What is Arctic High?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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