Global Hazards -Weather
- Created by: lornawarren_2003
- Created on: 13-03-18 18:17
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- Global Hazards -Weather
- Extreme Weather
- Precipitation
- Drought
- Flash floods
- Rain
- Snow
- Snow
- Australia
- Cyclones
- Drought
- Average summer temp - 33
- Highest temp - 51
- UK
- Flash floods
- Average summer temp - 23
- Highest temp - 38.5
- Precipitation
- Tropical Storms
- How it forms
- Deep ocean
- 27 degrees +
- Starts to spin (Coreolis effect)
- Warm air from the sea 'feeds' the storm
- Where do they form?
- Between the two tropics
- Not on the equator
- How it forms
- El Nino and La Nina
- El Nino
- Drought in Australia
- Trade winds weaken or reverse
- Rain in South America
- Pacific Ocean
- La Nina
- Strengthened version of normal
- Strong trade winds
- Floods in Australia
- Droughts in South America
- El Nino
- Case Study - Boscastle Flood
- Cause
- Heavy rain - 6 inches in 6 hours
- V-shaped valley - quick run off
- Impermeable rock
- Confluence - Jordan, Paradise, Valency
- Bridge too small - debris
- Impact
- Houses damaged
- Coastal Pollution - cars and debris
- 100 people rescued
- Businesses close
- Response
- Air rescue
- Replaced the bridge
- Deepened the river bed by 6 feet
- Raised the car park
- Re-did the sewers
- Cause
- Case Study - Australia Drought
- Cause
- El Nino
- Trade winds reverse
- Global circulation
- High pressure belt
- El Nino
- Impact
- Grass land destroyed
- 8 million sheep died
- Rural suicide rates grew
- WIldfires - 8 people died
- Less tourism
- Response
- Aussie Helpers
- Food for animals
- Fuel cards
- Gave out $5 million
- Desalinisation plant
- Takes salt out of water
- Income support form the governments
- Aussie Helpers
- Cause
- Extreme Weather
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