Dark blue cloudy sky

What is Hail?

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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Glossary

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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