Dark blue cloudy sky

What is Mesocyclone?

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with a funnel cloud or tornado cloud beneath it and detectable on Doppler radar.

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Glossary

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The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...