steveh
New member
I waved to a PWC & a stinkie - don't know how they picked it up on radar though !!!
Rogue Waves
- Thread starter steveh
- Start date
Twister_Ken
Well-known member
Was the programme any good? I fell asleep about 10 minutes in and woke during Newsnight
tcm
...
Brief synopsis
It told of the rogue large waves of 30metres high, initially believed to occur only when counter currents in high winds force up large waves, but more recently occuring elsewhere. Essentially schrondingers equation (which is a bit complicated, cue beardy yank writing on whiteboard) explains the phenomenon, making it difficult if not impossible to predict the occurrence of large 30metre high not-so-freak waves.
Conclusion: stay out of the southern ocean, and even then, ooer.
It told of the rogue large waves of 30metres high, initially believed to occur only when counter currents in high winds force up large waves, but more recently occuring elsewhere. Essentially schrondingers equation (which is a bit complicated, cue beardy yank writing on whiteboard) explains the phenomenon, making it difficult if not impossible to predict the occurrence of large 30metre high not-so-freak waves.
Conclusion: stay out of the southern ocean, and even then, ooer.
Twister_Ken
Well-known member
Re: Brief synopsis
Did aforementioned cuddly yank explain why this doesn't happen in the Solent?
Did aforementioned cuddly yank explain why this doesn't happen in the Solent?
ccscott49
Active member
Re: Brief synopsis
It doesn't??
It doesn't??
tcm
...
Re: Brief synopsis
The spiky women with satllite pics showed lots of red blobs a confortable 3,000 miles from the solent. However, if a dozen of so really massive 30-tonne stinkyboats plane over to beaulieu with a f9 SW blowing, and the equation diiferentiates in whole numbers or whatever, it could cause a bit of a mess in hamble.
The spiky women with satllite pics showed lots of red blobs a confortable 3,000 miles from the solent. However, if a dozen of so really massive 30-tonne stinkyboats plane over to beaulieu with a f9 SW blowing, and the equation diiferentiates in whole numbers or whatever, it could cause a bit of a mess in hamble.
JerryHawkins
Member
It seems to be a very deep water phenomenon. Well, I think I'm going to cancel my voyage to the antarctic this year!!!
Jerry
Jerry
Caronia
New member
Re: Brief synopsis
What I do not understand here is why Shroedingers Cat is any different from a monohull.
What I do not understand here is why Shroedingers Cat is any different from a monohull.
qsiv
New member
Thank God someone else does that SWMBO thinks that it is a unique weakness of mine!
dickh
New member
Quite interesting programme, SHMBO immediate comment was "I'm never going on the boat again!!"...
This did seem to be only applicable to the Southern Ocean, particularly around Sopth Africa.
Just as frightening is reading "Heavy Weather Sailing" - I have the first edition - would put you off sailing for ever!
dickh
I'd rather be sailing...
This did seem to be only applicable to the Southern Ocean, particularly around Sopth Africa.
Just as frightening is reading "Heavy Weather Sailing" - I have the first edition - would put you off sailing for ever!
dickh
I'd rather be sailing...
ToMo
New member
Hang on a minute!.......didn't they say that they thought that the Munchen was knocked under by a freak wave...and wasn't she sailing the Atlantic bound for USA?
TôMö
TôMö
Chris_Robb
Well-known member
They could have got it over in 15 minutes - They implied that all teh naval architect did not believe a wave could be over the standarf size - never heard such bollocks in all my life. What was slightly interesting was that they sort of showed the process by which rogue waves grew.
It was really a typical documentary labouring again and again the same point, not surprised Ken fell asleep! Reminds me of a documentary where they managed to convince themselve that a boat shape hole in the ground n the mountains in turkey was Noahs ark!
However the real damage that was done because SWMBO watched it and now doesn't want to sail again!!! all my plans totally B.....d up
It was really a typical documentary labouring again and again the same point, not surprised Ken fell asleep! Reminds me of a documentary where they managed to convince themselve that a boat shape hole in the ground n the mountains in turkey was Noahs ark!
However the real damage that was done because SWMBO watched it and now doesn't want to sail again!!! all my plans totally B.....d up
Chris_Robb
Well-known member
Re: Brief synopsis
It does - Ive seen one Buurp
It does - Ive seen one Buurp
tome
New member
Same programme?
I understood that there were 3 types of wave:
1 The linear wave theory which predicts wave sizes based on a distribution curve
2 Rogue waves caused by interaction with Ocean currents, the example being the Aghulas current off S Africa
3 Rogue waves described by a particular quantum formula which shows waves taking energy from the waves ahead and behind them until they heap up into 30m monsters which slow down and then break - these can occur anywhere in deep water.
Fortunately SWMBO was out teaching so missed seeing this - just about persuaded her that a trip across the pond to Caribbean would be fun "one day", bet this would have changed her mind!
I understood that there were 3 types of wave:
1 The linear wave theory which predicts wave sizes based on a distribution curve
2 Rogue waves caused by interaction with Ocean currents, the example being the Aghulas current off S Africa
3 Rogue waves described by a particular quantum formula which shows waves taking energy from the waves ahead and behind them until they heap up into 30m monsters which slow down and then break - these can occur anywhere in deep water.
