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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 distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The branch of science dealing with the laws of motion of air or other gases.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...