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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

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

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.