What is Arctic Air?

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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