Dark blue cloudy sky

What is Occluded Front?

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

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Glossary

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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