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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A type of cloud consisting mostly of small particles such as ice particles.
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A large body of air having similar horizontal temperature and moisture characteristics.
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...