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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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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