What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...