They are created because of the way the earth spins on its axis and because some parts of the earth’s surface heat up more than others, keeping the atmosphere in a constant state of turbulence.
Šīs gaisa plūsmas rada zemeslodes griešanās ap savu asi un planētas virsmas nevienmērīgā sasilšana, kas gaisa masām liek atrasties nemitīgā kustībā.