Sentences with phrase «of rogue waves»

According to some estimates, two merchant ships a month disappear without a trace, thought to be victims of rogue waves.

«New prediction tool gives warning of rogue waves.»

The birth of rogue waves can be physically explained through the modulation instability of water waves.

A comparative analysis of rogue waves in different physical systems comes to the surprising conclusion that these rare events are not completely unpredictable.

The precise origin of rogue waves is still disputed.

Over the next few years, Osborne and others hope to offer ship captains reports on the likelihood of rogue waves appearing in certain regions.

«The space - time model developed for this study could provide the basis for the next generation of wave forecast models to predict wave extremes and provide early warnings to shipping companies and others to help them avoid dangerous areas at risk of rogue waves,» Fedele said.

A new analysis done to support the investigation into the 2015 sinking of the El Faro cargo ship has calculated the likelihood of a massive rogue wave during Hurricane Joaquin in October of that year — and demonstrated a new technique for evaluating the probability of rogue waves over space and time.

«We believe this first study of rogue waves occurring over space and time during hurricanes will help improve real - time forecasting for shipping companies and other organizations that need to understand the risk of extreme events in the oceans.»

The research, reported September 11 in the journal Scientific Reports, may help improve the prediction of rogue waves to help shipping companies and others understand the risks posed by these unusual wave patterns.

The El Faro was 240 meters long, comparable to the typical wavelength of a rogue wave.

Although many buoys are now supplied with electronic transmitters and high - tech electronics, the likelihood of one being in the path of a rogue wave is small.

One of Osborne's favorite descriptions of a rogue wave is from Virgil's Aeneid: «A squall came howling from the north - east, catching the sail full on, raising the waves to the stars, breaking the oars in a single blow, wrenching the boat around to offer its flank to the waves as a mountain of water rose above them, immense and immeasurable.

In the end, Fedele said, the production of the rogue wave is simply chance: the rare combination of waves in what turns out to be a bad place for ships or oil platforms.

By tracking the energy of the surrounding wave field over this length - scale, they could immediately calculate the probability of a rogue wave developing.

As our ferry is slammed into the Adriatic by the force of a rogue wave, we are all relieved to catch a glimpse of the approaching shoreline and the sail boats dotted around the harbour of Split, signalling our imminent arrival into this ancient city.

Not exact matches

Breakthrough ideas ripple across time, as Where Good Ideas Come From author Steven Johnson says, rather than occur in an enormous rogue wave from out of nowhere.

That sounds bad, but people really like constant positive reinforcement, selling these options that expire out of the money, and they figure the rogue wave will never happen to them.

Sara White had been walking across the road with her son in his stroller when a rogue wave came out of nowhere and crashed into them, dragging them across the road as water continued to flood their way.

This relation of the Schrödinger equation to classical waves is already revealed in the way that a variant called the nonlinear Schrödinger equation is commonly used to describe other classical wave systems — for example in optics and even in ocean waves, where it provides a mathematical picture of unusually large and robust «rogue waves.»

Eventually, of course, his conversation turns to the fear that lurks in the consciousness of every sailor who ventures into these waters: the rogue wave scenario.

Scientists think that a perfect combination of events may be responsible for generating rogue waves.

Using weather and sea data from the time of the sinking, along with a new theoretical model, a Georgia Institute of Technology researcher has calculated that there was as much as a one - in - 130 chance — over a period of time and area — that a rogue wave 46 feet high (14 meters) could have occurred during the hurricane.

Key to the new prediction technique is accounting for space - time effects that can increase the likelihood of a ship encountering a rogue wave.

In future work, the researchers would like to improve the accuracy of their predictions to enhance the rogue wave prediction algorithms used by NOAA.

Earlier rogue wave models had not considered the size of the vessel in calculating the probability of encountering a potentially catastrophic wave.

The rogue wave study was done for the National Transportation Safety Board as part of its investigation into the disaster.

«Rogue wave analysis supports investigation of the El Faro sinking.»

They can make big waves, but not ones that rise — as rogue waves do — three to five times as high as the waves around them and seem to come out of nowhere, out of sync with the rest of the sea, from a direction completely different from that of the wind and other waves.

In a wave tank at the Stevens Institute of Technology in Hoboken, New Jersey, a three - foot - long model ship is effortlessly capsized by a simulated rogue wave.

rogue waves can remain hidden behind a background of random waves (blue and green), only to rise up with sudden violence.

This is the basis of Fourier analysis, the mathematical technique at the heart of rogue - wave research, in which complicated wave patterns are broken down into their constituent parts.

Stephen Ornes's article about rogue waves suggested that up to half of these waves result from «crossing seas» in which...

Some sailors navigating far south, in the latitudes around the «furious fifties», have also reported observing «towers of water», perhaps the result of two rogue waves running into each other.

The U.S. Coast Guard considers rogue waves so rare that it doesn't even keep records of their occurrence.

«These large spikes are the rogues jumping out of a deepwater wave field,» Osborne says.

Called rogues or freaks, such waves are the stuff of mariners» nightmares — towering, steep - faced walls of water that weigh millions of tons.

This might explain the lack of observation and the ignorance of such phenomenon as a consequence, even though they must be as frequent as the rogue waves.

Subsequent camera snapshots of a measured rogue wave event.

Other than in previous publications, optical rogue waves in this system are clearly ruled by atmospheric turbulence in a gas cell, effectively enabling the observation of a storm in a test tube.

Therefore it is not true that they «appear out of nowhere and leave without a trace,» which has often been claimed to be a characteristic feature of ocean rogue waves.

An improved understanding of how rogue waves originate could lead to improved techniques for identifying ocean areas likely to spawn them, allowing shipping companies to avoid dangerous seas.

«What we have shown is that by combining knowledge of this spectra and using mathematics that accounts for second - order nonlinearities, we can reproduce the measured rogue waves almost exactly.»

Based on an analysis of three rogue waves observed at different oil platforms in the North Sea over the course of a decade, the research was scheduled to be reported June 21 in the journal Scientific Reports.

This technique, which is currently applied in the field of photonics, could help predict rogue wave events1 on the ocean surface, along with other extreme natural phenomena.

The scope of these results goes well beyond the field of photonics, since this type of background noise is generally considered to be one of the possible mechanisms behind the destructive rogue waves that suddenly appear on the surface of oceans, and is also believed to be present in other systems such as plasma dynamics in the early Universe.

For a couple of years, the research team around Professor Chabchoub has already been able to create steered rogue waves in laboratory wave flumes.

First, they spotted clusters of waves that tend to roll along together, then they analyzed each cluster's length and height, and they finally used a combination of statistics and dynamical equations to determine which of those clusters was most likely to go rogue.

Rogue waves loom large among the many legends of the sea.

They then developed a novel approach to analyze the nonlinear dynamics of the system and predict which wave groups will evolve into extreme rogue waves.