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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 mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...