Unit Study Guide on Thunderstorms, Tornadoes, and Hurricanes. Dominique Becker ED 205- 09 April 18, 2008
Home Slide <ul><li>Thunderstorms </li></ul><ul><li>Tornadoes </li></ul><ul><li>Hurricanes </li></ul><ul><li>Videos </li></...
Thunderstorms
What Makes a Thunderstorm? <ul><li>Moisture : cloud formation & rain </li></ul><ul><li>Unstable air :  relatively warm air...
Three Types of Thunderstorms <ul><li>Air Mass   </li></ul><ul><ul><li>Result of localized convection in an unstable air ma...
Thunderstorm Facts <ul><li>Every thunderstorm produces lightning  </li></ul><ul><li>Heavy rain can lead to flash flooding ...
Important Terms for Thunderstorms <ul><li>A  Severe Thunderstorm Watch  can be issued by the National Weather Service stat...
Thunderstorm Safety Tips <ul><li>Go inside and stay away from windows, doors, and porches </li></ul><ul><li>Stay away from...
Tornadoes
What is a Tornado? <ul><li>A tornado is a violently rotating column of air extending between, and in contact with, a cloud...
How Do You Measure a Tornado? <ul><li>Since February 1, 2008 tornadoes have been measured based on the Enhanced Fujita Sca...
The Enhanced Fujita Scale <ul><li>EF 0 65 to 85 MPH </li></ul><ul><li>EF 1   86 to 110 MPH </li></ul><ul><li>EF 2 111 to 1...
When and Where Do Tornadoes Occur? <ul><li>Tornadoes can occur in  any  state and  any  time of year </li></ul><ul><li>The...
Important Terms for Tornadoes <ul><li>Tornado  Watch:  weather conditions are likely for tornadoes to form in our area  </...
Tornado Safety Tips <ul><li>Seek shelter immediately when a tornado warning is issued </li></ul><ul><ul><li>Underground sh...
Hurricanes
What is a Hurricane? <ul><li>A hurricane is an intense tropical weather system that has a well-defined circulation and sus...
How Do Hurricanes Form? <ul><li>They form when they gather heat and energy through contact with warm ocean waters  </li></...
Storms Associated with Hurricanes <ul><li>Tropical Depression </li></ul><ul><ul><li>An organized of clouds and thunderstor...
When and Where Do Hurricanes Occur? <ul><li>Hurricanes can occur during any time of the year </li></ul><ul><li>Hurricane s...
How Do You Measure a Hurricane? <ul><li>Hurricanes are measured by their speed and it is split into categories </li></ul><...
Safir-Simpson Hurricane Scale <ul><li>Category One  74 to 95 MPH </li></ul><ul><li>Category Two    96 to 110 MPH </li></ul...
Why Do Hurricanes Have Names? <ul><li>Hurricanes are named to help identify and keep track of storms as they move across t...
Why Do Hurricanes Have Names? (2/2) <ul><li>In 1953, the National Weather Service began using female names </li></ul><ul><...
Important Hurricane Terms <ul><li>A  Hurricane Watch  occurs when a hurricane is possible within 36 hours </li></ul><ul><u...
Hurricane Safety Tips <ul><li>Know if the location you are in is a safe zone or whether evacuation may be needed </li></ul...
Videos <ul><li>Watch a  thunderstorm  video! </li></ul><ul><li>Or </li></ul><ul><li>Watch a  tornado  video! </li></ul><ul...
Thunderstorm Video
Tornado Video
Hurricane Video
Story Board
About the Author <ul><li>My name is Dominique Becker, a sophomore currently attending Grand Valley State University </li><...
Resources <ul><li>http://facstaff.gpc.edu/~pgore/Earth&Space/GPS/storms-hurricanes-tornadoes-thunderstorms.html </li></ul>...
