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"No primeiro ano de Baltazar, rei da Babilônia, Daniel teve um sonho. Imediatamente escreveu as imagens que lhe povoaram a mente enquanto dormia. Daniel fez o seguinte relato: Durante a noite, tive esta visão: os quatro ventos reviravam o mar imenso. Quatro enormes feras surgiram do meio do mar, cada uma diferente da outra.[...]" Daniel 7:1-3  
 
"No primeiro ano de Baltazar, rei da Babilônia, Daniel teve um sonho. Imediatamente escreveu as imagens que lhe povoaram a mente enquanto dormia. Daniel fez o seguinte relato: Durante a noite, tive esta visão: os quatro ventos reviravam o mar imenso. Quatro enormes feras surgiram do meio do mar, cada uma diferente da outra.[...]" Daniel 7:1-3  

Edição atual tal como às 17h30min de 14 de novembro de 2007

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Merriam Websters Dictionary.jpg Este artigo encontra-se parcialmente em língua estrangeira.
Ajude e colabore com a tradução.

"No primeiro ano de Baltazar, rei da Babilônia, Daniel teve um sonho. Imediatamente escreveu as imagens que lhe povoaram a mente enquanto dormia. Daniel fez o seguinte relato: Durante a noite, tive esta visão: os quatro ventos reviravam o mar imenso. Quatro enormes feras surgiram do meio do mar, cada uma diferente da outra.[...]" Daniel 7:1-3


"Depois disso vi quatro Anjos, um em cada canto da terra. Eles seguravam os quatro ventos da terra. Assim, o vento não podia soprar na terra, nem no mar, nem nas árvores." - Apocalipse 7:1


Historic Facts

Aurora was the ancient Roman equivalent of Eos, the ancient Greek goddess of the dawn. Aurora is the Latin word for dawn.

In Greek mythology, Aurora is also the mother of the four winds and the stars. Her sons appear in the clouds above her. Boreas, the north wind, blows an icy blast on his conch shell (upper left), Notos the south wind dumps his water jar, and Zephyrus the west wind and Eurus the east wind soar just below their brothers. (The male figure bearing flowers on the lower right may be Zephyrus, traditionally associated with the coming of spring.) Quite possibly, these figures may have secondary identities as the four seasons: winter (icy howling winds), summer (rain showers), spring (flowers), and fall (harvest fruits and vegetables), since the seasons also appear in classical art as associates of the dawn goddess. A fifth son of Aurora, Hesperus the evening star, may be represented by the large gold star floating just above the evening Aurora’s uplifted hands. These figures symbolize the essential elements of navigation: the movement of the sun, the points of the compass, the winds, and the night stars.


Names for specific winds in certain regions

In ancient Greek mythology, the four winds were personified as gods, called the Anemoi. These included Boreas, Notos, Euros, and Zephyros. The Greeks also observed the seasonal change of the winds, as evidenced by the Tower of the Winds in Athens.

In modern usage, many local wind systems have their own names. For example:

  • Alizé (northeasterly across central Africa and the Caribbean)
  • Alizé Maritime (a wet, fresh northerly wind across west central Africa)
  • Bayamo (a violent wind on Cuba's southern coast)
  • Bora (northeasterly from eastern Europe to Italy)
  • Chinook (warm dry westerly off the Rocky Mountains)
  • Etesian (Greek name) or Meltemi (Turkish name) (northerly across Greece and Turkey)
  • Föhn (warm dry southerly off the northern side of the Alps)
  • Fremantle Doctor (afternoon breeze from the Indian Ocean which cools Perth, Western Australia during Summer)
  • Gregale (northeasterly from Greece)
  • Harmattan (dry northerly wind across central Africa)
  • Halny (in northern Carpathians)
  • Khamsin (southeasterly from north Africa to the eastern Mediterranean)
  • Levanter (easterly through Strait of Gibraltar)
  • Libeccio (southwesterly towards Italy)
  • Marin (south-easterly from Mediterranean to France)
  • Mistral (cold northerly from central France and the Alps to Mediterranean)
  • Nor'easter (eastern United States)
  • Santa Ana winds (southern California)
  • Sirocco (southerly from north Africa to southern Europe)
  • Southerly Buster (rapidly arriving low pressure cell that dramatically cools Sydney, Australia during Summer)
  • Tramontane (cold northwesterly from the Pyrenees or northeasterly from the Alps to the Mediterranean, similar to Mistral)
  • Vendavel (westerly through Strait of Gibraltar)
  • Zonda wind (on the eastern slope of the Andes in Argentina)

Meteorological instruments to measure wind speed and/or direction

  • Anemometer (measures wind speed, either directly, e.g. with rotating cups, or indirectly, e.g. via pressure differences or the propagation speed of ultrasound signals)
  • Rawinsonde (GPS-based wind measurement is performed by the probe)
  • Weather balloon (passive measurement, balloon position is tracked from the ground visually or via radar; wind profile is computed from drift rate and the theoretical speed of ascent)
  • Weather vane (used to indicate wind direction)
  • Windsock (primarily used to indicate wind direction, may also be used to estimate wind speed by its angle)

See also

Predefinição:Met vars

External links