Meteorology · Fog — Radiation
Radiation fog is most likely to form:
- AOver the open ocean in strong winds
- BDuring the warmest part of the afternoon
- COn clear, calm nights over land as the ground cools✓ Correct
- DInside a hurricane
Explanation
Radiation fog forms over land on clear, calm nights when the surface cools by radiation, chilling the air above to its dew point. It is common in harbors and river valleys and usually burns off after sunrise.
Authority: Bowditch (Pub. No. 9), fog
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