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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

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A large body of air having similar horizontal temperature and moisture characteristics.

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...