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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...