Waterspouts - PowerPoint PPT Presentation

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  1. Waterspouts The ocean’s tornado By Rachel Worley

  2. What are waterspouts? • Waterspouts are basically tornados over water. It is a whirling cloud over a ocean rotating in a column that consist of a watery mist.

  3. What conditions cause waterspouts? It is caused by a center of low pressure and wind will start to whirl around it will soon develop into a waterspout . They usually start forming with clouds that bring thunder storms.

  4. How long do they last? *They last around 10 to 15 minutes

  5. When do they usually happen? • May to September

  6. What kind of damage do they casuse? • They can cause harm to ships and shore lines.

  7. facts • Some sailors have reported to have seen as many as 30 waterspouts in a single day. • Can form over lakes • The earliest waterspout recorded was in 1456 in Alcona Italy.

  8. Sites • http://www.marineinsight.com/marine/8-facts-about-water-spouts-at-sea/pics and info • http://www.srh.noaa.govhttp://www.marineinsight.com info • World book -encyclopedia • http://libary.thinkquest.org • http://usatoday30.asatoday.com/weather/tornado/waterspout-photo.htm