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