Dark blue cloudy sky

What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

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Glossary

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

A cloud of irregular appearance, composed of irregular cloud fragments.

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

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