Search results
Results From The WOW.Com Content Network
Rotor clouds have ragged leeward edges and are dangerously turbulent. [4] A foehn wall cloud may exist at the lee side of the mountains, however this is not a reliable indication of the presence of lee waves. A pileus or cap cloud, similar to a lenticular cloud, may form above the mountain or cumulus cloud generating the wave.
Two generic types of wave turbulence should be distinguished: statistical wave turbulence (SWT) and discrete wave turbulence (DWT). In SWT theory exact and quasi-resonances are omitted, which allows using some statistical assumptions and describing the wave system by kinetic equations and their stationary solutions – the approach developed by Vladimir E. Zakharov.
Wind flow over a mountain produces oscillations (A), (B) etc. Mountain waves are formed when four requirements are met. When these factors coincide with jet streams, CAT can occur: A mountain range, not an isolated mountain; Strong perpendicular wind; Wind direction maintained with altitude; Temperature inversion at the top of the mountain range
A chinook arch cloud is an extensive wave cloud. It has this special name in North America where it is associated with the Chinook wind. It forms above the mountain range, usually at the beginning of a chinook wind as a result of orographic lifting over the range. It appears when seen from downwind to form an arch over the mountain range.
Cloud decks in parallel bands of latitude at and below the tropopause alternately composed of ammonia crystals and ammonium hydrosulfate. Cirriform Bands of cloud resembling cirrus located mainly in the highest of three main layers that cover Jupiter. [28] Stratiform and stratocumuliform Wave and haze clouds that are seen mostly in the middle ...
The Sierra Wave is a type of air current created by winds that lift off the Sierra Nevada mountain range of California. Known as lee waves , Sierra Waves form as winds hit the Sierra Nevada and are forced to rise, causing water vapor to condense as it cools and forming lenticular clouds on the leeward side of the mountain range.
Mountain wave turbulence, as the name suggests, happens when the wind hits a mountain and is forced upward off its blustery path. That's why it's common to hit some bumps when you're flying over ...
The Mountain Wave Project (MWP) pursues global scientific research of gravity waves and associated turbulence. MWP seeks to develop new scientific insights and knowledge through high altitude and record seeking glider flights with the goal of increasing overall flight safety and improving pilot training.