http://news.yahoo.com/news?tmpl=story&cid=1540&u=/afp/science_sea&printer=1
Those are some big waves! :Q
Those are some big waves! :Q
SCIENCE: Rogue Waves Confirmed by Satellite Imagery
- Thread starter conjur
- Start date
I admit I have not read the article. Does it mention if these waves happen during clear skies or only during storms? Can't imagine taking a nice cruise, beautiful cloudless night and looking over to find a 100 ft wave coming in:Q
http://www.maritimematters.com/shipnews2001a.html
Looks like the BREMEN was enduring a storm but it doesn't mention anything on the CALEDONIAN STAR
http://www.ifremer.fr/metocean/conferences/rogue_wave.htm
Just gale winds around but the skies don't look that threatening.
Looks like the BREMEN was enduring a storm but it doesn't mention anything on the CALEDONIAN STAR
http://www.ifremer.fr/metocean/conferences/rogue_wave.htm
Just gale winds around but the skies don't look that threatening.
Ever see that movie "white squall"?
The white squall is a phenom often fabled but never recorded therefore cast as a myth. Watch the flick, it's pretty good.
Nice article BTW
The white squall is a phenom often fabled but never recorded therefore cast as a myth. Watch the flick, it's pretty good.
Nice article BTW
I'll need to dig up a link, but it sounds like what Air Force pilots saw for years flying really high. Apparently when lightning goes off it causes(or indirectly causes) a light show high above in the Earths atmosphere.
Pilots supposedly did not report it for years for fear of being grounded for "seeing things".
So maybe these "once in a thousand years" waves are lot more common than thought.
Great post Conjur!
Pilots supposedly did not report it for years for fear of being grounded for "seeing things".
So maybe these "once in a thousand years" waves are lot more common than thought.
Great post Conjur!
I can tell you with certainty these waves can appear out of a clear blue calm day.
I grew up on Long Island and we had a 32 ft Cabin Cruiser. One crisp sunny day off Montauk Point we survived a wave that had to be at least 70 ft tall. It smashed the front windows and we came as close as you can get to rolling over without going all the way over, we were just plain lucky.
It was so weird because right on the other side of the wave was just as calm like it never happened. I was expecting that a storm had kicked up but there was nothing after the wave. Needless to say our fishing for the day was done as we limped home with the boat in shambles.
I wonder if they're triggered by wind, shifts in currents, seismic activity, or landslides? Or maybe some of all of those?
I know several years ago, a 29-foot wave hit Daytona Beach. It was caused by a landslide off-shore. I wasn't there when that happened but we were a few months later. Some big areas of grass were dead at the hotel we stayed in. We heard stories about the wave going all the way past the line of hotels and across A1A and into the stores across the street.
I know several years ago, a 29-foot wave hit Daytona Beach. It was caused by a landslide off-shore. I wasn't there when that happened but we were a few months later. Some big areas of grass were dead at the hotel we stayed in. We heard stories about the wave going all the way past the line of hotels and across A1A and into the stores across the street.
The Maelstrom is real too.
It just took Science all these years to have the Technology to see these pheonomena on our equipment to confirm their existence.
It just took Science all these years to have the Technology to see these pheonomena on our equipment to confirm their existence.
CaptnKirk
Lifer
- Jul 25, 2002
- 10,053
- 0
- 71
We used to live in Lompoc, California.
The beach there at Surf has a history of danger
While we lived there, there was a 'Rogue Wave' that swept a man and his dog
out to sea, the man was lost but somhow the dog made it back to shore.
This streach of coastline in Central California has the highest incident of shipwreaks
in the entire country, there was a grounding every year for the 5 years I lived there.
In 1923 the Navy lost a large part of a fleet during a cruise down the coast there.
The remains of these Destroyers are only a quarter of a mile from the SLC-6
(Space Launch Complex-6) where the Space Shuttle Launch Pad was being built.
The Cumash Indians had a history of legends of the Sea taking the men away
from the tribes in that area - all were about a sudden single wave that came
from nowhere and pulled the men to their deaths. The story is that no one was
to allow an unaccompanied male to go on the beach or the 'Bride in the Ocean'
would would steal them for their own.
The beach there at Surf has a history of danger
While we lived there, there was a 'Rogue Wave' that swept a man and his dog
out to sea, the man was lost but somhow the dog made it back to shore.
This streach of coastline in Central California has the highest incident of shipwreaks
in the entire country, there was a grounding every year for the 5 years I lived there.
In 1923 the Navy lost a large part of a fleet during a cruise down the coast there.
The remains of these Destroyers are only a quarter of a mile from the SLC-6
(Space Launch Complex-6) where the Space Shuttle Launch Pad was being built.
The Cumash Indians had a history of legends of the Sea taking the men away
from the tribes in that area - all were about a sudden single wave that came
from nowhere and pulled the men to their deaths. The story is that no one was
to allow an unaccompanied male to go on the beach or the 'Bride in the Ocean'
would would steal them for their own.
there's a show on the discovery channel about the bermuda triangle, it describes rogue waves similar to this and lists the possible cause of large air pockets under water being relesed suddenlt. It's worth a watch if it's on.
- Aug 22, 2001
- 32,036
- 32,521
- 146
Thanks!
That's the one I was talking about! Ok...only 18' high. I guess the people down there exaggerated it a bit in their tales to us.
I was down there about a month after that wave hit. If that had hit at daytime, I imagine there would have been many dead.
