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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The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...