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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Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
Snow that rises to 8 feet or higher.