Fortunately SWMBO was out teaching so missed seeing this - just about persuaded her that a trip across the pond to Caribbean would be fun "one day", bet this would have changed her mind!
jimi
Well-known member
Re: Same programme?
I watched this, and quite frankly was scared shitless at the thought of meeting one of these beasties! It did make me wonder at your survival chances in what already would be a survival situation, presumably you'd be running trailing warps or a drogue but I sort of think that it would be "Goodnight Vienna!" .. what do you reckon
I watched this, and quite frankly was scared shitless at the thought of meeting one of these beasties! It did make me wonder at your survival chances in what already would be a survival situation, presumably you'd be running trailing warps or a drogue but I sort of think that it would be "Goodnight Vienna!" .. what do you reckon
tjm
New member
My other half said the same thing ,and we only sail on Windermere!!
Ohdrat
New member
Re: Same programme?
What happens when No. 2 waves ("2 Rogue waves caused by interaction with Ocean currents, the example being the Aghulas current off S Africa") and No 3 waves ("3 Rogue waves described by a particular quantum formula which shows waves taking energy from the waves ahead and behind them until they heap up into 30m monsters which slow down and then break - these can occur anywhere in deep water.") combine... ?
What happens when No. 2 waves ("2 Rogue waves caused by interaction with Ocean currents, the example being the Aghulas current off S Africa") and No 3 waves ("3 Rogue waves described by a particular quantum formula which shows waves taking energy from the waves ahead and behind them until they heap up into 30m monsters which slow down and then break - these can occur anywhere in deep water.") combine... ?
G
Guest
Guest
Hi All, newbie making first post here.
Bought our first baby yacht (don't laugh) 2 months ago and watched Horizon with SWMBO, so just revised plans accordingly re: proposed Atlantic crossing in Leisure23...seriously, I do wonder what a yacht would do faced with such a wave, seems like a zero survivability thing to me.
When a teenager of 14 I emigrated with my family to Canada and we took a Polish passenger ship, the Stefan Batory, from Tilbury to Montreal via the St Lawrence. In the ships photographers shop there was this remarkable black and white photo on the wall. It was taken by the man himself the previous year (it would have been Nov 1973) from the lifeboat deck about 50-60 odd feet above waterline. It showed a wall of water coming in towering at least another 30+ feet above his position. He got inside, just, and it hit the ship semi-beam on, rolled her and took portholes out all down the port side of the ship. Being an Eastern bloc boat she was built like the proverbial brick sh*thouse so lived to sail another day. Since then though I've always taken it as read that waves of this size existed and was actually surprised to find yesterday that there was any doubt about them.
3 days out we did experience a F8-9 gale which was quite remarkable and I remember saying to my Dad I would never cross the Atlantic in anything smaller than a fully stabilised 18k5 ton ship ( I think the Routes du Rhum bears this out...)
Sorry, long boring post. Won't do it again promise.
Bought our first baby yacht (don't laugh) 2 months ago and watched Horizon with SWMBO, so just revised plans accordingly re: proposed Atlantic crossing in Leisure23...seriously, I do wonder what a yacht would do faced with such a wave, seems like a zero survivability thing to me.
When a teenager of 14 I emigrated with my family to Canada and we took a Polish passenger ship, the Stefan Batory, from Tilbury to Montreal via the St Lawrence. In the ships photographers shop there was this remarkable black and white photo on the wall. It was taken by the man himself the previous year (it would have been Nov 1973) from the lifeboat deck about 50-60 odd feet above waterline. It showed a wall of water coming in towering at least another 30+ feet above his position. He got inside, just, and it hit the ship semi-beam on, rolled her and took portholes out all down the port side of the ship. Being an Eastern bloc boat she was built like the proverbial brick sh*thouse so lived to sail another day. Since then though I've always taken it as read that waves of this size existed and was actually surprised to find yesterday that there was any doubt about them.
3 days out we did experience a F8-9 gale which was quite remarkable and I remember saying to my Dad I would never cross the Atlantic in anything smaller than a fully stabilised 18k5 ton ship ( I think the Routes du Rhum bears this out...)
Sorry, long boring post. Won't do it again promise.
tome
New member
Body swerve
Reckon you're right. There's only one chance with a rogue wave - avoid it! Probaby no chance at night, but if you saw it far enough in advance maybe you could outrun it? After all it's moving slowly and once it's crashed it's no longer dangerous.
They hinted at this in the programme, but what a shame they didn't look at more sophisticated avoidance tactics than 'keep clear of the Aghulas current'.
Reckon you're right. There's only one chance with a rogue wave - avoid it! Probaby no chance at night, but if you saw it far enough in advance maybe you could outrun it? After all it's moving slowly and once it's crashed it's no longer dangerous.
They hinted at this in the programme, but what a shame they didn't look at more sophisticated avoidance tactics than 'keep clear of the Aghulas current'.
tome
New member
Re: Same programme?
Don't thinks they could combine. Believe both are same rogue waves, but caused by different things. Once a rogue gets to a certain height it collapses under it's own weight, so probably the awesome 30m is as high as it can get.
At least, I hope so!
Don't thinks they could combine. Believe both are same rogue waves, but caused by different things. Once a rogue gets to a certain height it collapses under it's own weight, so probably the awesome 30m is as high as it can get.
At least, I hope so!
