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  2. Beaufort scale - Wikipedia

    en.wikipedia.org/wiki/Beaufort_scale

    Beaufort scale. A ship in a force 12 (" hurricane -force") storm at sea, the highest rated on the Beaufort scale. The Beaufort scale / ˈboʊfərt / is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale .

  3. Table Bay - Wikipedia

    en.wikipedia.org/wiki/Table_Bay

    Cape Town. Table Bay ( Afrikaans: Tafelbaai) is a natural bay on the Atlantic Ocean overlooked by Cape Town (founded 1652 by Van Riebeeck) and is at the northern end of the Cape Peninsula, which stretches south to the Cape of Good Hope. It was named because it is dominated by the flat-topped Table Mountain .

  4. Wind speed - Wikipedia

    en.wikipedia.org/wiki/Wind_speed

    In meteorology, wind speed, or wind flow speed, is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature. Wind speed is now commonly measured with an anemometer . Wind speed affects weather forecasting, aviation and maritime operations, construction projects, growth and ...

  5. Wind profile power law - Wikipedia

    en.wikipedia.org/wiki/Wind_profile_power_law

    The wind profile power law relationship is. where is the wind speed (in metres per second) at height (in metres), and is the known wind speed at a reference height . The exponent ( ) is an empirically derived coefficient that varies dependent upon the stability of the atmosphere. For neutral stability conditions, is approximately 1/7, or 0.143.

  6. Wind fetch - Wikipedia

    en.wikipedia.org/wiki/Wind_fetch

    Wind fetch. Wave growth chart based on the formulas by Groen & Dorrestein [1] In oceanography wind fetch, also known as fetch length or simply fetch, is the length of water over which a given wind has blown without obstruction. [2] [3] Fetch is used in geography and meteorology and its effects are usually associated with sea state and when it ...

  7. Saffir–Simpson scale - Wikipedia

    en.wikipedia.org/wiki/Saffir–Simpson_scale

    Saffir–Simpson scale, 1-minute maximum sustained winds. The Saffir–Simpson hurricane wind scale ( SSHWS) classifies hurricanes —which in the Western Hemisphere are tropical cyclones that exceed the intensities of tropical depressions and tropical storms —into five categories distinguished by the intensities of their sustained winds.

  8. Wind wave - Wikipedia

    en.wikipedia.org/wiki/Wind_wave

    Video of large waves from Hurricane Marie along the coast of Newport Beach, California. In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the wind blowing over the water's surface. The contact distance in the direction of the wind is known as the fetch.

  9. Commonwealth Bay - Wikipedia

    en.wikipedia.org/wiki/Commonwealth_Bay

    Katabatic wind. Commonwealth Bay is listed in both the Guinness Book of World Records and the Eighth Edition of the National Geographic Atlas as the windiest place on Earth, with winds regularly exceeding 240 kilometres (150 mi) per hour and an average annual wind speed of 80 kilometres (50 mi) per hour.

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