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 periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.