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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 low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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