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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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