▁south west ▁of ▁Z ih u at ane jo , ▁Mexico . ▁ 1 2 : 0 0   UTC ▁( 5 : 0 0   a . m .   P DT )   – ▁Trop ical ▁Storm ▁Gene v ieve ▁weak ens ▁to ▁a ▁tropical ▁de pression . ▁ 1 8 : 0 0   UTC ▁( 1 1 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁E ight - E ▁strength ens ▁to ▁Trop ical ▁Storm ▁Hern an ▁approximately ▁ 3 4 5   mi ▁( 5 5 5   km ) ▁south west ▁of ▁Man zan illo , ▁Mexico . ▁July   2 7 ▁ 0 9 : 0 0   UTC ▁( 2 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁Gene v ieve ▁cross es ▁ 1 4 0 ° W , ▁leaving ▁the ▁juris diction ▁of ▁the ▁National ▁H urr icane ▁Center ▁and ▁entering ▁the ▁area ▁monitor ed ▁by ▁the ▁Central ▁Pacific ▁H urr icane ▁Center . ▁ 1 8 : 0 0   UTC ▁( 1 1 : 0 0   a . m .   P DT )   – ▁Trop ical ▁Storm ▁Hern an ▁strength ens ▁into ▁a ▁Category   1 ▁h urr icane ▁about ▁ 3 3 5   mi ▁( 5 3 5   km ) ▁south - s outh west ▁of ▁the ▁southern ▁tip ▁of ▁the ▁B aja   Cal