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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Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
An instrument for measuring atmospheric pressure.