N'ebe ugwu ọwụwa anyanwụ nke oke osimiri Pacific nwere oge dị ukwuu nke ọrụ, ma n'otu oge ahụ na Atlantic. N'ebe ugwu ọdịda anyanwụ nke Pacific, a na-ahụ oké ifufe na-ekpo ọkụ n'afọ niile, na nke dị ala na February na March na nke kachasị elu na mbido Septemba. Na North Indian basin, oké ifufe na-adịkarị site na Eprel ruo Disemba, na ọnụ ọgụgụ dị elu na May na Nọvemba. Na Southern Hemisphere, afọ cyclone na-amalite na July 1 ma na-agba ọsọ n'afọ niile na-agụnye oge cyclone na-ekpo ọkụ, nke na-agba ọsọ site na November 1 ruo na njedebe nke Eprel, na etiti ọnwa Febụwarị ruo mmalite March. Ajụjụ: mgbe ka afọ na-amalite na Southern Hemisphere?
July 1