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

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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