Fri. Jan 10th, 2025

Air Masses

  1. Which type of air mass is characterized by high temperature, low moisture content, and atmospheric stability?

    Options:
    1. Maritime Polar Air Mass (mP)
    2. Maritime Tropical Air Mass (mT)
    3. Continental Tropical Air Mass (cT)
    4. Continental Polar Air Mass (cP)

    Option: C

  2. Which type of air mass is associated with cumulus and cumulonimbus clouds and abundant rainfall?

    Options:
    1. Maritime Polar Air Mass (mP)
    2. Maritime Tropical Air Mass (mT)
    3. Continental Tropical Air Mass (cT)
    4. Continental Polar Air Mass (cP)

    Option: B

  3. Where do continental polar air masses originate?

    Options:
    1. Near Aleutian Islands
    2. Over warm ocean surfaces of tropical regions
    3. In the subtropical high pressure areas of hot deserts
    4. Over snow-covered central Canada and Alaska

    Option: D

  4. Which air mass is modified to become stable when it moves towards the poles and travels over colder water or land surfaces?

    Options:
    1. Maritime Polar Air Mass (mP)
    2. Maritime Tropical Air Mass (mT)
    3. Continental Tropical Air Mass (cT)
    4. Continental Polar Air Mass (cP)

    Option: A

  5. What kind of weather does the arrival of continental polar air mass produce in the USA?

    Options:
    1. Rainfall
    2. Thunderstorms
    3. Extreme cold conditions
    4. Warm and dry conditions

    Option: C

  6. Which air mass is responsible for the precipitation along the western slopes of the Coastal Ranges?

    Options:
    1. Maritime Polar North Atlantic Air Mass (mP)
    2. Maritime Polar North Pacific Air Mass (mPKu)
    3. Tropical Maritime Atlantic Air Mass (mT)
    4. Tropical Maritime Pacific Air Mass (mTKs)

    Option: B

  7. What is the temperature range of the North Atlantic region where Maritime Polar North Atlantic Air Mass (mP) originates?

    Options:
    1. 5°F to 40°F
    2. 21°C to 26°C
    3. Relatively higher in summers than in winters
    4. Dry, cold and unstable

    Option: A

  8. What is the characteristic of Tropical Maritime Atlantic Air Masses (mT)?

    Options:
    1. Dry and stable in the upper layers, moist and unstable in the lower parts
    2. Capable of unleashing heavy showers
    3. Cold, stable and dry continental polar air mass (cPWs)
    4. Dry, cold and stable near the Pacific coast of the USA

    Option: B

  9. Which air mass originates over the snow-covered central Canada and Alaska?

    Options:
    1. Maritime Polar North Atlantic Air Mass (mP)
    2. Maritime Polar North Pacific Air Mass (mPKu)
    3. Tropical Maritime Atlantic Air Mass (mT)
    4. Polar Continental Air Mass (cP)

    Option: D

  10. What happens to the maritime tropical Atlantic air mass (mTWs) when it comes in contact with continental polar air mass?

    Options:
    1. Becomes dry and stable
    2. Becomes warm and moist
    3. Becomes warm and unstable
    4. Remains unchanged

    Option: C

  11. What happens to continental cold air mass (cPK) when it moves over the ocean?

    Options:
    1. It becomes colder and more stable
    2. It becomes warmer due to thermodynamic modification
    3. It becomes more humid and produces rainfall
    4. It does not change

    Option: B

  12. What are the effects of the southward movement of continental polar air mass?

    Options:
    1. Heat waves
    2. Fine weather
    3. Heavy rain
    4. Tornadoes

    Option: B

  13. Where do Maritime Polar Atlantic Air Masses (mP) originate?

    Options:
    1. Bermuda
    2. Mexico
    3. Newfoundland
    4. Aleutian Islands

    Option: C

  14. What are the weather characteristics associated with Maritime Polar Atlantic Air Masses (mP)?

    Options:
    1. High temperature, humid and rainy
    2. Low temperature, clear sky and full visibility
    3. High temperature, dry and foggy
    4. Low temperature, foggy and rainy

    Option: B

  15. Where do Maritime Tropical Atlantic Air Masses (mT) originate?

    Options:
    1. Aleutian Islands
    2. Bermuda
    3. Mexico
    4. Central America

    Option: B

  16. What happens to Maritime Tropical Atlantic Air Masses (mT) when they cross over the Gulf of Mexico?

    Options:
    1. They become more stable
    2. They become colder and drier
    3. They become modified into maritime tropical unstable air masses (mTKu)
    4. They dissipate

    Option: C

  17. What kind of weather do Maritime Tropical Atlantic Air Masses (mT) bring to the central and eastern USA?

    Options:
    1. Fine and pleasant
    2. Chilly and cloudy
    3. Oppressive and unpleasant
    4. Hot and humid

    Option: C

  18. Where do Maritime Polar Pacific Air Masses (mP) originate?

    Options:
    1. Central America
    2. Newfoundland
    3. Aleutian Islands
    4. Great Plains

    Option: C

  19. What happens to Maritime Polar Pacific Air Masses (mP) when they reach the continental areas?

    Options:
    1. They become colder and more stable
    2. They become warmer and more humid
    3. They become unstable and produce thunderstorms
    4. They dissipate

    Option: A

  20. What kind of weather do Maritime Polar Pacific Air Masses (mP) bring to the west coastal areas of the USA?

    Options:
    1. Hot and dry
    2. Cold and rainy
    3. Cold and dry
    4. Hot and humid

    Option: C