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Tropical instability waves, often abbreviated TIW, are a phenomenon in which the interface between areas of warm and cold sea surface temperatures near the equator form a regular pattern of westward-propagating waves. These waves are often present in the Atlantic Ocean, extending westward from the African coast, but are more easily recognizable ...
The waves are partially caused by the deposition of sediment as the river slows, as well as mixing with ocean waves. The waves, wind, and current are hazardous for vessels of all sizes. The Columbia current varies from 4 to 7 knots (7.4 to 13.0 km/h ) westward, and therefore into the predominantly westerly winds and ocean swells, creating ...
In October 1977, the tanker MS Stolt Surf encountered a rogue wave on a voyage across the Pacific from Singapore to Portland, Oregon. Her engineer took photos of the wave, which was higher than the 72-foot (22 m) bridge deck. [31] The six-year-old, 37,134-ton barge carrier MS München was lost at sea in 1978.
Larry Smith, a meteorologist at the NWS office in Monterey, California, said in 2013, "Though the terms 'sneaker' and 'rogue' wave are often used interchangeably in media reports, Smith considers ...
In 2004, scientists using three weeks of radar images from European Space Agency satellites found ten rogue waves, each 25 metres (82 ft) or higher. [13] A rogue wave is a natural ocean phenomenon that is not caused by land movement, only lasts briefly, occurs in a limited location, and most often happens far out at sea. [1]
For a depth of four kilometres, the wave speed, , is about 200 metres per second, but for the first baroclinic mode in the ocean, a typical phase speed would be about 2.8 m/s, causing an equatorial Kelvin wave to take 2 months to cross the Pacific Ocean between New Guinea and South America; for higher ocean and atmospheric modes, the phase ...
A hole in a 600-mile-long fault line has been discovered at the bottom of the Pacific ocean - and it could be the trigger of a magnitude-9 earthquake on the US coast. Just outside of Oregon ...
Mavericks is a surfing location in northern California outside Pillar Point Harbor, just north of the town of Half Moon Bay at the village of Princeton-by-the-Sea.After a strong winter storm in the northern Pacific Ocean, waves can routinely crest at over 25 ft (8 m) and top out at over 60 ft (18 m).