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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A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
A cloud of irregular appearance, composed of irregular cloud fragments.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A very cold high pressure that originates over the Arctic Ocean.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...