PPT-Tornadoes and Hurricanes

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 dont fully understand. 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.. One study performed in conjunction with the National Association of Church Business Administrators estimated 35% of charitable organizations thinkstockphotos.comContinued on next page... Call Toll Fr 11/16/15. Winds can exceed 300 mph!!!. Around 1,000 occur on average each year in the U.S.. Kill 80, injure 1,500 people each year on average. Can have a path up to a mile wide!!!. Can occur any time of the year, but . 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.. October 27/28 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 . 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. U.S averages 800 tornadoes/year; more than any country. Canton, MI Dec. 23, 2015. EF-1 (90 mph winds). .  .                              . 933. . tornadoes in . 2016. 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 . Catastrophic events. Before we can see how they affect ecosystems we need to understand how they form. HURRICANES. How do Hurricanes Form? . Stage 1: A Tropical Disturbance Forms. Most Atlantic hurricanes begin life as organized clusters of thunderstorms off the west coast of Africa. These thunderstorms form along waves in the prevailing trade winds. The waves, called easterly waves, can be more than 2500 km (1550 mi) long. The cluster of thunderstorms is called a tropical disturbance.. 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.