Heavy rain and wind followed the haboob, delaying flights at Phoenix Sky Harbor International Airport and causing some damage to a terminal roof.

Massive walls of dust and debris called haboobs that roll through the U.S. Southwest can be awe-inspiring and terrifying, especially for motorists caught in their path. Thunderstorms spawn the phenomenon and can create a wall of dust thousands of feet tall and several miles wide,

As climate change increases heat and dryness in Southern California and the Central Valley, dust storms are becoming an increasing problem. Haboobs are dramatic, but dust can also carry disease and waste.