dame-de-pique:William N. Jennings, c.1885 Vertical discharge with dark branchesRibbon Lightning,
dame-de-pique: William N. Jennings, c.1885 Vertical discharge with dark branches Ribbon Lightning, North Dakota Prairie “Beaded” Lightning “Ribbon” Lightning A Thunderbolt Vertical Discharge, 5,000 feet long Parallel Discharge Tree form of lighting -- source link