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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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

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