Dark blue cloudy sky

What is Squall Line?

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

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Glossary

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

An instrument for measuring atmospheric pressure.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...