Richard+Yeh

DESCRCIPTION OF A CYCLONE: A cyclone is a huge swirling mass of air. In the middle of a cyclone is a vortex called the eye. There are two different types of cyclones, these are tropical cyclones and non tropical cyclones: - tropical cyclones are as fast as 100-200kph, size=200-600km, season= summer\autumn, location=northern coast, life span=5-10days. Non tropical cyclones are up to50-100kpph, size: 500-1500km, season=winter/spring, location=southern coast, lifespan=5-10days. One of Australia’s worst cyclones is Cyclone Tracy. Date: Christmas 25th December, place: Darwin, NT, casualties: 66killed over 1100 people injured. Cyclone Tracy flattened Darwin (not a building standing). WHAT CAUSES A CYCLONE? :   1. An area of very low pressure. 2. Air will flow in quickly causing strong winds and storms. HOW DO CYCLONES AFFECT PEOPLE? :   Cyclones can contribute mosquito illness which also leads to infection. Many people are left homeless with no money and no jobs, obviously but sadly thousands of people die. HOW ARE CYCLONES FORECASTED? :    By using satellites information and images are sent to computers on Earth. Scientists can than see where cyclones are brewing. WHAT PREVENTATIVE MEASURES CAN WE TAKE AGAINST CYCLONES? :  1. Leave all low lying areas  2. Stock up non perishable food supplies  3. Have a flash light with you  4. Always have a first aid kit  5. A fire extinguisher  6. Portable battery radio  7. Stack all loose objects away