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NATURAL DISASTERS. Workshop 2. TYPES OF NATURALS DISASTERS. Tornado Hurricane Mudslide/landslide Ice storm Snow storm Drought Flood. Typhoon Wild fire Sand storm Lightning Volcano Earthquake Tsunami. TORNADOES. Also called - twisters or cyclones
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NATURAL DISASTERS Workshop 2
TYPES OF NATURALS DISASTERS • Tornado • Hurricane • Mudslide/landslide • Ice storm • Snow storm • Drought • Flood • Typhoon • Wild fire • Sand storm • Lightning • Volcano • Earthquake • Tsunami
TORNADOES • Also called - twisters or cyclones • Damage paths can be 1 mile wide to 50. • Funnel clouds usually last less than 10 minutes, and many only last several seconds. • The result of a supercell thunderstorm, due to the way cold air & warm air combine. The warm air twists into a spiral & forms the funnel that we all associate with a tornado. • Range from F0 to F5 • Wind Speed: 261 - 318 mph • Cars are thrown through the air • Entire houses are completely destroyed after being ripped from the foundation and sent tumbling into the distance Storm chasers: http://www.youtube.com/watch?v=rP-Au3FHQVI Breaking News: Oklahoma 2013 http://www.youtube.com/watch?v=umBb9LnfS3s Illinois http://www.cnn.com/2013/11/18/us/midwest-tornadoes/
Earthquakes • Usually triggered by movement of the earth's plates – Earth is made up of 20 constantly moving plates. • As the plates shift, tension is created, and it can cause the crust to break. When a break occurs, the stress is released as energy that moves through the Earth in the form of waves. These waves are earthquakes. • The National Earthquake Information Center records an average of 20,000/ year (about 50 a day) around the world. • There are millions that occur every year that are too weak to be recorded. • Almost 80 percent of all the planet's earthquakes occur along the rim of the Pacific Ocean, called the "Ring of Fire"; a region that encircles the Pacific Ocean and is home to 452 volcanoes • Montage • http://video.nationalgeographic.com/video/environment/environment-natural-disasters/earthquakes/earthquake-montage/
Typhoons • Typhoons, cyclones and hurricanes are all rotating tropical storm systems that starts at sea. The name depends on where it starts. • The eye of a typhoon or hurricane can be anywhere between 2mi across right up to 200mi. • A typhoon becomes a super-typhoon once surface winds of over 150mph have been sustained for more than a minute. • Due to its location in the tropics, the Philippines is one of the most prone countries to typhoons, as well as other natural disasters like earthquakes. • Typhoon in the Philippines • http://www.youtube.com/watch?v=OZ7jwoiEQFg • Hurricane Sandy • http://www.telegraph.co.uk/news/worldnews/northamerica/usa/9642483/Hurricane-Sandy-wreaks-havoc-along-US-eastern-seaboard.html
Tsunami • Ocean waves caused by an underwater earthquake, landslide, or volcanic eruption • Can reach heights of over 100 feet • 80% of tsunamis happen within the Pacific Ocean • First wave of is usually not the strongest, successive waves get bigger and stronger. • Can travel at speeds of about 500 miles per hour, almost as fast as a jet plane. • The states in the U.S. at greatest risk for tsunamis are Hawaii, Alaska, Washington, Oregon, and California. • Hawaii is the U.S. state at greatest risk for a tsunami – they get about one per year and a damaging one every seven years. • Biggest in Hawaii: 1946, where the coast of Hilo Island was hit with 30 foot waves at 500 miles per hour. 170 people died as a result. • In 2004, the Indian Ocean tsunami had killer waves that slammed into the coastline of 11 countries, damaging countries from east Africa to Thailand. The final death toll was 283,000. • On March 11, 2011, a 9.0 earthquake and tsunami struck Japan. The death toll was 16,000, with 6,000, and destroyed or damaged countless buildings. • http://www.youtube.com/watch?v=J2hUwFo6Vpc • http://www.bbc.co.uk/news/world-asia-pacific-12725646
Mudslides Volcanoes • http://usnews.nbcnews.com/_news/2013/07/10/19402060-video-captures-mudslide-washing-away-a-car-in-colorado • http://www.youtube.com/watch?v=BKTG58Bpziw • http://foxnewsinsider.com/2013/02/06/amazing-video-helicopters-capture-footage-of-four-volcanoes-erupting-at-same-time
Drought • Farmers lose money • Ranchers may have to spend more money on feed and water for their animals. • Greater risk of wild fires • No Water transportation • People might have to pay more for food. • Losses or destruction of fish and wildlife habitat • Lack of food and drinking water for wild animals • Increase in disease in wild animals, because of reduced food and water supplies • Lower water levels in reservoirs, lakes, and ponds • Loss of wetlands • Wind and water erosion of soils • Poor soil quality
Sand storms AKA Dust storms • Caused by strong winds blowing over loose soil or sand, causing to be greatly reduced. • Deserts are the most common locations for sandstorms