What is Arctic Air?

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

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A very cold high pressure that originates over the Arctic Ocean.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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