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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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.