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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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Snow that rises to 8 feet or higher.

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

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.