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 belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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 periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...