Dark blue cloudy sky

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

An instrument for measuring atmospheric pressure.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...