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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Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A large body of air having similar horizontal temperature and moisture characteristics.
A type of cloud consisting mostly of small particles such as ice particles.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...