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

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 line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

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