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Thunderstorms, Tornadoes, and Hurricanes

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Thunderstorms, Tornadoes, and Hurricanes

  1. 1. Unit Study Guide on Thunderstorms, Tornadoes, and Hurricanes. Dominique Becker ED 205- 09 April 18, 2008
  2. 2. Home Slide <ul><li>Thunderstorms </li></ul><ul><li>Tornadoes </li></ul><ul><li>Hurricanes </li></ul><ul><li>Videos </li></ul><ul><li>About the Author </li></ul><ul><li>Story Board </li></ul><ul><li>Resources </li></ul>
  3. 3. Thunderstorms
  4. 4. What Makes a Thunderstorm? <ul><li>Moisture : cloud formation & rain </li></ul><ul><li>Unstable air : relatively warm air rises rapidly </li></ul><ul><li>Lifting : from sea breezes and mountain interaction </li></ul>
  5. 5. Three Types of Thunderstorms <ul><li>Air Mass </li></ul><ul><ul><li>Result of localized convection in an unstable air mass </li></ul></ul><ul><li>Frontal </li></ul><ul><ul><li>Form right along or just ahead of a cold front </li></ul></ul><ul><li>Orographic </li></ul><ul><ul><li>This type of storm is the result of air that is forced upward by a mountain </li></ul></ul>
  6. 6. Thunderstorm Facts <ul><li>Every thunderstorm produces lightning </li></ul><ul><li>Heavy rain can lead to flash flooding </li></ul><ul><li>Strong winds, hail, and tornadoes may be associated with thunderstorms </li></ul>
  7. 7. Important Terms for Thunderstorms <ul><li>A Severe Thunderstorm Watch can be issued by the National Weather Service station </li></ul><ul><ul><li>This type of storm has winds of at least 58 mph or hail at least ¾ inch in diameter </li></ul></ul><ul><li>A Severe Thunderstorm Warning is issued when a severe thunderstorm has actually been observed </li></ul>
  8. 8. Thunderstorm Safety Tips <ul><li>Go inside and stay away from windows, doors, and porches </li></ul><ul><li>Stay away from trees and out of boats </li></ul><ul><li>Avoid plumbing fixtures and contact with electrical fixtures </li></ul><ul><li>Stay off the phone! </li></ul>
  9. 9. Tornadoes
  10. 10. What is a Tornado? <ul><li>A tornado is a violently rotating column of air extending between, and in contact with, a cloud and the surface of the earth </li></ul><ul><li>Tornadoes can come one at a time or in clusters </li></ul><ul><li>They can also vary in size, length, width, direction of travel, and speed </li></ul>
  11. 11. How Do You Measure a Tornado? <ul><li>Since February 1, 2008 tornadoes have been measured based on the Enhanced Fujita Scale (EF) </li></ul><ul><li>This scale helps determine the speed of a tornado from weakest to strongest </li></ul>
  12. 12. The Enhanced Fujita Scale <ul><li>EF 0 65 to 85 MPH </li></ul><ul><li>EF 1 86 to 110 MPH </li></ul><ul><li>EF 2 111 to 135 MPH </li></ul><ul><li>EF 3 136 to 165 MPH </li></ul><ul><li>EF 4 166 to 200 MPH </li></ul><ul><li>EF 5 Over 200 MPH </li></ul>
  13. 13. When and Where Do Tornadoes Occur? <ul><li>Tornadoes can occur in any state and any time of year </li></ul><ul><li>They typically occur from March to August </li></ul><ul><li>The most common tornadoes are in “Tornado Alley” </li></ul><ul><li>“ Tornado Alley” - Arkansas, Iowa, Kansas, Louisiana, Minnesota, North Dakota, Ohio, Oklahoma, South Dakota, and Texas </li></ul>
  14. 14. Important Terms for Tornadoes <ul><li>Tornado Watch: weather conditions are likely for tornadoes to form in our area </li></ul><ul><li>Tornado Warning: A tornado has been sighted in our area </li></ul>
  15. 15. Tornado Safety Tips <ul><li>Seek shelter immediately when a tornado warning is issued </li></ul><ul><ul><li>Underground shelter is best </li></ul></ul><ul><ul><li>If not available, find an inside room, hallway, or closet on the lowest floor and away from windows </li></ul></ul><ul><li>Listen to the radio or watch TV for updates on the storm </li></ul>
  16. 16. Hurricanes
  17. 17. What is a Hurricane? <ul><li>A hurricane is an intense tropical weather system that has a well-defined circulation and sustained winds of 74 MPH or higher </li></ul>
