What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.