Exam 5: Condensation: Dew, Fog, and Clouds

Which of the following terms refers to fog that most often forms as warm rain falls into a cold layer of surface air?

Suppose a pilot balloon rises at a rate of 100 metres per minute and disappears into a deck of stratus clouds 1500 metres thick in 5 minutes. Which of the following gives the ceiling of the cloud layer?

Suppose it is about 11:00 p.m. on a winter night, and the air cools to the dew point temperature, and a thick radiation fog develops. Which of the following describes what will probably happen to the dew-point temperature in five hours if the air continues to cool during the night?

Describe, with the aid of a diagram, the orbital paths followed by geostationary and polar-orbiting satellites.

Which of the following statements describes the path of polar orbiting satellites?

List and discuss some of the effects that you think weather satellites may have had on the field of weather forecasting.

Which of the following cloud types is vertically developed?

Which of the following methods provides the most accurate measurements of cloud base altitude?

Which of the following statements describes how frontal fog most commonly forms?

Which of the following is the main type of fog that forms off the coast of Newfoundland?

​ -Which of the following is the cloud feature labelled B?

Consider temperatures that are below freezing. Which of the following describes the temperature to which air must be cooled for a phase change to occur?

Which of the following provides another name for a "mother of pearl" cloud?

Which of the following cloud types is a grey sheet-like cloud layer through which a dim, "watery" sun is visible?

Which of the following statements describes why condensation nuclei are important in the atmosphere?

Which of the following cloud types might be indicated if a cloud appears white on a visible satellite image and grey on an infrared image?

As Apollo 12 ascended into the atmosphere, the height of the surrounding clouds was 12,800 m. Which of the following types of clouds was indicated by a lightning stroke within the surrounding clouds?

​ -Which of the following is the cloud feature labelled A?

Which of the following is the cloud feature labelled C?

Consider a midnight scenario in which a shallow layer of air near the ground has an air temperature of 7ºC and a dew point temperature of 2ºC. Which of the following statements describes the conditions at 6:00 a.m.if the air continues to cool at a rate of 0.8ºC per hour until the dew point is reached, and at a rate of 0.4ºC per hour thereafter?