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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 temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

An instrument for measuring atmospheric pressure.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

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