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What is Heat Index?

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the 'apparent temperature.'

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Glossary

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

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

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

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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...