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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The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
An instrument for measuring atmospheric pressure.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A cloud of irregular appearance, composed of irregular cloud fragments.
A very cold high pressure that originates over the Arctic Ocean.
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...