SPRITE STORM OVER EUROPE: This weekend, a powerful thunderstorm over central Europe produced a furious outburst of sprites unlike anything local observers had seen before. Among hundreds of normal sprites lancing up from the thunderhead were dozens of rare "decapitated jellyfish"--sprites shaped like sea creatures with tentacles but no heads. How these strange forms of upward-directed lightning are produced is still a mystery. Visit today's edition of Spaceweather.com for pictures and more information.
