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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An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.