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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

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

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

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