What is Arctic Air?

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

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

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