What is Clear Air Turbulance?
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed in jet-stream areas, particularly in the upper troposphere to lower stratosphere. Open-air turbulence can also be seen near mountains and in closed low-pressure centers when there is wind shear.
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A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.