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 large body of air having similar horizontal temperature and moisture characteristics.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

A type of cloud consisting mostly of small particles such as ice particles.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...