What is Cirrocumulus?
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
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The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A cloud of irregular appearance, composed of irregular cloud fragments.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A very cold high pressure that originates over the Arctic Ocean.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.