in which hemisphere is the 30degree line of latitude located
30th parallel north It is the approximate southern border of the horse latitudes in the Northern Hemisphere, meaning that much of the land area touching the 30th parallel is arid or semi-arid. If there is a source of wind from a body of water the area would more likely be subtropical.
Tropic of Capricorn The Tropic of Capricorn is one of the five major circles of latitude that mark maps of Earth. As of 26 November 2017, its latitude is 23°26′13.1″ (or 23.43696°)[1] south of the Equator, but it is very gradually moving northward, currently at the rate of 0.47 arcseconds, or 15 metres, per year.