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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

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

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...