Dark blue cloudy sky

What is Isobar?

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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Glossary

An instrument for measuring atmospheric pressure.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

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

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...