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  2. Ovoid (projective geometry) - Wikipedia

    en.wikipedia.org/wiki/Ovoid_(projective_geometry)

    In projective geometry an ovoid is a sphere like pointset (surface) in a projective space of dimension d ≥ 3. Simple examples in a real projective space are hyperspheres ( quadrics ). The essential geometric properties of an ovoid O {\displaystyle {\mathcal {O}}} are:

  3. Classical compass winds - Wikipedia

    en.wikipedia.org/wiki/Classical_compass_winds

    The eight compass winds are evidently from the Italian-tinged lingua franca in the Mediterranean Sea during the High and Late Middle Ages. [94] Of the eight winds, only two can be traced to prior Classical winds – Ostra (S) from the Latin Auster, and Libeccio (SW) from the Greek Lips – but the others seem to be largely conceived autonomously.

  4. Oval - Wikipedia

    en.wikipedia.org/wiki/Oval

    An ovoid is the surface in 3-dimensional space generated by rotating an oval curve about one of its axes of symmetry. The adjectives ovoidal and ovate mean having the characteristic of being an ovoid, and are often used as synonyms for "egg-shaped".

  5. Atmospheric circulation - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_circulation

    The winds that flow to the west (from the east, easterly wind) at the ground level in the Hadley cell are called the trade winds. Though the Hadley cell is described as located at the equator, it shifts northerly (to higher latitudes) in June and July and southerly (toward lower latitudes) in December and January, as a result of the Sun's ...

  6. Santa Ana winds: facts and fiction - AOL

    www.aol.com/weather/santa-ana-winds-facts...

    Santa Ana winds and, their Bay Area cousin, the Diablo winds occur when air from a region of high pressure over the dry Great Basin region of the U.S. flows westward toward lower pressure located ...

  7. List of local winds - Wikipedia

    en.wikipedia.org/wiki/List_of_local_winds

    Buran (a wind which blows across eastern Asia. It is also known as Purga when over the tundra); Karakaze (strong cold mountain wind from Gunma Prefecture in Japan); East Asian Monsoon, known in Korea as jangma (), and in Japan as tsuyu (梅雨) when advancing northwards in the spring and shurin (秋霖) when retreating southwards in autumn.

  8. Beaufort scale - Wikipedia

    en.wikipedia.org/wiki/Beaufort_scale

    where v is the equivalent wind speed at 10 metres above the sea surface and B is Beaufort scale number. For example, B = 9.5 is related to 24.5 m/s which is equal to the lower limit of "10 Beaufort". Using this formula the highest winds in hurricanes would be 23 in the scale.

  9. Prevailing winds - Wikipedia

    en.wikipedia.org/wiki/Prevailing_winds

    Winds are part of Earth's atmospheric circulation. The westerlies (blue) and trade winds (yellow and brown) Global surface wind vector flow lines colored by wind speed from June 1, 2011 to October 31, 2011. In meteorology, prevailing wind in a region of the Earth's surface is a surface wind that blows predominantly from a particular direction ...