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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An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...