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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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.