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 measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A large body of air having similar horizontal temperature and moisture characteristics.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...