Dark blue cloudy sky

What is Crepuscular Rays?

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric molecules and particles. Contrast is enriched by dry smoke, dust, and fog. If a cumulus-type cloud comes between the observer and the sun in the afternoon, there is a high chance of seeing these rays. The same phenomenon occurs when sunlight is refracted by a cloud layer.

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Glossary

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A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.