What is Hail?
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
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Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.