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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

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

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

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

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.