16th June 2010
Multiple tower upward lightning flash captured at 9,000 images per second in Rapid City, SD on 6/16/10. A preceding downward positive ground flash triggers upward leaders from seven towers, three of which are visible in the video.
[YOUTUBE]-bvmEYxEYiA&feature=player_embedded[/YOUTUBE]
Multiple tower upward lightning flash captured at 9,000 images per second in Rapid City, SD on 6/16/10. A preceding downward positive ground flash triggers upward leaders from seven towers, three of which are visible in the video.
[YOUTUBE]-bvmEYxEYiA&feature=player_embedded[/YOUTUBE]