Photographers in the Puget Sound area captured these striking images on Friday, Aug. 9, 2013. Here are a few by Seattle photographer Tim Durkan.

Credit Tim Durkan

Credit Tim Durkan

Credit Tim Durkan

Credit Tim Durkan

Credit Tim Durkan
Here's one from photographer Gary Deyo.

Credit Gary Deyo
Jim Stiles captured the lightning storm in the Cascade Mountains. "The raw power of Mother Nature!" he wrote.

Credit Jim Stiles