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BY ARVIND, AAYUSH, AND AARNAV

STORMS. BY ARVIND, AAYUSH, AND AARNAV. Summary of the Lesson. THE FORMATION OF Thunder storm. warm moist air rises rapidly upward in the cumulus stage. Eventually the cloud builds into a tall cumulonimbus cloud-thunderhead

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BY ARVIND, AAYUSH, AND AARNAV

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  1. STORMS BY ARVIND, AAYUSH, AND AARNAV

  2. Summary of the Lesson

  3. THE FORMATION OF Thunder storm • warm moist air rises rapidly upward in the cumulus stage. • Eventually the cloud builds into a tall cumulonimbus cloud-thunderhead • heavy rains, lightning, and strong winds are associated with the mature stage

  4. Formation of floods • One of the most common and costly dangers associated with severe weather is a flood. • A flood forms when a river overflows its banks. • heavy rainfall also causes floods. • these disasters occur next to mountain peaks or water sources.

  5. How droughts form • the opposite extreme of a flood is a drought • A drought is a long period of below normal rainfall. • droughts occur with high pressure system.

  6. How blizzards form • if you live in a cold climate you might know what blizzards are. • a blizzard is a severe snowstorm with strong winds and very low temperatures. • like many types of severe storms blizzards are also associated with high pressure systems. • most blizzards in California occur in the sierra Nevada

  7. Hurricane • hurricanes are the most powerful storms on earth. • as warm moist air continues to rise pressure in the center of the system falls steadily as the storm strengthens. • this severe storm reaches winds of 74 miles per hour or more. • these large rotating storms can grow in size from 100 miles to 930 miles in diameter.

  8. Massive tornados • tornados are concentrated, twisting columns of air. they hang from a special kind rotating storms thunderstorms called supercells. • tornados contain the fastest winds on earth. • the most powerful reach 300 miles per hour. • in april 1974 the united states had the biggest outbreak in history.

  9. Mudslides/landslides • Mudslides/landslides occur when heavy rainfall falls on steep slopes • This causes the soil to become wet and loose. The trees can’t hold the soil which causes the soil to go downward • In La Conchita, California a mudslide occurred and destroyed 15 homes and killed 10 people

  10. Beyond the book

  11. Beyond The book: Predicting Weather • A thermometer measures air temperature in Fahrenheit or Celsius • A rain gauge measures the amount of precipitation that has fallen in an area. • The cups on an anemometer catch moving air, causing the instrument to spin in the wind.

  12. How to Respond to Natural Disasters • When a tornadoes form always go to the lowest point in your house such as your basement. • When an earthquake occurs duck under a strong table and protect your neck by putting your hands around it.

  13. Thank you From Aayush, arVIND, AND aARNAV

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