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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...