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The Beaufort Wind Scale

The Beaufort Wind Scale

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The Beaufort Wind Scale

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  1. The Beaufort Wind Scale Use this presentation to learn about how weather watchers measure the wind on land. Click on the buttons to move around the presentation. Advanced computer users may wish to see the end of the presentation for further ideas for using this material.

  2. About the Beaufort Wind Scale The Beaufort Wind Force Scale was invented in 1805 by a sailor called Sir Francis Beaufort, so it was named after him. In those days the strength of the wind was very important for sailing ships. The wind scale was really to help sea goers describe the wind strength in a common format. In later years the scale was modified to describe conditions on land. The wind scale is used by many weather watchers around the world. There are important terms and phrases that have specific meaning and tell people how fast the wind is.

  3. Click on the buttons to see the effects of the wind, then return to this chart. Quiz

  4. Beaufort 0 (under 1 m.p.h.) Calm Keep mouse clicking on the picture to make it move! Calm; smoke rises vertically. Chart

  5. Beaufort 0 (under 1 m.p.h.) Calm Keep mouse clicking on the picture to make it move! Calm; smoke rises vertically. Chart

  6. Beaufort 0 (under 1 m.p.h.) Calm Keep mouse clicking on the picture to make it move! Calm; smoke rises vertically. Chart

  7. Beaufort 1 (1 - 3 m.p.h.) Light Air Keep mouse clicking on the picture to make it move! Smoke drifts Chart

  8. Beaufort 1 (1 - 3 m.p.h.) Light Air Keep mouse clicking on the picture to make it move! Smoke drifts Chart

  9. Beaufort 1 (1 - 3 m.p.h.) Light Air Keep mouse clicking on the picture to make it move! Smoke drifts Chart

  10. Beaufort 2 (4 - 7 m.p.h.) Light breeze Keep mouse clicking on the picture to make it move! Wind felt on face Chart

  11. Beaufort 2 (4 - 7 m.p.h.) Light breeze Keep mouse clicking on the picture to make it move! Wind felt on face Chart

  12. Beaufort 2 (4 - 7 m.p.h.) Light breeze Keep mouse clicking on the picture to make it move! Wind felt on face Chart

  13. Beaufort 3 (8 - 12 m.p.h.) Gentle breeze Keep mouse clicking on the picture to make it move! Leaves move constantly Chart

  14. Beaufort 3 (8 - 12 m.p.h.) Gentle breeze Keep mouse clicking on the picture to make it move! Leaves move constantly Chart

  15. Beaufort 3 (8 - 12 m.p.h.) Gentle breeze Keep mouse clicking on the picture to make it move! Leaves move constantly Chart

  16. Beaufort 4 (13 - 18 m.p.h.) Moderate breeze Keep mouse clicking on the picture to make it move! Small branches move Chart

  17. Beaufort 4 (13 - 18 m.p.h.) Moderate breeze Keep mouse clicking on the picture to make it move! Small branches move Chart

  18. Beaufort 4 (13 - 18 m.p.h.) Moderate breeze Keep mouse clicking on the picture to make it move! Small branches move Chart

  19. Beaufort 5 (19 - 24 m.p.h.) Fresh breeze Keep mouse clicking on the picture to make it move! Small trees sway Chart

  20. Beaufort 5 (19 - 24 m.p.h.) Fresh breeze Keep mouse clicking on the picture to make it move! Small trees sway Chart

  21. Beaufort 5 (19 - 24 m.p.h.) Fresh breeze Keep mouse clicking on the picture to make it move! Small trees sway Chart

  22. Beaufort 6 (25 - 31 m.p.h.) Strong breeze Keep mouse clicking on the picture to make it move! Whistling heard in wires Chart

  23. Beaufort 6 (25 - 31 m.p.h.) Strong breeze Keep mouse clicking on the picture to make it move! Whistling heard in wires Chart

  24. Beaufort 6 (25 - 31 m.p.h.) Strong breeze Keep mouse clicking on the picture to make it move! Whistling heard in wires Chart

  25. Beaufort 7 (32 - 38 m.p.h.) Near gale Keep mouse clicking on the picture to make it move! Whole trees in motion Chart

  26. Beaufort 7 (32 - 38 m.p.h.) Near gale Keep mouse clicking on the picture to make it move! Whole trees in motion Chart

  27. Beaufort 7 (32 - 38 m.p.h.) Near gale Keep mouse clicking on the picture to make it move! Whole trees in motion Chart

  28. Beaufort 8 (39 - 46 m.p.h.) Gale Keep mouse clicking on the picture to make it move! Twigs break off trees Chart

  29. Beaufort 8 (39 - 46 m.p.h.) Gale Keep mouse clicking on the picture to make it move! Twigs break off trees Chart

  30. Beaufort 8 (39 - 46 m.p.h.) Gale Keep mouse clicking on the picture to make it move! Twigs break off trees Chart

  31. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  32. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  33. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  34. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  35. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  36. Beaufort 9 (47 - 54 m.p.h.) Strong gale Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  37. Beaufort 9 (47 - 54 m.p.h.) Strong gale See it again Keep mouse clicking on the picture to make it move! Slight structural damage Chart

  38. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  39. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  40. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  41. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  42. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  43. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  44. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  45. Beaufort 10 (55- 63 m.p.h.) Storm Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  46. Beaufort 10 (55- 63 m.p.h.) Storm See it again Keep mouse clicking on the picture to make it move! Trees uprooted Chart

  47. Beaufort 11 (64 - 72 m.p.h.) Violent storm Keep mouse clicking on the picture to make it move! Wide-spread damage Chart

  48. Beaufort 11 (64 - 72 m.p.h.) Violent storm Keep mouse clicking on the picture to make it move! Wide-spread damage Chart

  49. Beaufort 11 (64 - 72 m.p.h.) Violent storm Keep mouse clicking on the picture to make it move! Wide-spread damage Chart

  50. Beaufort 11 (64 - 72 m.p.h.) Violent storm Keep mouse clicking on the picture to make it move! Wide-spread damage Chart