El Salvador is located is in Central America which is in the Northern Hemisphere. El Salvador is located 13.6689 N and 88.8661 W. According the the three cell model, El Salvador is located in the Hadley Cell. Since El Salvador is in the Hadley Cell it is effected by trade winds. The trade winds blow from east to west so winds in this cell are easterly winds. El Salvador is close to the equatorial low. It is not exactly around there since El Salvador's latitude is roughly 14 degree north it is closest to the equator. Since El Salvador is located near the equatorial low it is also close to doldrums.
Areas in the Hadley Cell are effected by trade winds. El Salvador is close to the equator so it has a nice tropical climate. It has typically close as the same weather as Hawaii, except Hawaii is a higher latitude. El Savador's tropical climate always has pretty consistent warm weather and with not too much rain. The warm air rises from the equator and is pushed northward. It then sinks and flows back to the equator giving El Salvador its warm tropical climate.
El Salvador has a lot of volcanoes and two main mountain ranges. There are five types of breezes and winds associated with mountains. They are mountain breezes, valley breezes, Chinook winds or Foehn winds (depending on your geographic location), Katabatic winds or fall winds, and Santa Ana winds. El Salvador experiences mountain and valley breezes. El Salvador is located on the coast of Central America. There are two types of breezes associated with coastline, they are sea breezes and land breezes. El Salvador experiences both sea and land breezes.