Rogue and Extreme Storm Waves - Marine Weather - gCaptain …
Dutchie November 30, 2020, 8:43pm 7. In the Rayleigh distribution rogue waves are defined as individual waves whose height is larger then 2Hs or 2.5Hs. The probability that a wave exceeds 2.5Hs can be calculated as 0.00000374 what means that only one wave can be expected out of 267326 that exceeds 2.5Hs. 1 Like.
Rogue and Extreme Storm Waves - Page 2 - Marine Weather
2020年12月1日 · Rogue Waves. Rogue waves have been part of marine folklore for centuries. They are generally considered to be unexpectedly high waves which in some instances come from a direction different from the predominant waves in the local area. A single rogue wave has certainly been known to spell disaster for the mariner.
Most Extreme Rogue Wave on record - gCaptain Forum
2023年1月12日 · HSC operate on Significant Wave Height; ours use 3.5 metres. A ‘significant’ wave is the average of the 3 highest waves; this could mean wave heights between 3.4 metres and 3.6 metres. Or between 2.5 metres and 4.5 metres. It wasn’t the 2.5 metre one that forced the bone outside of the old ladies leg instead of the inside where it was ...
Rogue waves - Scuttlebutt - gCaptain Forum
2015年6月29日 · My experience with rogue waves is just one from a significantly different direction than the rest. Not to say there aren’t different types and whatnot though. One memorable example was steaming up just west of the gulf stream in a steady northerly wind taking steady 6-8’ ahead and getting blasted by a steep 10-12’ out of the east once in ...
Rogue Wave study - Marine Weather - gCaptain Forum
2018年1月10日 · Rogue Waves can occur in strong currents like the Gulf Stream: “Because waves slow when they encounter an opposing current, they also refract. Just as bends in the coastline concentrate or diffuse wave energy, bends and meanders in ocean currents similarly concentrate and diffuse wave energy. Wave refraction is one possible origin for rogue ...
Rogue Wave Recreated In Laboratory - gCaptain Forum
2019年1月24日 · The so-called “Draupner Wave” which struck a North Sea oil platform and yielded instrumentation data of rogue waves, has been recreated at University of Edinburgh by Oxford and Edinburgh researchers: News Article Technical Paper Cheers, Earl
Draupner wave - The single measurement that changed …
2024年2月1日 · In the context of modeling rogue waves in oceanography, it is specifically the Non-Linear Schrödinger Equation (NLSE) that is being referenced. The NLSE is a variant of the Schrödinger equation from quantum mechanics, adapted for use in classical wave dynamics, particularly to model the behavior of waves in non-linear media like ocean water.
Monster wave hits Durban beach - Scuttlebutt - gCaptain Forum
December 18, 2022 at 11:01 a.m. EST. JOHANNESBURG — South Africa’s coastal city of Durban has closed its North Beach after three people died when they were hit by a large wave, emergency officials said on Sunday. The Emergency Medical Services “responded to reports of a freak wave that swept a group of beachgoers against the pier causing ...
Raw data: Containers lost at sea - Kevin Drum - gCaptain Forum
2024年1月30日 · The speed of waves in shallow water can be given by v shallow≈√SQR gh (assuming λ >> h and A << h, where A is the wave amplitude, and h is simply the depth of the water). above explains re waves speed and on routes via Cape google " rougue waves of Aghulhas current. " and weather conditions required for steep freak waves creation.
7 1/2 Story Wave Reported Off California Coast - gCaptain Forum
2019年12月10日 · Swells, generally. If you look at marine forecasts for california, they break the sea prediction down to swell and wind waves with a period. Usually if the wind is cranking, they’ll say combined seas with a ‘dominant’ period. “…sw swell 4-7 ft @16 seconds. Wind waves 2-3 ft…w to nw wind 10-15kts …”