Guinness World Records - Officially Amazing

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For the record

  • Who: Supercell

  • What: Longest-lasting thunderstorms

  • Where: Not Applicable

Supercells are powerful thunderstorms which form around a mesocyclone, a deep, rotating updraft. At up to several kilometres across, they can last several hours, making them the longest-lasting and largest of all thunderstorms. They often occur on the Great Plains of the USA and can spawn tornadoes.

 

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