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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 weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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 low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...