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What is Advection Fog?

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over a warm and moist surface. Examples include advection fogs, monsoon fogs, sea fog, and tropical air fog.

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Glossary

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

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

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

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.