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Weather. Quick Quiz. Beaufort: Force 8. Mean wind speed (knots): 37 Limit of wind speed (knots): 34 - 40 Description: Gale Sea State: Very Rough - High. Beaufort: Force 10. Mean wind speed (knots): 52 Limit of wind speed (knots): 48 - 55 Description: Storm Sea State: Very High.

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Weather


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    Presentation Transcript
    1. Weather Quick Quiz

    2. Beaufort: Force 8 Mean wind speed (knots): 37 Limit of wind speed (knots): 34 - 40 Description: Gale Sea State: Very Rough - High

    3. Beaufort: Force 10 Mean wind speed (knots): 52 Limit of wind speed (knots): 48 - 55 Description: Storm Sea State: Very High

    4. Beaufort: Force 12 Mean wind speed (knots): N/A Limit of wind speed (knots): Greater than 64 Description: Hurricane Sea State: Phenomenal Note: this use of the word “Hurricane” does not have the same meaning as its use in terms of a tropical storm

    5. Beaufort: Force 1 Mean wind speed (knots): 2 Limit of wind speed (knots): 1 - 3 Description: Light Air Sea State: Calm (rippled)

    6. Beaufort: Force 6 Mean wind speed (knots): 24 Limit of wind speed (knots): 22 - 27 Description: Strong Breeze Sea State: Rough

    7. Rapidly This term describes a weather system that is moving: “at 35 to 45 knots”

    8. Very High This is the term used to describe a wave height: “9.0 to 14.0m”

    9. Sea Fog A type of advection fog formed when air that has been lying over a warm water surface is transported over a colder water surface This results in cooling of the lower layer of air below its dewpoint

    10. Rapidly This term describes a weather system that is moving: “at 35 to 45 knots”

    11. Veering The changing of the wind direction clockwise

    12. Very Poor This term describes visibility of: “less than 1000 metres”

    13. Backing The changing of the wind in the opposite direction to veering (anticlockwise)

    14. Very High This is the term used to describe a wave height: “9.0 to 14.0m”

    15. Smooth This is the term used to describe a wave height: “less than 0.5m”

    16. Gale Warnings Are issued as required throughout the day (for winds of Gale Force 8 or more) These are displayed with the Shipping forecast

    17. Soon This weather changes is: “Expected within six to 12 hours of time of issue ”

    18. Moderate This term describes visibility of: “between 2 and 5 Nm”

    19. Rough This is the term used to describe a wave height: “2.5 to 4.0m”

    20. Later This weather changes is: “Expected more than 12 hours from time of issue ”

    21. Beaufort: Force 11 Mean wind speed (knots): 60 Limit of wind speed (knots): 56 - 63 Description: Violent Storm Sea State: Very High

    22. Strong Wind Warnings Are issued as required throughout the day (for winds of Strong Breeze force 6 or more) These are displayed with the Inshore waters forecast

    23. Rising (or falling) quickly Pressure change of 3.6 to 6.0mb in the preceding three hours

    24. Slowly This term describes a weather system that is moving: “at less than 15 knots”

    25. Beaufort: Force 9 Mean wind speed (knots): 44 Limit of wind speed (knots): 41 - 47 Description: Severe Gale Sea State: High

    26. Beaufort: Force 9 Mean wind speed (knots): 44 Limit of wind speed (knots): 41 - 47 Description: Severe Gale Sea State: High

    27. Soon This weather changes is: “Expected within six to 12 hours of time of issue ”

    28. Beaufort: Force 2 Mean wind speed (knots): 5 Limit of wind speed (knots): 4 - 6 Description: Light Breeze Sea State: Smooth (wavelets)

    29. Phenomenal This is the term used to describe a wave height: “greater than 14.0m”

    30. Beaufort: Force 7 Mean wind speed (knots): 30 Limit of wind speed (knots): 28 - 33 Description: Near Gale Sea State: Rough-Very Rough

    31. Beaufort: Force 2 Mean wind speed (knots): 5 Limit of wind speed (knots): 4 - 6 Description: Light Breeze Sea State: Smooth (wavelets)

    32. Beaufort: Force 3 Mean wind speed (knots): 9 Limit of wind speed (knots): 7 - 10 Description: Gentle Breeze Sea State: Slight

    33. Good This term describes visibility of: “more than 5 Nm”

    34. Slight This is the term used to describe a wave height: “0.5 to 1.25m”

    35. Very Poor This term describes visibility of: “less than 1000 metres”

    36. Beaufort: Force 8 Mean wind speed (knots): 37 Limit of wind speed (knots): 34 - 40 Description: Gale Sea State: Very Rough - High

    37. Rising (or falling) very rapidly Pressure change of more than 6.0mb in the preceding three hours

    38. Beaufort: Force 3 Mean wind speed (knots): 9 Limit of wind speed (knots): 7 - 10 Description: Gentle Breeze Sea State: Slight

    39. Poor This term describes visibility of: “between 1000 metres and 2 Nm”

    40. Moderate This term describes visibility of: “between 2 and 5 Nm”

    41. Steadily This term describes a weather system that is moving: “at 15 to 25 knots”

    42. Gale Warnings Are issued as required throughout the day (for winds of Gale Force 8 or more) These are displayed with the Shipping forecast

    43. Good This term describes visibility of: “more than 5 Nm”

    44. Beaufort: Force 11 Mean wind speed (knots): 60 Limit of wind speed (knots): 56 - 63 Description: Violent Storm Sea State: Very High

    45. Beaufort: Force 12 Mean wind speed (knots): N/A Limit of wind speed (knots): Greater than 64 Description: Hurricane Sea State: Phenomenal Note: this use of the word “Hurricane” does not have the same meaning as its use in terms of a tropical storm

    46. Rising (or falling) Pressure change of 1.6 to 3.5mb in the preceding three hours

    47. Moderate This is the term used to describe a wave height: “1.25 to 2.5m”

    48. Rising (or falling) quickly Pressure change of 3.6 to 6.0mb in the preceding three hours

    49. Slowly This term describes a weather system that is moving: “at less than 15 knots”

    50. High This is the term used to describe a wave height: “6.0 to 9.0m”