| 21. | Weather services issue a "'gale warning "'for maritime locations currently or imminently experiencing winds of Gale Force on the Beaufort scale.
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| 22. | A "'whole gale "'is a wind of force 10 on the Beaufort Scale, ranging in strength from 48 to 55 knots.
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| 23. | Heavy storms, rain showers and thunderstorms are common in summer and heavy winds up to 8 on the Beaufort scale are possible.
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| 24. | Because this Ferris wheel is operating at high altitude, it was designed to be able to resist 8-magnitude earthquakes and Beaufort Scale 12 typhoons.
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| 25. | Where " v " is the equivalent wind speed at 10 metres above the sea surface and " B " is Beaufort scale number.
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| 26. | Wind direction is given first, then strength ( on the Beaufort scale ), followed by precipitation, if any, and ( usually ) lastly visibility.
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| 27. | Navrotsky said that the storm on Monday measured four on the Beaufort Scale, with winds of 43 mph, and would probably worsen at night.
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| 28. | In the middle of the night, the wind speed reached hurricane force 48 55 m / s ( 12 on the Beaufort scale ).
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| 29. | Gusts surpassed 9 on the Beaufort scale, or 75-88 kilometers per hour ( 47-54 mph ), the minimum needed to keep passenger ferries from traveling.
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| 30. | The voyage started on 5 June 2005, from Gillingham, and the severe storm, force 11 on the Beaufort scale, caught him on 3 July 2005.
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