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,...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
An instrument for measuring atmospheric pressure.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...