. Alexis Dominguez reports.

Pyrocumulus clouds, otherwise known as flammagenitus or “fire clouds,” develop due to “convection initiated by heat from forest fires, wildfires or volcanic eruption activity,” according to the World Meteorological Organization.