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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
The branch of science dealing with the laws of motion of air or other gases.