Dark blue cloudy sky

What is Orographic Lift?

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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Glossary

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The branch of science dealing with the laws of motion of air or other gases.

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...