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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Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....