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09. Air masses and fronts

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Tema 1 Meteo Quiz on 09. Air masses and fronts, created by Jose Antonio Vazquez on 30/12/2017.
Jose Antonio Vazquez
Quiz by Jose Antonio Vazquez, updated more than 1 year ago
Jose Antonio Vazquez
Created by Jose Antonio Vazquez over 6 years ago
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Resource summary

Question 1

Question
1- An air mass that has travelled over an ocean is known as:
Answer
  • Continental air and has a high humidity.
  • Continental air and has a low humidity.
  • Maritime air and has a high humidity.
  • Maritime air and has a low humidity.

Question 2

Question
2- Characteristic weather associated with a Pm airmass transitting Europe in summer would include:
Answer
  • Widespread Cu and Cb activity overland during the day.
  • Clear quiet settled weather overland by day with good visibility.
  • Warm moist conditions with some Sc or Cu and moderate to poor visibility.
  • Extensive low stratus cloud giving drizzle to light rain overland by day.

Question 3

Question
3- With a cold occlusion:
Answer
  • The air ahead of the warm front is colder than the air behind the cold front.
  • The warm sector remains on the surface.
  • The cloud type is predominately layer with a wide precipitation band.
  • There is a risk of CB embedded in NS.

Question 4

Question
4- The average upper winds at A1, B1 and C1 in Appendix 'A' are respectively:
Image:
Captura De Pantalla 2018 01 15 19.00.43 (binary/octet-stream)
Answer
  • Easterly, westerly, northwesterly.
  • Northwesterly, westerly, southwesterly.
  • Southwesterly, westerly, norhwesterly.
  • Southwesterly, westerly, northerly.

Question 5

Question
5- The average surface level winds at A3, B3 and C3 in the following figure are respectively:
Image:
Captura De Pantalla 2018 01 15 19.00.43 (binary/octet-stream)
Answer
  • Easterly, westerly, southwesterly.
  • Westerly, westerly, southwesterly.
  • Southwesterly, westerly, northwesterly.
  • Southwesterly,westerly,westerly.

Question 6

Question
6- If air transit is heated from below it tends to become more:
Answer
  • Stable.
  • Neutrallystable.
  • Unstable.
  • None of this.

Question 7

Question
7- When a cold front passes a station in Spain:
Answer
  • The wind veers and the temperature falls.
  • The wind backs and the temperature falls.
  • The wind veers and the temperature rises.
  • The wind backs and the temperature rises.

Question 8

Question
8- The front in the picture is a:
Image:
Captura De Pantalla 2017 12 30 17.20.25 (binary/octet-stream)
Answer
  • Warm occlusion
  • Cold occlusion
  • Warm front
  • Cold front

Question 9

Question
9- How do air masses move at a warm front?
Answer
  • Cold air overrides a warm air mass.
  • Warm air overrides a cold air mass.
  • Cold air undercuts a warm air mass.
  • Warm air undercuts a cold air mass.
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