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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 distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...