Weather Hazards

Question 1

What is global atmospheric circulation?

Answer 1

The atmosphere is the layer of air surrounding the earths surface which extends hundreds of kilometres high

Question 2

What gases does the atmosphere contain ?

Answer 2

Co2 , oxygen,nitrogen and water vapour

Question 3

How does the earths atmosphere move ?

Answer 3

Constantly moves in different directions

Question 4

Why does the earths atmosphere move in different directions ?

Answer 4

Due to earths sun energy and different pressure around the earth

Question 5

What is a pressure belt ?

Answer 5

Air circulation creates different areas of pressure

Question 6

What happens when the air rises ?

Answer 6

Creates low pressure

Question 7

What happens when air sinks ?

Answer 7

Creates high pressure

Question 8

What do tropical storms need ?

Answer 8

Very specific conditions to form

Question 9

What are the conditions tropical storms need to form ?

Answer 9

• 5-30 degrees north and south of the equator
• sea temperature is 27 degrees celcuis or higher
• must be in area of unstable air pressure

Question 10

Immediate response to tropical storms ?

Answer 10

• providing food ,water and shelter
• advance news warnings
• searching for trapped people
• clearing roads

Question 11

Long term response to topical storms ?

Answer 11

• building new homes which are storm resistant
• restoring industry economy e.g food product
• investing in warning systems

Question 12

Secondary effect of tropical storms ?

Answer 12

• 5.6 million workers lost their jobs

- lack of clean water = diseases

Question 13

Primary effect of tropical storms ?

Answer 13

• 1 million homes destroyed
• 1.9 million homeless
• 8000 killed