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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 tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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