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PPL » Meteorology » Visibility and Fog

8.26 Visibility and Fog

8.26.2 Define prevailing visibility.


8.26.4 Explain why illumination from the sun or moon has no effect on prevailing visibility.


8.26.6 Describe the operational characteristics of the visibility sensor used in Automatic Weather Stations (AWS), and reported in METAR AUTO reports.


8.26.8 Describe the effect on visibility, of the following:

(a) precipitation;

(b) fog and mist;

(c) haze and smoke;

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