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 line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.