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

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

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...