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 cloud of irregular appearance, composed of irregular cloud fragments.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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