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 strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A cloud of irregular appearance, composed of irregular cloud fragments.

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

An instrument for measuring atmospheric pressure.

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

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

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