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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A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...