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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.