N'otu oge ahụ, akụkọ ụgbọ mmiri abụọ dị iche iche gosiri na John nwere ifufe nke ọ dịkarịa ala 55 knots (100 km/h, 65 mph), nke siri ike karịa ike ndụmọdụ nke 35 knots (65 km/h, 40 mph). John ga-aga n'ihu na-eme ka ọ bụrụ oke ifufe nke 1 mgbe ọ banyechara Central North Pacific, na-agbagha amụma niile JTWC. Mgbe emechara nyocha, JTWC welitere ọsọ ọsọ ifufe nke John maka ndụmọdụ ọ bụla site na 1200 UTC September 1 ruo ndụmọdụ ikpeazụ ya kpọmkwem otu izu ka e mesịrị site na ọ dịkarịa ala 5 knots (9 km/h, 6 mph) na ihe dị ka 25 knots (46 km/h, 29 mph). Ajụjụ: kilomita ole ka 55 knots dị kwa awa?
65 mph