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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...