Tropical CyclonesQuiz!

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 2What 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 3How 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 4In 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 5What 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 6What was the estimated cost of

rebuilding after Cyclone Heta?◦  A)    $30 mill◦  B)    $40 mill◦  C)    $20 mill◦  D)    $10 mill

Question 7What percentage of the foliage

on Niue was stripped by the wind?◦  A)   70%◦  B)   50%◦  C)    80%◦  D)    60%

Question 8What 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 9What tourist activity is Niue well

known for?◦  A)    Shopping◦  B)    Diving◦  C)    Walking in the jungle◦  D)    Big game fishing

Question 10Cyclone Heta hit Niue on which

date?◦  A)    6th December 2004◦  B)    1st January 2005◦  C)    12th January 2004

- D)    6th January 2004

Question 11What 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 12How many people were killed by

Cyclone Heta?◦  A)    100◦  B)    150◦  C)    1◦  D)    10

Question 13Which of the following crops is

least susceptible to the effects of wind?◦  A)    Coffee◦  B)    Sugar cane◦  C)    Taro◦  D)    Coconuts

Question 14What is the capital of Niue?

◦  A)    Alofi◦  B)    Atafu◦  C)    Andaman◦  D)    Aitutaki

Question 15Which 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 16What is the term used to

describe contamination by salt water?◦  A)    Salinisation◦  B)    Pollution◦  C)    Saltation

Question 17What 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 18Which 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 19What 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 20What 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