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 fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A large body of air having similar horizontal temperature and moisture characteristics.
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.