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 thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
An instrument for measuring atmospheric pressure.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A very cold high pressure that originates over the Arctic Ocean.