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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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

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