rogue wave

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An exceptionally large wave that far exceeds those encountered in the prevailing sea state, with heights reaching 25–30 metres. Currently poorly understood, but initial studies using data from the European Remote Sensing Satellites reveal that such waves are more frequent than previously suspected, particularly at locations where normal wind-induced waves and swell encounter strong currents and eddies, from which energy is extracted, increasing wave height. The study confirmed the occurrence of rogue waves on the notoriously dangerous Agulhas Current off southern Africa, but also revealed severe conditions where the Gulf Stream interacted with waves from the Labrador Sea.

Subjects: Meteorology and Climatology.

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