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What is Flux?

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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Glossary

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...