1. The unpredictability of GW and El Nino events leading to increasing natural hazards.

2. Know Know – how the ENSO (El Niño- Southern Oscillation) works Understand Understand – how hurricanes are linked to global warming Skills Skills – Data response Know Know – how the ENSO (El Niño- Southern Oscillation) works Understand Understand – how hurricanes are linked to global warming Skills Skills – Data response Describe the El Niño- Southern Oscillation (ENSO) and the theories of what causes it to happen Explain how weather patterns and climatic events are affected by ENSO Consider and justify how the world is becoming more hazardous because of ENSO and global warming Natural factors to increased hazards

3. DEFINITIONS El Niño – the appearance of warm surface water from time ot time in the Eastern Equatorial Pacific. La Niña – the appearance of colder than average sea surface temperatures in the Central and East Equatorial Pacific. ENSO – El Niño-Southern Oscillation. Term used to describe the full range of events triggered by the see-saw motion of atmospheric pressure over the Pacific. Teleconnections – knock-on effects of El Niño world wide. Thermocline – sharp boundary between cold deep water and warmer surface water. http://www.youtube.com/watch?v=7FVZrw7bk1w

5. El Niño – The Christ Child (in Spanish) What is El Niño? During El Niño winds across the Pacific change direction and blow from West to East. This changes the weather patterns around the Pacific. Occurs every 3 – 7 years although they appear to be getting more regular. El Nino happens in this area of the world in the Pacific Ocean

6. Use the information to make notes about El Nino and La Nina

7. Plenary: exam question