Dark blue cloudy sky

What is Orographic Lift?

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

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Glossary

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.