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 line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Snow that rises to 8 feet or higher.
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.