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 instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A type of cloud consisting mostly of small particles such as ice particles.
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...