Dark blue cloudy sky

What is Katabatic Wind?

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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Glossary

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A cloud of irregular appearance, composed of irregular cloud fragments.