Monster waves

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robinson
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Post by robinson »

Found the BBC documentary on this.
- Part 1, links to the other parts from there

Ed, I wouldn't watch this, it will give you nightmares

Yeti, you shouldn't watch either. It makes you look dumb. Or was that jj?

Cool video of a rogue wave breaking over an aircraft carrier
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ed
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Post by ed »

98% of rogue waves occur out of sight of humans and of those observed by humans only the smallest waves (lowest 45%) are reported inasmuch as no observers survive encounters with the largest ones.
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robinson
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Post by robinson »

According to the BBC documentary, freak waves are so common they shouldn't be called freak waves anymore.

Until something else happened .... involving the Caledonian Star ...
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En folkefiende
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Post by En folkefiende »

ed wrote:98% of rogue waves occur out of sight of humans and of those observed by humans only the smallest waves (lowest 45%) are reported inasmuch as no observers survive encounters with the largest ones.
That is the difficulty with such things.
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robinson
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Post by robinson »

ed wrote:98% of rogue waves occur out of sight of humans and of those observed by humans only the smallest waves (lowest 45%) are reported inasmuch as no observers survive encounters with the largest ones.
You really do like making up statistics!
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ed
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Post by ed »

Yes, I do.

And I do it well.

I do it with .... Impunity.

About 98.5% of the time.
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En folkefiende
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Post by En folkefiende »

ed wrote:Yes, I do.

And I do it well.

I do it with .... Impunity.

About 98.5% of the time.
Well, if you consider how much of the open ocean humans are watching to that degree of accuracy, it doesn't sound like such a bad estimate.
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ed
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Post by ed »

jj wrote:
ed wrote:Yes, I do.

And I do it well.

I do it with .... Impunity.

About 98.5% of the time.
Well, if you consider how much of the open ocean humans are watching to that degree of accuracy, it doesn't sound like such a bad estimate.
Actually, I stole the notion from Sebastian Junger's book. I made up the stats with an eye toward truthyness.

Voila!!!

An apparent fact!!!

Internet style. :D
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EvilYeti
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Post by EvilYeti »

robinson wrote:Found the BBC documentary on this.
- Part 1, links to the other parts from there

Ed, I wouldn't watch this, it will give you nightmares

Yeti, you shouldn't watch either. It makes you look dumb. Or was that jj?

Cool video of a rogue wave breaking over an aircraft carrier
I emailed one of my contacts that works with the pacific tsunami warning center.

They have sensors all over the pacific basin.

No evidence of rogue waves to date.

So, apparently, you are completely full of shit.

Which is to be expected, of course. Nice try, though.
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Post by DrMatt »

But did the wave sing Wubba Wubba Wubba Doodly Doo?

Using seismic sensors to measure wave height is like using a pot roast thermometer to measure wind speed. Yeah, you can probably do it, but it's not the most efficent and accurate tool for the job at hand.
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robinson
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Post by robinson »



Interesting video. The wave passed from stern to bow, and they got video of it as it was moving away from them. You can see at one point the triangular shape of the peak. Even from the back it is awesome.

From that video I can see how if the triangular looking peak was to hit a ship, it would be just like sailors always said, a wall of water, with a huge hole in front of it.

And it is breaking, unlike a normal deep ocean swell.

It looks like two of them, the second one peaks almost right in front of the bow. You can see the size of the normal waves, by comparison very small.
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EvilYeti
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Post by EvilYeti »

DrMatt wrote:
Using seismic sensors to measure wave height is like using a pot roast thermometer to measure wind speed. Yeah, you can probably do it, but it's not the most efficent and accurate tool for the job at hand.
Which is why they don't use seismic sensors.

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Post by Geni »

robinson wrote:

Interesting video. The wave passed from stern to bow, and they got video of it as it was moving away from them. You can see at one point the triangular shape of the peak. Even from the back it is awesome.
Nope nowhere near freak wave size.
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EvilYeti
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Post by EvilYeti »

Geni wrote:
robinson wrote:

Interesting video. The wave passed from stern to bow, and they got video of it as it was moving away from them. You can see at one point the triangular shape of the peak. Even from the back it is awesome.
Nope nowhere near freak wave size.
Yup. So far he's posted nothing but videos of big waves.

And apparently, big waves do exist. Despite the apparent skepticism of the evil scientists.
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robinson
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Post by robinson »

robinson wrote:

My favorite, clip stops when water smashes through the bridge windows
After watching the BBC show, that clip is actually stolen from the show, not a real video. A recreation for the BBC documentary.

Obviously the trolls here didn't watch the clips, evidenced by their stupid claims that nothing but big waves have been shown on the YouTube links.

That recreation was of a 30 meter wave that almost destroyed the ship, smashing all controls, stopping the engines and causing the liner to almost sink.

But keep up your stupid commentary, it brings many lulz.
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EvilYeti
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Post by EvilYeti »

robinson wrote: Obviously the trolls here didn't watch the clips, evidenced by their stupid claims that nothing but big waves have been shown on the YouTube links.
Rogue waves, also known as freak waves, monster waves or extreme waves, are relatively large and spontaneous ocean surface waves that are a threat even to large ships and ocean liners. In oceanography, they are more precisely defined as waves whose height is more than twice the significant wave height (SWH), which is itself defined as the mean of the largest third of waves in a wave record. Therefore rogue waves are not necessarily the biggest waves found at sea; they are, rather, surprisingly large waves for a given sea state.
Were any of the waves in the videos more than twice the significant wave height during the period of their observation?

If not, wouldn't that make you the troll?

Edit: I just saw the Deadliest Catch clip. That's the only one that looks legit to me.
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robinson
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Post by robinson »

3 Men Watching Surf Drown in Rogue Wave Along California Coast

http://www.foxnews.com/story/0,2933,458647,00.html
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Mentat
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Post by Mentat »

How does a wave break out at sea?
It's "pea-can", man.

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robinson
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Post by robinson »

Mentat wrote:How does a wave break out at sea?
They don't seem to "break" like a wave onshore, where the energy is turned into heat and mechanical energy, but at some point the wave face is so high the front of the wave is white from foam, as water falls down the face of the wave.

In other news
http://www.bloomberg.com/apps/news?pid= ... M&refer=us

Boothbay Harbor, Maine, gets hammered. Fortune has it that monitoring stations showed evidence of the waves, which makes it hard for "skeptics" to deny it happened. The twisted inch-thick steel pins and destroyed boat ramps also is considered evidence of freak waves coming ashore there. (You can't go by the hundreds of eye witnesses who actually saw the event, because people lie about this stuff).
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Post by EvilYeti »

robinson wrote:
Boothbay Harbor, Maine, gets hammered. Fortune has it that monitoring stations showed evidence of the waves, which makes it hard for "skeptics" to deny it happened.
Breaking news... skeptics prove rouge waves exist...

http://en.wikipedia.org/wiki/Draupner_wave

...in 1995.