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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...