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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Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Snow that rises to 8 feet or higher.

