Term: fog horizon
https://doi.org/10.1351/goldbook.F02471

Definition:
The top of a fog layer which is confined by a low-level temperature inversion and gives the appearance of the horizon (which it actually obscures) when viewed from above, against the sky.

Related Terms:
1) fog (http://doi.org/10.1351/goldbook.F02470).
2) inversion (http://doi.org/10.1351/goldbook.I03146).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2190 (https://doi.org/10.1351/pac199062112167)

Citation: 'fog horizon' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.F02471

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