Severe Thunderstorm Warning issued October 10 at 7:10PM MST until October 10 at 7:45PM MST by NWS Tucson AZ
The warning covered parts of Pima and Pinal counties, Arizona, citing observed severe thunderstorms with 60 mph wind gusts and small hail. The source instructed people to seek shelter immediately inside a sturdy structure and stay away from windows.
Illustrative image: Sometimes it pays to wait the storm out! Once the storm from the previous shot had decided to blow over the light show started. Kind of surprising since the majority of the lightning I've seen has usually been at the leading edge of a storm, not in the middle of it. What happened is that two different cloud banks came together on the far side of town and I'm guessing they didn't like each other and started to rumble! This was shot at my old stomping grounds, not far from the house. I've found a — A Guy Named Nyal/Wikimedia Commons, CC BY-SA 2.0