What is Circulation?
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic conditions.
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An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A very cold high pressure that originates over the Arctic Ocean.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...