1 2 : 0 0   UTC ▁on ▁September   1 9 , ▁however , ▁it ▁intens ified ▁into ▁the ▁first ▁major ▁h urr icane ▁– ▁a ▁Category ▁ 3 ▁or ▁larger ▁on ▁the ▁S aff ir – Sim pson ▁h urr icane ▁wind ▁scale ▁– ▁of ▁the ▁season ; ▁twelve ▁hours ▁later , ▁it ▁att ained ▁peak ▁wind s ▁of ▁ 1 2 5   m ph ▁( 2 0 5   km / h ). ▁C ool er ▁ocean ▁temper atures ▁took ▁their ▁to ll ▁on ▁J ova ▁as ▁it ▁progress ed ▁west ward , ▁with ▁J ova ▁falling ▁to ▁tropical ▁storm ▁intensity ▁early ▁on ▁September   2 3 , ▁dro pping ▁to ▁tropical ▁de pression ▁intensity ▁early ▁on ▁September   2 4 , ▁and ▁ultimately ▁diss ip ating ▁by ▁ 0 6 : 0 0   UTC ▁on ▁September   2 5 ▁a ▁few ▁hundred ▁miles ▁north ▁of ▁H ilo , ▁Hawai i . ▁ ▁H urr icane ▁Kenneth ▁ ▁A ▁tropical ▁wave ▁led ▁to ▁the ▁formation ▁of ▁a ▁tropical ▁de pression ▁well ▁south west ▁of ▁the ▁B aja ▁California ▁pen ins ula ▁by ▁ 1 8 : 0 0   UTC ▁on ▁September   1 4 . ▁On ▁a ▁generally ▁west ward ▁track , ▁light ▁wind ▁she ar ▁and ▁warm ▁ocean ▁temper atures ▁allowed ▁the ▁de pression ▁to ▁rapidly ▁intens ify , ▁becoming ▁Trop ical ▁storm ▁Kenneth ▁twelve ▁hours ▁after ▁formation ▁and ▁further ▁intens ifying ▁into ▁a ▁h urr icane ▁by ▁ 0 0 : 0 0   UTC