PPT-Thunderstorms, Tornadoes, and Hurricanes

October 2728 2010 Extreme Weather Hurricane Ivan over Gulf Sept 2004 Source NOAA Definitions Climate Change Changes in climate of the past present or future associated with natural . Tornadoes. are very violent. When Tornadoes are single they last only a few minutes. Tornadoes travel in a north eastern direction. Tornadoes are usually in a funnel shape. Tornadoes can happen in any part of the United States. Usually the eye of a tornado is the calmest place. Tornadoes are mostly gray.. A. Humidity. amt. of water vapor in air.. Warm air can hold more water vapor than cool air.. Relative Humidity- . percentage of water vapor that is actually in the air compared to the maximum amt. of water vapor the air can hold at a particular temp.. Dr. . Hooda. Text Book : Pages 450 - 459. What is a storm? . A violent disturbance in the atmosphere.. What is a storm? . . Involves sudden changes in air pressure. Cause rapid air movement. Conditions that bring one . A Scientastic presentation. Storm Chaser’s Cli. p. http://. www.discovery.com/tv-shows/storm-chasers/videos/what-is-the-dominator.htm. . Discussion Question – . Severe Thunderstorms. C. apable . By: Maggie Colf. Tornadoes. “There is also disagreement as to whether separate touchdowns of the same funnel constitute separate tornado.”. Tornadoes may not have a visible funnel.. Truth is that we don’t fully understand.. S6E4. I can relate unequal heating of land and water surfaces to form tornados and thunderstorms.. I can relate how moisture evaporating from the oceans affects the weather patterns and events such as hurricanes.. WHAT DO HURRICANES AND TORNADOES HAVE IN COMMON?. Low Pressure . Strong Winds . Hazardous to Life and Property . HOW DO THEY DIFFER?. Location . Size . Duration . Season of Occurrence . Distinctive Hazards. Science. Thunderstorms & Lightning. Conditions That Occur During Thunderstorms. Thunder, lighting, high winds, heavy rain, hail. Electric Sparks by Shuffling . Lightening is like electric sparks that you can make by shuffling across a carpet before touching a metal object. Both lightning and small electric sparks are discharges of built up static electricity. . WHAT DO HURRICANES AND TORNADOES HAVE IN COMMON?. Low Pressure . Strong Winds . Hazardous to Life and Property . HOW DO THEY DIFFER?. Location . Size . Duration . Season of Occurrence . Distinctive Hazards. Tornadoes are . rotating columns of air that extend down from a storm cloud in the shape of a . funnel.. Anything . in the path of a tornado, including houses, cars, forests, and other ecosystems, . are . Storms and Atmospheric Disturbances. Embedded within the wind belts of the general atmospheric . circulation are . secondary circulations. , . which are made up of . storms. and other . atmospheric disturbances. Flood . – any relatively high stream flow overtopping the natural or artificial banks in a water system.. Common Causes:. Long-lasting rainfall over a broad area. Locally intense thunderstorm - generated rainfall. Honors Earth Science. Thunderstorms. A storm with lightning and thunder.. Produced by a cumulonimbus cloud.. Usually produces gusty winds, heavy rain and sometimes hail.. Ingredients for a Thunderstorm. Lecture 19. 2. Learning Goals for Part 1 of Chapter 11. Be able to explain how and why a . HURRICANE. forms and be able to identify the primary . FORMATION REGIONS. .. Be able to identify the main .