Dark blue cloudy sky

What is Bow Echo?

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale convective movements along a strong thunderstorm line.

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Glossary

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A very cold high pressure that originates over the Arctic Ocean.

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...