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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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A type of cloud consisting mostly of small particles such as ice particles.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...