Fewer Lightning Strikes in Brittany, but More Violent

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The Finistère is the department of France that has the least lightning. Less than one lightning stroke per square kilometre on average compared to four in the South of France. Less lightning, but often more powerful phenomena than elsewhere, especially in winter. The intensity of the electric current of a flash measured in ampere can be up to twice as powerful. To protect cities from thunderstorms, lightning rods remain indispensable in the Fini…