A natural phenomenon is an observable event which is not man-made. Examples include: sunrise, weather, fog, thunder, tornadoes; biological processes, decomposition, germination; physical processes, wave propagation, erosion; tidal flow, and natural disasters such as electromagnetic pulses, volcanic eruptions, hurricanes and earthquakes.

History

Over many intervals of time, natural phenomena have been observed by a series of countless events as a feature created by nature.

Physical phenomena

The act of:

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Chemical phenomena

Biological phenomena

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Astronomical phenomena

Geological phenomena

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Meteorological phenomena

Violent meteorological phenomena are called storms. Regular, cyclical phenomena include seasons and atmospheric circulation. climate change is often semi-regular.

Atmospheric optical phenomena

Oceanographic

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