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Rogue waves “more extreme”

Rogue waves “more extreme” 22 March 2019

Rogue waves occurring less but ‘becoming more extreme’ (via BBC News)

Rogue waves – huge swells that can appear from calm seas – are occurring less often but becoming more extreme, data from the US coast suggests.

In the largest study of its kind, scientists analysed 20 years of observations from buoys situated along America’s western seaboard.

They found that between 1994 and 2016, the waves decreased slightly in frequency but increased in height.

Scientists want to better understand how and when these waves may strike.

They pose a growing threat for the global shipping industry.

Defined as a wave that’s more than twice as high as the background ocean, some can reach more than 30m and at their most destructive can sink a ship or sweep people out to sea.

Read more via BBC News…