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...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...