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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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Snow that rises to 8 feet or higher.

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A very cold high pressure that originates over the Arctic Ocean.

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.