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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The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A cloud of irregular appearance, composed of irregular cloud fragments.
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...