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? - D) 6th January 2004
  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

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)     hPa
  B)    Above 1000 hPa
  C)    970 hPa or less
  D)     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