  18. 18. How Do Hurricanes Form? <ul><li>They form when they gather heat and energy through contact with warm ocean waters </li></ul><ul><li>Water evaporates from the water and the moisture produces a storm </li></ul><ul><li>They can also form when a wind pattern occurs near the surface of the ocean and spirals inward </li></ul>
  19. 19. Storms Associated with Hurricanes <ul><li>Tropical Depression </li></ul><ul><ul><li>An organized of clouds and thunderstorms at low level circulation with winds at a maximum of 39 mph </li></ul></ul><ul><li>Tropical Storm </li></ul><ul><ul><li>An organized system of strong thunderstorms with winds between 39 to 73 mph </li></ul></ul>
  20. 20. When and Where Do Hurricanes Occur? <ul><li>Hurricanes can occur during any time of the year </li></ul><ul><li>Hurricane season is from June 1 st to November 30 th </li></ul><ul><li>They can form in the Atlantic Ocean, Caribbean Sea, Gulf of Mexico, and in the eastern Pacific Ocean </li></ul>
  21. 21. How Do You Measure a Hurricane? <ul><li>Hurricanes are measured by their speed and it is split into categories </li></ul><ul><li>The categories range from one to five, with one being the weakest and five being the strongest </li></ul><ul><li>The classification of hurricane systems is called the Safir-Simpson Hurricane Scale </li></ul>
  22. 22. Safir-Simpson Hurricane Scale <ul><li>Category One 74 to 95 MPH </li></ul><ul><li>Category Two 96 to 110 MPH </li></ul><ul><li>Category Three 111 to 130 MPH </li></ul><ul><li>Category Four 131 to 155 MPH </li></ul><ul><li>Category Five Winds greater then 155 MPH </li></ul><ul><li>Note: Hurricanes of Category Three or above are considered major hurricanes. </li></ul>
  23. 23. Why Do Hurricanes Have Names? <ul><li>Hurricanes are named to help identify and keep track of storms as they move across the ocean </li></ul><ul><li>Atlantic hurricanes might have Spanish, French, or English names since they come in contact with the borders </li></ul><ul><li>Hurricanes are named alphabetically by the National Weather Service </li></ul>
  24. 24. Why Do Hurricanes Have Names? (2/2) <ul><li>In 1953, the National Weather Service began using female names </li></ul><ul><li>In 1979, they began to use both men and women’s names </li></ul>
  25. 25. Important Hurricane Terms <ul><li>A Hurricane Watch occurs when a hurricane is possible within 36 hours </li></ul><ul><ul><li>The storm is being tracked to predict where it may hit </li></ul></ul><ul><li>A Hurricane Warning is issued when it the storm is expected to hit within 24 hours </li></ul><ul><ul><li>Evacuation may be needed </li></ul></ul>
  26. 26. Hurricane Safety Tips <ul><li>Know if the location you are in is a safe zone or whether evacuation may be needed </li></ul><ul><li>Protect windows and glass with plywood </li></ul><ul><li>Turn off utilities </li></ul><ul><li>Have a supply kit including first aid, water, canned goods, battery powered radio, blankets, etc. </li></ul><ul><li>After evacuation, do not return until it has been declared safe </li></ul>
  27. 27. Videos <ul><li>Watch a thunderstorm video! </li></ul><ul><li>Or </li></ul><ul><li>Watch a tornado video! </li></ul><ul><li>Or </li></ul><ul><li>Watch a hurricane video! </li></ul>
  28. 28. Thunderstorm Video
  29. 29. Tornado Video
  30. 30. Hurricane Video
  31. 31. Story Board
  32. 32. About the Author <ul><li>My name is Dominique Becker, a sophomore currently attending Grand Valley State University </li></ul><ul><li>I am studying Elementary Education (Integrated Science) and plan to become a middle school Science Teacher </li></ul>
  33. 33. Resources <ul><li>http://facstaff.gpc.edu/~pgore/Earth&Space/GPS/storms-hurricanes-tornadoes-thunderstorms.html </li></ul><ul><li>www.weather.com </li></ul><ul><li>http://www.ens-newswire.com/ens/aug2007/20070830_thunderstorm.jpg </li></ul><ul><li>http://rst.gsfc.nasa.gov/Sect14/tornado.jpg </li></ul><ul><li>http://www.prisonplanet.com/Pictures/Oct05/141005hurricane.jpg </li></ul>
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