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Chapter 23 Section 3 Review Page 590

Chapter 23 Section 3 Review Page 590. 1. Identify four forms of precipitation. Rain Snow Sleet Hail. Hail. Hail. http://www.strangedangers.com/content/item/10550.html. 2. Compare coalescence and supercooling. Coalescence is the combining of many small droplets into one larger drop.

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Chapter 23 Section 3 Review Page 590

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  1. Chapter 23 Section 3 Review Page 590

  2. 1. Identify four forms of precipitation. • Rain • Snow • Sleet • Hail

  3. Hail

  4. Hail http://www.strangedangers.com/content/item/10550.html

  5. 2. Compare coalescence and supercooling. • Coalescence is the combining of many small droplets into one larger drop. • Supercooling is the cooling of water to below its freezing point without a change in state. Then the water encounters freezing nuclei and forms ice crystals.

  6. Supercooling Coalescence

  7. 3. Identify the instrument that measures amounts of rainfall. • Rain Gauge

  8. 4. Describe how the amount of snowfall can be measured. • Snow depth is determined using a measuring stick. • Water content can be determined by melting a certain volume of snow.

  9. Snow Depth and Water Content My yard, January 22, 2008

  10. 5. Explain how Doppler radar can be used to measure the intensity of precipitation. • Doppler radar works by bouncing radio waves off of snow or rain. Measuring the return waves tells us about the intensity of the rain or snow.

  11. Doppler Radar

  12. Doppler Radar

  13. Hurricane Wilma on Doppler Radar

  14. 6. Describe how precipitation can be induced or increased artificially. • Precipitation can be stimulated artificially be adding condensation nuclei in the form of dry ice or chemical crystals into a cloud.

  15. Cloud seeding

  16. Cloud seeding

  17. Cloud seeding

  18. The End

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