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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Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...