To be able to explain the characteristics
and causes of hurricanes
What is latitude?
Why is it relevant?
What is longitude?
Why is this relevant?
Find a map of tropical storm
distribution
• Describe the patterns
• What language are we going to use?
Global circulation
Starter: Match the correct definition
Magnitude
How often do hazards of similar magnitude occur?
Frequency
How easily and accurately can the hazard event be predicted?
Duration
How long does the hazard event last?
Areal extent
The size of the event on a standard scale
Speed of onset
What impact does the event have on people, environment,
economy
Predictability
The size of the area affected
Effects
How quickly does the hazard reach its peak intensity?
Key terms
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High and low latitudes
Coriolis force
Trade winds
Rapid evaporation
Convection
Depression
Tropical disturbance
Ascending and descending air
Why do hurricanes form and what are
their characteristics?
1. http://www.youtube.com/watch?v=SSx_gisp
24w#t=168
2. http://news.bbc.co.uk/2/hi/science/nature/7
533909.stm
3. http://spaceplace.nasa.gov/hurricanes/
4. http://www.youtube.com/watch?v=SSx_gisp
24w
Task 1 – how do they form?
• P97 IB study guide
• http://news.bbc.co.uk/2/hi/science/nature/75
33909.stm
• http://spaceplace.nasa.gov/hurricanes/
• http://www.youtube.com/watch?v=SSx_gisp2
4w#t=168
Task 2 – Characteristics
• P97 IB study guide
• Saffir Simpson Scale
• Hurricane cross section
Task 3 – Example
• P97 cyclone Nargis
• Case study slips (AST)
• http://reliefweb.int/report/philippines/typhoonbopha-case-study-maricel-tognasan-and-wilma-pancho
http://www.newsecuritybeat.org/2013/01/typhoonbopha-shows-developing-countries-vulnerable-climatechange/#.UXXoI7U0WuI
http://www.theatlantic.com/infocus/2012/12/typhoon
-bopha/100421/
http://www.seoteky.com/the-aftermath-of-typhoonbopha-storm-pablo-wrath/
Now create your own guide to
hurricane formation
• Use plasticine, photographs, videos or
diagrams
• Take photos at each stage and annotate using
the key terminology
Characteristics
Homework
• Create a map to show the typhoons, hurricanes
and cyclones that have taken place in 2013.
• Identify the major cities affected by their latitude
and longitude
• Read and make notes on this:
http://www.bloomberg.com/news/2013-0830/no-atlantic-hurricane-by-august-in-first-timein-11-years.html