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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...