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Thunderstorms

Thunderstorms. Thunderstorms. During a thunderstorm, positive and negative electrical charges build up in the clouds. The discharge of the electricity between clouds is lightening . Lightening is as hot as 30,000 ° C, hotter than the sun.

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Thunderstorms

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  1. Thunderstorms

  2. Thunderstorms • During a thunderstorm, positive and negative electrical charges build up in the clouds. • The discharge of the electricity between clouds is lightening. • Lightening is as hot as 30,000°C, hotter than the sun. • The heated air expands and explodes producing thunder.

  3. Tornado • Rapidly whirling, funneled-shaped cloud that reaches down from a storm cloud to touch E’s surface • Most frightening & disruptive storm • Usually brief, touching the ground approx. 15 minutes or less • Wind speeds may reach 480 km/hr

  4. Tornado

  5. Tornado • Tornado Watch – tornadoes are possibly in your area • Tornado Warning – tornadoes have been seen in the sky or on weather radar • Occur most often in the US • Approx. 800 tornadoes a year

  6. Where do tornadoes form? Why is there a tornado valley? What states make up tornado valley? Low heavy cumulonimbus clouds Warm humid air mass moves north from Gulf of Mexico and meets a cold dry mass that is moving south from Canada SD, Iowa, Nebraska, Kansas, Missouri, Oklahoma, TX, NM, and Arkansas Checkpoint

  7. Hurricanes • Tropical storm that has winds of 119 km/hr • Usually occur between June and November in the eastern US • Hurricanes that occur in western US are called typhoons • Bring much needed rainfall to S Asia & SE Asia

  8. Hurricanes

  9. Hurricanes • Occur between June and November • Effect people that live on the coast of the Atlantic, Pacific, and Indian Oceans • Hurricanes bring needed rainfall to S Asia and SE Asia • Eye – center of a hurricane

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