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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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