Natural Disasters: A comprehensive Presentation

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This is a comprehensive presentation on Natural Disasters.

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  • Natural Disasters Presented by: Faisal Naseer, Sanaullah Khan
  • Definition. Categories of natural disasters. Places of occurrence. Similarities & Differences. Outline:
  • What is a Natural Disaster? A natural disaster is an event caused by natural forces of nature that has a large effect on the human population.
  • Meteorological Natural disasters of the atmosphere
  • Types of Meteorological Disasters Hurricane, Typhoon, Cyclones. Tornadoes. Characteristics: Hard rain, flooding, high winds. Duration: 8 24 hours of full force
  • Cyclone, Typhoon, Tornado, Hurricane Whats the difference??
  • Cyclone, Typhoon, Hurricane Define: A tropical storm that forms over an ocean The difference is WHERE they form Cyclone: Asia, South of the Equator Typhoon: Asia, North of the Equator Hurricane: Atlantic Ocean & East Coast of North America
  • Tropical Storm Map
  • Test Your Knowledge Write these down: What wind storm occurs in these countries: United States: Australia: India: Japan: Canada:
  • Wait, whats a Tornado?? Isnt that the same??
  • Tornado A Tornado forms over land. Also called a Twister Most Of them occurs in Tornado Alley in the USA
  • Tornadoes Occurrence Worldwide Areas Worldwide which experience the highest chance of seeing tornados. shaded orange.
  • Tornado Alley Tornado Alley is the area where Tornados form the most. It includes the states of: Texas, Oklahoma, Kansas, Nebraska, and South Dakota
  • How and why do they occur? The middle states are located between the warm air of the Gulf of Mexico and the cold air of the Pacific Ocean from Canada.
  • Tornados vs. Hurricanes Tornado Hurricanes
  • Geological Disasters Natural disasters of the land
  • Earthquake? Whats that??
  • Earthquakes A sudden shaking of the ground as a result of movements of the earths tectonic plates
  • How do they happen? The earths surface rests on moving sheets of crust called tectonic plates These plates move VERY slowly
  • How do they happen? When the plates collide, they create mountains When the plates separate, they form volcanoes.
  • Hydrological Disasters Natural disasters of the water
  • Types of Meteorological Disasters Tsunami. A long, high sea wave caused by an earthquake or other disturbance. Floods. An overflow of water beyond its normal limits, especially over what is normally dry.
  • How do They Occur TSUNAMI FLOODS
  • Where do Tsunami Occur
  • Where do Floods occur
  • Lets see what they can do.
  • video
  • Statistics In 2012, there were 905 natural catastrophes worldwide. 93% of which were weather-related disasters. 45% were meteorological (storms) 36% were hydrological (floods) 12% were climatological (heat waves, cold waves, droughts, wildfires) 7 % were geophysical events (earthquakes and volcanic eruptions). Between 1980 and 2011 geophysical events accounted for 14% of all natural catastrophes.

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