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 tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...