Whirlpools are formed by the combination of strong currents, narrow channels, and rapidly changing underwater topography. Dangerous whirlpools are rare and require currents of 10 knots or more. Small, ...
The Corryvreckan whirlpool is a fierce, circular current between the Scottish isles of Jura and Scarba. Nicknamed the "raging cauldron," it almost killed George Orwell and his son Richard in 1947. The ...