Dark blue cloudy sky

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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Glossary

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A type of cloud consisting mostly of small particles such as ice particles.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...