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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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

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

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

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

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