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.'

Glossary

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

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

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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