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...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
An instrument for measuring atmospheric pressure.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...