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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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