Tropical Cyclones

Tropical Cyclones Quiz!

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Tropical Cyclones