- Aug 22, 2001
- 32,036
- 32,521
- 146
The Florida Today ran a story afterwards about 2 surfers from this area, that during the 60's or 70's, can't remember which, claimed they caught a similar freak wave while doing a session on a fairly small day. No one ever believed their "tall tale" all those years until the Daytona event came along. Now, very few people doubt their story.Originally posted by: conjur
Thanks!
That's the one I was talking about! Ok...only 18' high. I guess the people down there exaggerated it a bit in their tales to us.
I was down there about a month after that wave hit. If that had hit at daytime, I imagine there would have been many dead.
I have lived near Cocoa Beach my entire life and having been caught inside on some very freakish clean up sets that break way outside of anything else the swell was producing, I fully believe that rouge waves are out there. I just haven't been lucky enough to be out when one came through
heh.
An interesting thing researching that Daytona wave is all of the evidence and claims of a meteorite strike. I'd never heard that before.
An interesting thing researching that Daytona wave is all of the evidence and claims of a meteorite strike. I'd never heard that before.
I think there is some confusion here. AFAIK no one has denied that there can be huge waves after for examnple an underwater earthquake or a land slide, waves resulting from these phenomena are common; but it is also easy to find the cause (you can register the seismic activity),
The term "rogue wave" refers to waves that are biggen than they "should be" accoring to the "linear model" which has been used for many decades. The linear model predicts a certain distribution of waves, i.e. if the average wave height is 10 feet the probability that you will encounter a 50 feet wave is very low, and the probability is even lower for a 60 feet wave and so on.
A "rogue wave" is a wave that does not follow this distribution and is much higher, however is does not have to be huge, just much higher than the average wave height.
So a rogue wave is not dangerous for most ships unless you are in a bad storm.
The existance of rogue waves was confirmed (under controlled conditions) about 10 years ago when measurements were done in the north sea (oil rigs)
As far as I understand it is a "normal" non-linear phenomena; meaning that there is nothing really new- It is just that no one thought that waves like these (which are common, and used, in for example optics) could occur in water.
The term "rogue wave" refers to waves that are biggen than they "should be" accoring to the "linear model" which has been used for many decades. The linear model predicts a certain distribution of waves, i.e. if the average wave height is 10 feet the probability that you will encounter a 50 feet wave is very low, and the probability is even lower for a 60 feet wave and so on.
A "rogue wave" is a wave that does not follow this distribution and is much higher, however is does not have to be huge, just much higher than the average wave height.
So a rogue wave is not dangerous for most ships unless you are in a bad storm.
The existance of rogue waves was confirmed (under controlled conditions) about 10 years ago when measurements were done in the north sea (oil rigs)
As far as I understand it is a "normal" non-linear phenomena; meaning that there is nothing really new- It is just that no one thought that waves like these (which are common, and used, in for example optics) could occur in water.
- Aug 22, 2001
- 32,036
- 32,521
- 146
Some ASSHAT local college prof. or such actually proposed that they check to be certain no Ohio class sub had made an emergency surface :laugh:
I wonder why Tsunamis are such a new thing to people. They have been around since forever and have been extensively documented.
Ships won't even notice it if they are on top of the Tsunami, at least not visualy. It is only noticeable when the wall of water moving across the ocean (sounds odd I know) starts to hit shallow water and touches the seafloor, which makes the water rise out of the water like a wall. That's when you can get a wave that is tens of miles (or hundreds of miles) long and can quite litterally reach hundreds of meters or even miles inland (depending of the force of the landslide, earthquake, or meteor hit).
The water itself moves at up to 970km/hour so it's not like you can outrun it or even out drive it. The only protection is to be above it or far away from it. How fast it moves depends on how deep the ocean was where the landslide or earthquake started. Once they start a "run up" the wave generally reaches 30meter in height (98 feet).
Once it reaches land it will run out of space that can absorb the movement and it actually speeds up as it rushes across land.
The largest recorded Tsunami was caused by a landslide in 1958 in Lituya Bay, Alaska that created a 525 meter (1722 feet) tall wave.
Quite possibly the most frightening thing to witness on Earth.
Physics of Tsunamis
Ships won't even notice it if they are on top of the Tsunami, at least not visualy. It is only noticeable when the wall of water moving across the ocean (sounds odd I know) starts to hit shallow water and touches the seafloor, which makes the water rise out of the water like a wall. That's when you can get a wave that is tens of miles (or hundreds of miles) long and can quite litterally reach hundreds of meters or even miles inland (depending of the force of the landslide, earthquake, or meteor hit).
The water itself moves at up to 970km/hour so it's not like you can outrun it or even out drive it. The only protection is to be above it or far away from it. How fast it moves depends on how deep the ocean was where the landslide or earthquake started. Once they start a "run up" the wave generally reaches 30meter in height (98 feet).
Once it reaches land it will run out of space that can absorb the movement and it actually speeds up as it rushes across land.
The largest recorded Tsunami was caused by a landslide in 1958 in Lituya Bay, Alaska that created a 525 meter (1722 feet) tall wave.
Quite possibly the most frightening thing to witness on Earth.
Physics of Tsunamis
TRENDING THREADS
-
Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)- Started by DisEnchantment
- Replies: 25K
-
Discussion Intel Meteor, Arrow, Lunar & Panther Lakes + WCL Discussion Threads
- Started by Tigerick
- Replies: 22K
-
News NVIDIA and Intel to Develop AI Infrastructure and Personal Computing Products- Started by poke01
- Replies: 384
-
Discussion Intel current and future Lakes & Rapids thread- Started by TheF34RChannel
- Replies: 23K
Facebook
Twitter