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 are shaded clouds that can be white...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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