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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The branch of science dealing with the laws of motion of air or other gases.

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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