Why does local winds affect the global winds?

Wind is the horizontal movement of air. All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion. Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds. Global Winds. read more

So local winds affect the weather of local area. if a hot wind blows in that particular area, then cold wind moves towards that area because wind moves from High Pressure to Low Pressure. During Summer in Northern India ,hot wind blows known as Loo. read more

Global winds help to distribute heat and water vapor around the Earth, which influences temperature and precipitation patterns around the entire globe. Global winds are caused by pressure differences in the atmosphere from warm air rising to the poles. read more

Local winds are created by normal fluctuations in temperature from day to night, but global winds have a more direct effect on the climate of a region. Because the sun is more intense at the equator, global wind patterns called prevailing winds form. read more