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Tropical Cyclones

Tropical Cyclones

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Tropical Cyclones

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  1. Tropical Cyclones Quiz!

  2. Question 1 • What temperature does the ocean need to be before a tropical cyclone can form?   A    28.5 degrees B 26.5 degrees C    23.5 degrees D     25.5 degrees

  3. Question 2 • What latitude do tropical cyclones form within? • A)      0-5 degrees N and S of the equator • B)     5-20 degrees N and S of the equator • C)     5-15 degrees N and S of the equator • D)     10-15 degrees N and S of the equator

  4. Question 3 • How fast did the wind gust during Cyclone Heta? • A)      Over 120 km/h • B)     Over 300 km/h • C)    Over 400 km/h •  D)     Over 200 km/h

  5. Question 4 • In which part of a cyclone is the heaviest rainfall and strongest wind? • A)   In the eye or centre of the spiralling air mass • B)   Just around the eye or centre of the spiralling air mass • C)    Half way between the eye and the outer edge of the spiralling air mass • D)    On the outer edges of the spiralling air mass

  6. Question 5 • What months are the cyclone season in the SW Pacific? • A)    January to July • B)    November to April • C)    July to December • D)   April to November

  7. Question 6 • What was the estimated cost of rebuilding after Cyclone Heta? • A)    $30 mill • B)    $40 mill • C)    $20 mill • D)    $10 mill

  8. Question 7 • What percentage of the foliage on Niue was stripped by the wind? • A)   70% • B)   50% • C)    80% • D)    60%

  9. Question 8 • What are conditions like in the eye of a tropical cyclone? • A)    Fairly calm and clear of clouds • B)    Moderately windy with heavy rain • C)    Not windy on the ground but full of swirling clouds • D)    Violently windy and with torrential rain

  10. Question 9 • What tourist activity is Niue well known for? • A)    Shopping • B)    Diving • C)    Walking in the jungle • D)    Big game fishing

  11. Question 10 • Cyclone Heta hit Niue on which date? • A)6th December 2004 • B)1st January 2005 • C)12th January 2004 - D)    6th January 2004

  12. Question 11 • What factor helped limit the number of deaths from Cyclone Heta on Niue? • A)    All of these reasons • B)    People evacuating and taking shelter in sturdy buidings • C)    Having good monitoring systems • D)    People having 2 days' warning that Niue was in Cyclone Heta's path

  13. Question 12 • How many people were killed by Cyclone Heta? • A)    100 • B)    150 • C)    1 • D)    10

  14. Question 13 • Which of the following crops is least susceptible to the effects of wind? • A)    Coffee • B)    Sugar cane • C)    Taro • D)    Coconuts

  15. Question 14 • What is the capital of Niue? • A)    Alofi • B)Atafu • C)    Andaman • D)Aitutaki

  16. Question 15 • Which of the following is NOT a way of decreasing the effects of a tropical cyclone? • A)    Having insurance • B)    Having land use zoning • C)    Having the population living and working around the coast • D)    Having building codes

  17. Question 16 • What is the term used to describe contamination by salt water? • A)Salinisation • B)    Pollution • C)Saltation

  18. Question 17 • What is the air pressure in a tropical cyclone most likely to be? • A)    990-1000 hPa • B)    Above 1000 hPa • C)    970 hPa or less • D)    970-990 hPa

  19. Question 18 • Which 2 other tropical islands were affected by Cyclone Heta? • A)    Tonga and Tokelau • B)    Rarotonga and Samoa • C)    Fiji and Rarotonga • D)    Samoa and Tokelau

  20. Question 19 • What role does the jetstream play in helping a cyclone to form? • A)    Acts like a vacuum cleaner sucking the rising air up faster • B)    Spins the rising air clockwise forming a low air pressure system • C)    Speeds up the converging trade winds near the eq`uator • D)    Causes rapid evaporation of oceanic water

  21. Question 20 • What factor helped limit the number of deaths from Cyclone Heta on Niue? • A)    People having 2 days' warning that Niue was in Cyclone Heta's path • B)    People evacuating and taking shelter in sturdy buidings • C)    All of these reasons • D)    Having good monitoring systems

  22. Question 21?? • How high did the storm surge get during Cyclone Heta? • A)    2-4 m • B)    4-7 m • C)    7-10 m • C)    1-3 m