tropical storms

• what are tropical storms called in south china sea and west pacific ocean?

  typhoons
• what are tropical storms called in gulf of mexico, caribbean sea and west coast of mexico?

  hurricanes
• what are tropical storms called in Bay of Bengal, indian ocean and northern australia?

  cyclones
• what type of oceans do tropical storms develop over?

  warm tropical oceans between 5 degrees and 30 degrees north and south of the equator
• • The greater the low-pressure, the greater the winds, the greater the spin and the larger the tropical storm becomes
• causes of tropical storms:

  • sea temperature must be 27 degrees or above
  • only form between 5 and 30 north/south of the equator
  • the rising air draws further moist/warm air from the ocean's surface, generating stronger winds
  • the air spirals upwards, cools, condenses and forms large clouds which form the eye wall of the storm and produce heavy rainfall
  • cold air sinks at the centre creating a calm, dry area as the eye of the storm
• how long do tropical storms last?

  7-14 days
• what is the wind speeds in tropical storms?

  over 119kmph
• when are tropical storms considered major?

  category 3
• how will climate change affect tropical storms?

  global warming means more of the world's oceans will be above 27 degrees, therefore more places across the world will experience tropical storms.

  higher temperatures = stronger storms + more frequent = more damage
• CASE STUDY: TYPHOONN HAIYAN

  • the sea temperature was 30 degrees
  • the storm was a category 5 storm
• how many people died in typhoon Haiyan?

  6201
• how many homes lost in typhoon haiyan?

  1.1 million
• how many people displaced in typhoon haiyan?

  more than 4 million
• how many casualties were there due to the lack of aid?

  29,000
• how many people were affected in typhoon haiyan?

  16 million
• how many tonnes of sugar were lost in typhoon haiyan?

  50,000 - 120,000
• how many tonnes of rice were lost in typhoon haiyan?

  over 130,000
• short term environmental impacts of Typhoon Haiyan

  loss of forests/trees and widespread flooding

  coconut plantations were completely flattened

  fishing communities were affected
• long term social impacts of typhoon haiyan:

  • spread of disease
  • lack of food, water, shelter and medication
  • influx of refugees into areas less affected
  • 2 months later, 21000 families were still in 380 evacuation centres, waiting to be rehoused
• short term responses for typhoon haiyan:

  • international aid agencies responded quickly with food, water and temporary shelters
  • the phillipines Red Cross delivered basic food aid e.g. rice and canned food
  • uk sent shelter kits to provide emergency shelter for a family
  • over 1200 evacuation centres set up for homeless
  • $475 million aid sent
• long term responses to typhoon haiyan:

  • rebuilding of the airport, ports, roads and bridges
  • 'Cash for work' schemes gave locals money to help clear the debris
  • Oxfam helped finance replacement of fishing boats