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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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...