Rogue Waves

Halbhh

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Just fun.

Two weeks before Christmas in 1978, the cargo ship MS München encountered a fierce storm in the North Atlantic. Although the captain couldn’t evade it, the forecasted waves and winds should have posed no threat to the 261-meter-long ship. At midnight, just three hours earlier, an operator had radioed out to a cruise ship, “Have a good trip and see you soon.” Now came a distress call from the München — then silence. The West German vessel and its 28-person crew vanished, leaving behind just four lifeboats, three shipping containers, and a handful of flotation devices.

One clue in particular stumped investigators. A recovered lifeboat — originally bolted to the München about 20 meters above the water — appeared to have been ripped from its perch by a tremendous force hurtling toward the ship’s stern. Rumors circulated that a monstrous wave had crashed onto the deck from above, but such a swell was, at the time, unthinkable. West Germany’s Maritime Board of Inquiry eventually declared it “impossible to explain the cause of the sinking.”

Mariners have known for centuries what researchers have documented only in recent decades: The ocean is a far more dangerous place than common sense would suggest. Data-driven researchers long struggled to square sailors’ tales of monstrous “rogue” waves with the expectation that wave heights vary like human heights — clustering around an average with a few outliers dotting the thin tails of a bell curve. Sure, you might get a wave twice as tall as its neighbors in theory, but you’d have to watch the seas for a long time.

That skepticism changed on New Year’s Day in 1995, when a rogue wave struck the Draupner oil installation in the Norwegian North Sea. Equipped with a downward-pointing laser, the platform recorded a 26-meter wave spiking out of a sea filled with 11.8-meter waves — a nautical Bigfoot caught in a high-resolution snapshot. This hard evidence turned maritime myth into fact. Researchers have since determined that rogue waves probably claimed 22 supercarriers and more than 500 lives in the second half of the 20th century alone.... "
The Grand Unified Theory of Rogue Waves | Quanta Magazine
 
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Halbhh

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Is this like the crimson tide?

Oh, yeah, really big waves. Waves can combine together to get monstrous. Then there's the same thing in reverse, rogue holes, huge dips in the ocean.
yah....did the The Perfect Storm movie have some pretty good dip before the big one?

ah, we can look at least at a minute here :)

SPOILER -- It's a pretty good movie, so you may want to not watch this clip if you want to see the whole movie!
 
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Subduction Zone

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Too late to have fun with the typo in the title so I will try to add something constructive. The Slo Mo Guys did a video using one of the pools that was in the article. The wave generated by this pool in an attempt to mimic nature is quite impressive:

 
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Ophiolite

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SelfSim

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The Slo Mo Guys did a video using one of the pools that was in the article. The wave generated by this pool in an attempt to mimic nature is quite impressive:
Very cool apparatus (and video), but the idea of a spike wave like that one, occurring in nature, would require some pretty special conditions, eh?
Maybe some kind of a natural rock blow-hole?
 
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Halbhh

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Too late to have fun with the typo in the title so I will try to add something constructive. The Slo Mo Guys did a video using one of the pools that was in the article. The wave generated by this pool in an attempt to mimic nature is quite impressive:


Fun, a kind of collision ejecta, I'd call it. The ocean also does that pretty often I've seen on a much lower height.
 
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Subduction Zone

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Very cool apparatus (and video), but the idea of a spike wave like that one, occurring in nature, would require some pretty special conditions, eh?
Maybe some kind of a natural rock blow-hole?
It is of course idealized but it shows what happens when several waves coming together from different directions can do. We are after all discussing a rather rare event.
 
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Goonie

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Just fun.

Two weeks before Christmas in 1978, the cargo ship MS München encountered a fierce storm in the North Atlantic. Although the captain couldn’t evade it, the forecasted waves and winds should have posed no threat to the 261-meter-long ship. At midnight, just three hours earlier, an operator had radioed out to a cruise ship, “Have a good trip and see you soon.” Now came a distress call from the München — then silence. The West German vessel and its 28-person crew vanished, leaving behind just four lifeboats, three shipping containers, and a handful of flotation devices.

One clue in particular stumped investigators. A recovered lifeboat — originally bolted to the München about 20 meters above the water — appeared to have been ripped from its perch by a tremendous force hurtling toward the ship’s stern. Rumors circulated that a monstrous wave had crashed onto the deck from above, but such a swell was, at the time, unthinkable. West Germany’s Maritime Board of Inquiry eventually declared it “impossible to explain the cause of the sinking.”

Mariners have known for centuries what researchers have documented only in recent decades: The ocean is a far more dangerous place than common sense would suggest. Data-driven researchers long struggled to square sailors’ tales of monstrous “rogue” waves with the expectation that wave heights vary like human heights — clustering around an average with a few outliers dotting the thin tails of a bell curve. Sure, you might get a wave twice as tall as its neighbors in theory, but you’d have to watch the seas for a long time.

That skepticism changed on New Year’s Day in 1995, when a rogue wave struck the Draupner oil installation in the Norwegian North Sea. Equipped with a downward-pointing laser, the platform recorded a 26-meter wave spiking out of a sea filled with 11.8-meter waves — a nautical Bigfoot caught in a high-resolution snapshot. This hard evidence turned maritime myth into fact. Researchers have since determined that rogue waves probably claimed 22 supercarriers and more than 500 lives in the second half of the 20th century alone.... "
The Grand Unified Theory of Rogue Waves | Quanta Magazine
Reminds me of this
https://www.google.com/url?sa=t&sou...Vaw1aKDHZdTBMtrSEhAgjfD2U&cshid=1582993333213
The disappearance of a lighthouse crew in 1900, now believed to have been carried away by a rogue wave.
 
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