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#11
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New Software Could Warn Sailors of Rogue Waves
On Nov 27, 6:04 pm, Brian Whatcott wrote:
Er...that would be a long wind fetch on an adverse current, I take it? That certainly does create steep frequent waves. Sorta like a "washboard road. I think Rogue Waves are a little diffrent in that it is significanly larger and not seemingly having any predictable pattern. Thats what freak evevyone out about them. Or a tsunami, no doubt. No expert here. Never been in a real big tsunami. I went to a tidal wave part in the 80s on the Oregon coast. I thing it registerd a couple inches and the OSU Marine Science Center but what ive heard is its not noticable at sea. Just at the shore when the water disaperars, then returns....... Phuket, Cresent City, CA and AK in way early 1960s Okay here is one condition that creates Rogues waves....... take the Pacific. You have a huge Low in the Gulf of Alaska and another Low 3000 miles to the south and west. Both create long sea swells of diffrent duration and have thousand of miles to travel (fetch) untill they get to N 48 : Straights of Juan De****ya. You ve got local weather/ swells and then thoes swells from the big Lows way off just seem ot get in sink with a local normal swell all at the same place and same time that build to make a Hug "rogue wave" They all sorta stack on each other all at once......... then back to normal..... Thats probable the most well know cause. There are a few more. But I am sure that old salt who posted here named You will add a few more in the morning.. Bob Brian W |
#12
posted to rec.boats.cruising
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New Software Could Warn Sailors of Rogue Waves
Bob wrote:
On Nov 27, 6:04 pm, Brian Whatcott wrote: Er...that would be a long wind fetch on an adverse current, I take it? That certainly does create steep frequent waves. Sorta like a "washboard road. I think Rogue Waves are a little diffrent in that it is significanly larger and not seemingly having any predictable pattern. Thats what freak evevyone out about them. Or a tsunami, no doubt. No expert here. Never been in a real big tsunami. I went to a tidal wave part in the 80s on the Oregon coast. I thing it registerd a couple inches and the OSU Marine Science Center but what ive heard is its not noticable at sea. Just at the shore when the water disaperars, then returns....... Phuket, Cresent City, CA and AK in way early 1960s Okay here is one condition that creates Rogues waves....... take the Pacific. You have a huge Low in the Gulf of Alaska and another Low 3000 miles to the south and west. Both create long sea swells of diffrent duration and have thousand of miles to travel (fetch) untill they get to N 48 : Straights of Juan De****ya. You ve got local weather/ swells and then thoes swells from the big Lows way off just seem ot get in sink with a local normal swell all at the same place and same time that build to make a Hug "rogue wave" They all sorta stack on each other all at once......... then back to normal..... Thats probable the most well know cause. There are a few more. But I am sure that old salt who posted here named You will add a few more in the morning.. Bob Brian W That you Wilbur? G |
#13
posted to rec.boats.cruising
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New Software Could Warn Sailors of Rogue Waves
On Tue, 27 Nov 2007 17:59:38 -0800 (PST), Bob
wrote: On Nov 27, 10:45 am, You wrote: sonny, you have no idea, of what you speak.......... Dear You: Roger knows what I Im talking about. To be clear........ yes I have seen some HUGE waves compared to the rest of the sets. Yes, there are unusually huge waves that are not like the rest at a spot and time. But there is nothing Roguish about them. THey happen. THey happen in certain places because of a certain set of events. SO I ask you again.... You, please list those conditions/events that create the really big wave that people regretably call Rogue. 1) 2) 3) 4) 5) Oh, the above is called a fill in the blank........ they are a little harder than muliple choice. But I think you cna handle it. bob Try http://www.math.uio.no/~karstent/waves/index_en.html for a scientific discussion of "rogue waves". Bruce-in-Bangkok (Note:remove underscores from address for reply) |
#14
posted to rec.boats.cruising
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New Software Could Warn Sailors of Rogue Waves
On Nov 28, 12:18 am, Gordon wrote:
Bob wrote: On Nov 27, 6:04 pm, Brian Whatcott wrote: Er...that would be a long wind fetch on an adverse current, I take it? That certainly does create steep frequent waves. Sorta like a "washboard road. I think Rogue Waves are a little diffrent in that it is significanly larger and not seemingly having any predictable pattern. Thats what freak evevyone out about them. Or a tsunami, no doubt. No expert here. Never been in a real big tsunami. I went to a tidal wave part in the 80s on the Oregon coast. I thing it registerd a couple inches and the OSU Marine Science Center but what ive heard is its not noticable at sea. Just at the shore when the water disaperars, then returns....... Phuket, Cresent City, CA and AK in way early 1960s Okay here is one condition that creates Rogues waves....... take the Pacific. You have a huge Low in the Gulf of Alaska and another Low 3000 miles to the south and west. Both create long sea swells of diffrent duration and have thousand of miles to travel (fetch) untill they get to N 48 : Straights of Juan De****ya. You ve got local weather/ swells and then thoes swells from the big Lows way off just seem ot get in sink with a local normal swell all at the same place and same time that build to make a Hug "rogue wave" They all sorta stack on each other all at once......... then back to normal..... Thats probable the most well know cause. There are a few more. But I am sure that old salt who posted here named You will add a few more in the morning.. Bob Brian W That you Wilbur? Hi the Nope............ just me. But had finished a few pints of local brew with a couple OSU oceanography grad students last night. Now there was a wealth of info. and cheep too. Just add beer! Oh, but it gets better......... the beer was free! Rogue Brewery had some new Japanese brew début and was giving free pints away as a taste. ...... A couple months ago I was yaking with a coastie who drives the local 47' life boat. He had lots to say too! Lots of excellent ideas. Information is all over the place. Just got to be in a place that has an actual working bayfront or what others call a working harbor. Hang out with nothing but a bunch of sailboat yachties and its kinda of an incestuous group thing event. Right now every one here is geared up for the Dungeness crab opener. Lots of forklifts moving pots around. A few tourist take pictures. I do a few projects on my boat, drink free brew, and wait. Bob PS the bull dogs have rubber teeth, the cops wooden legs, and the jails are made of tin,.................... |
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