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

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

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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