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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

A type of cloud consisting mostly of small particles such as ice particles.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...