An especially powerful whirlpool is known as a maelstrom; one of the more notable maelstroms is the Moskstraumen, an immense network of eddies and whirlpools off the coast of Norway. Several things can lead to the formation of a whirlpool. Most commonly, whirlpools are caused by the meeting of opposing currents. When the currents are strong enough, they can start to wrap around each other, creating a spiral of rapidly swirling water.
In this May 20, 2014, file photo, Cleveland Cavaliers general manager David Griffin, left, and minority owner Jeff Cohen celebrate after the Cavaliers won the top pick in the the NBA basketball draft lottery in New York. The 2015 NBA draft lottery will take place in New York on Tuesday, May 19, 2015.
How the 2016 NHL draft lottery works. The NHL Draft Lottery is April 30 so we look at how the first pick will be decided, who is eligible and what it means if your favourite team doesn't will the chance to select top prospect Auston Matthews. Steve Dangle. April 22, 2016, 9:11 PM. Steve Dangle April 22, 2016, 9:11 PM.