As I type, Phoenix is getting it's first major haboob of the monsoon season. It's blowing so hard it sounds like my AC Unit might rip off the roof. My lights have flickered but they haven't gone out. It's going to be pretty miserable if they do. It's still 108 outside right now.
Monsoon storms are the only thing that redeem the crappy summer season. They can be exciting to watch.
Here's one from 2007: