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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The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
The branch of science dealing with the laws of motion of air or other gases.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...