What is Air Mass?

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

Snow that rises to 8 feet or higher.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

An instrument for measuring atmospheric pressure.

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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