Question 24
WeatherA radiation fog is likely to develop when there is
- A.gradual gain in heat by radiation on clear, calm nights
- B.rapid gain of humidity by insolation on calm days
- C.rapid loss of heat by radiation on clear, calm nights
- D.rapid gain of heat by radiation on clear calm days
- E.gradual loss of humidity by evaporation on calm days.
Show the answer and explanation
Answer: C (rapid loss of heat by radiation on clear, calm nights)
Explanation
On clear, calm nights the ground loses heat quickly; the air above it cools to dew point and fog forms.