Sentences with phrase «atmospheric waves»

A lot of interesting weather phenomena are associated with various types of atmospheric waves.

Many of the planetary scale atmospheric waves are expressed as thermal variations on the background atmosphere.

These ice shelf vibrations would likely also produce atmospheric waves with a vertical wavelength of 20 to 30 kilometers (12 to 18 miles), another feature of the observed waves.

Under the right conditions in winter (2), large atmospheric waves (more than 1000 miles across) travel from the lower atmosphere into the stratosphere.

Using mathematical models of the ice shelf, the study's authors show how vibrations in the ice match those seen in the atmosphere, and are likely causing these mysterious atmospheric waves.

Scientists routinely observe atmospheric waves around the world, but the persistence of these waves made them unusual, and scientists didn't know what was causing them.

But the new study shows major forest losses can alter global climate by shifting the path of large - scale atmospheric waves or altering precipitation paths.

A January study of Venus» atmosphere revealed the planet is hiding the largest atmospheric waves in the solar system.

These storms are typically sparked by atmospheric waves traveling all the way from the coast of Africa, and generally don't appear until later in the hurricane season.

The resulting turbulence creates atmospheric waves — some of which can stretch 1,500 miles — that race across the Sahara and over the Atlantic.

Kohyama was studying atmospheric waves when he noticed a slight oscillation in the air pressure.

The location of the oscillation determines where atmospheric waves will form, and their eventual impact on say, California.

This heating excites wave trains, or groups of similar - sized atmospheric waves, that propagate northward, connecting the central equatorial Pacific to North America.

Here trends in the meridional extent of atmospheric waves over North America and the North Atlantic are investigated in three reanalyses, and it is demonstrated that previously reported positive trends are likely an artifact of the methodology.

Similar atmospheric waves were seen radiating from the source of the 2011 earthquake off the coast of Japan (SN Online: 6/16/11).

The best way to explain this spike is from the swirling maelstrom below, where turbulent atmospheric waves must generate heat by crashing together like breakers on a windy beach shore.

It is common for atmospheric waves to grow in amplitude with height as the air becomes thinner.

Instead, a new study suggests, the phenomena occur when four types of slow - moving, high - altitude atmospheric waves merge over a small region and, in turn, temporarily drive a 10 - fold - or - stronger brightening of an ever - present glow in the upper atmosphere (green layer in the image above).

Scientists at McMurdo Station detected unusual atmospheric waves with an altitude between 30 to 115 kilometers (20 to 70 miles) above Antarctica in 2011.

Scientists have fingerprinted a distinctive atmospheric wave pattern high above the Northern Hemisphere that can foreshadow the emergence of summertime heat waves in the United States more than two weeks in advance.

«If atmospheric waves are generated by ice vibrations, by rhythmic vibrations of ice — then that carries a lot of information of the ice shelf itself,» said Oleg Godin, a professor at the Naval Postgraduate School in Monterey, California, and lead author of the new study, published in the Journal of Geophysical Research: Space Physics, a journal of the American Geophysical Union.

These conditions occur when the jet stream, a global atmospheric wave of air that encompasses the Earth, becomes stationary and the peaks and troughs remain locked in place.

Asteroid impacts, especially the large ones, can excite atmospheric waves capable of revealing information about the internal structures of the planets that probably can not be obtained in any other way.

The Madden - Julian Oscillation, or MJO, is a 30 - 60 day atmospheric wave that affects weather from the Indian Ocean to the U.S. Pacific Coast.

When polar air dipping southward collides with rising warm tropical air, the meet - up causes a powerful atmospheric wave with rollercoaster - like patterns that propagate eastward around the globe.

They are the superposition of a background field and the effects of the upper atmospheric wave pattern.

The authors however believe a positive AO and NAO leads to atmospheric wave train patterns which may have delayed opposite effects — leading to a negative AO and NAO later on in the season — and that is where especially associated European cold spells would originate from.

Additional heat released to the atmosphere from the opening ocean will amplify the Arctic warming and generate atmospheric waves which ultimately slow down stratospheric winds.

The winds flow from east to west and then swap to moving from west to east, completing a cycle roughly every 28 months as atmospheric waves ripple up from large - scale convection in the tropics.

«The real strength of that study is that they were able to leverage those runs they had, these many thousands of years of model runs,» said Siegfried Schubert, a senior research meteorologist at NASA who has also researched how these large - scale atmospheric wave patterns affect heat and drought.

«It is likely the banded structure and large atmospheric waves we found in brown dwarfs will also be common in giant exoplanets,» Apai said.

This very unusual atmospheric configuration — in which the large - scale atmospheric wave pattern appears to be largely «stuck» in place — has been characterized by a seemingly ever - present West Coast ridge and a similarly stubborn trough over central and eastern United States (commonly referred to in media coverage as the «Polar Vortex,» though this terminology is arguably problematic).

Ice crystals form where the air is coldest: on the crests of atmospheric waves, which are created far below as moving air rises and falls over mountains.

Now, research led by Haiyan Teng of the National Center for Atmospheric Research has identified an atmospheric wave pattern that precedes North American heat waves by two weeks.

The oscillation also has triggered a chain of atmospheric waves — rippling out like a boat's wake — ultimately making Eurasia in particular cooler than it otherwise would have been, Trenberth says.

The idea that atmospheric wave patterns might give scientists a better understanding of approaching seasons was first explored by a Swedish - American meteorologist, Carl - Gustaf Arvid Rossby, in 1939.

In the new study, Godin and his co-author, Nikolay Zabotin, used two theoretical models of the Ross Ice Shelf to show vibrations within the ice could create the atmospheric waves.

The size of these atmospheric waves makes them easy to observe with radar and Lidar, a radar - like system using laser light to scan the atmosphere.

Godin and Zabotin plan to use an advanced research radar to study the atmospheric waves in more detail to better understand the behavior of the Ross Ice Shelf.

In a new study, reserachers used two theoretical models of the Ross Ice Shelf to show vibrations within the ice could create the atmospheric waves.

The new research solves this mystery by connecting the atmospheric waves to vibrations of the Ross Ice Shelf — the largest ice shelf in the world with an area of almost half a million square kilometers (188,000 miles), roughly the size of France.

If the study's predictions are correct, scientists could use these atmospheric waves to measure properties of the ice shelf that are normally difficult to track, such as the amount of stress the ice shelf is under from ocean waves.

«Under certain circumstances the wave disturbance is effectively constrained by an atmospheric wave guide, something similar to the way a coaxial cable guides a television signal.

TMT would be able to measure the propagation direction, propagation speed, as well as the energy containing wave number of the atmospheric waves.