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 strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...