Huge thunderbolt 'six times more powerful than normal' in London echoes across south east -- Sott.net
If your evening was disturbed by a massive clap of thunder last night, it's because an of an epic lightning bolt. The energy created by the 'positive strike' was around six times more powerful than a normal clap of thunder. It echoed across most...
I'm wondering how often they are this big. Is it a once in a lifetime event to see one?