The event began with the approach of two opposing electrical discharges: a downward-propagating leader from a thundercloud and an upward leader emerging from a television transmission tower in ...
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Why Lightning Follows the Path It Does

When lightning strikes, it looks chaotic. After all, it’s jagged, unpredictable, and seems to tear through the sky at random.
INTRODUCTION TO LIGHTNING: Lightning and thunderclouds -- The stepped leader -- The return stroke -- The dart leader -- More on strokes and flashes -- Intracloud discharges -- Strokes bringing ...