10 Questions
What causes evaporation fog to form?
Cold air passing over warmer water or moist land
What are the four main types of fog mentioned in the text?
Evaporation fog, radiation fog, advection fog, and orographic fog
What is the main cause of radiation fog?
Cooling of land overnight by thermal radiation
Which type of fog is formed when moist air is forced to rise over a mountain or hill?
Orographic fog
What is the key difference between evaporation fog and radiation fog?
Evaporation fog forms from the evaporation of water into the air, while radiation fog forms from the cooling of land overnight by thermal radiation.
What is the primary factor that determines whether fog or dew/frost will form in still air conditions?
The temperature of the surface
What is the effect of a light wind of around 5 knots on the formation of radiation fog?
It causes the fog layer to be thicker
What is the primary cause of advection fog?
Warm, moist air passing over a colder surface
Which type of fog is typically the longest lasting?
Advection fog
What is the primary cause of orographic fog?
Winds blowing air up a slope, causing it to cool and condense
Test your knowledge on how fog forms and the different factors affecting visibility. Learn about the various types of fog formation including evaporative fog, radiation fog, advection fog, and orographic fog.
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