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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 tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

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

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

A very cold high pressure that originates over the Arctic Ocean.