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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

A large body of air having similar horizontal temperature and moisture characteristics.

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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