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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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

The branch of science dealing with the laws of motion of air or other gases.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A cloud of irregular appearance, composed of irregular cloud fragments.