What is Air Mass?

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

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

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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