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

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...