Fog

Question 1

Under which condition does advection fog usually form?

Answer 1

Moist air moving over colder ground or water.

Question 2

Fog is usually prevalent in industrial areas because of

Answer 2

an abundance of condensation nuclei from combustion products.

Question 3

In which situation is advection fog most likely to form?

Answer 3

An air mass moving inland from the coast in the winter.

Question 4

In what localities is advection fog most likely to occur?

Answer 4

Coastal areas.

Question 5

What types of fog depend upon a wind in order to exist?

Answer 5

Advection fog and upslope fog.

Question 6

Which conditions are favorable for the formation of radiation fog?

Answer 6

Clear sky, little or no wind, small temperature/dew point spread, and over a land surface.

Question 7

Which weather condition can be expected when moist air flows from a relatively warm surface to a colder surface?

Answer 7

Fog.

Question 8

What is essential for fog to form?

Answer 8

Small temperature-dew point spread.

Question 9

With the weather conditions below, what type of weather do you expect? (Temperature 15C Dew point 14C..)

Answer 9

Fog.

Question 10

You are planning to leave Kansas City at 0700 in the winter months, Outside air temperature is 40*F, and a weather specialist reports a warm front passing through with gulf moisture. What conditions can be expected?

Answer 10

Fog.

Question 11

What conditions can cause fog to form in a low-lying valley at night?

Answer 11

The movement of warm, moist air.

Question 12

What may cause the formation of fog on a clear, calm night?

Answer 12

A flow of warm, moist air.

Question 13

Smooth air and poor visibility due to fog, haze or low clouds are indications of what type of weather phenomenon?

Answer 13

A low-level temperature inversion