o ▁weak ens ▁to ▁a ▁tropical ▁storm ▁roughly ▁ 1 8 0   mi ▁( 2 9 0   km ) ▁south ▁of ▁Cab o ▁Cor ri entes , ▁Mexico ▁and ▁roughly ▁ 4 3 5   mi ▁( 7 0 5   km ) ▁sout heast ▁of ▁the ▁southern ▁tip ▁of ▁B aja   Cal iforn ia . ▁September   2 2 ▁ 0 9 : 0 0   UTC ▁( 2 : 0 0   a . m .   P DT )   – ▁Trop ical ▁Storm ▁Pol o ▁weak ens ▁to ▁a ▁tropical ▁de pression ▁approximately ▁ 2 5 0   mi ▁( 4 0 0   km ) ▁west ▁of ▁the ▁southern ▁tip ▁of ▁B aja   Cal iforn ia . ▁ 1 5 : 0 0   UTC ▁( 8 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁Pol o ▁deg ener ates ▁to ▁a ▁rem nant ▁area ▁of ▁low ▁pressure ▁about ▁ 2 9 0   mi ▁( 4 7 0   km ) ▁west ▁of ▁the ▁southern ▁tip ▁of ▁B aja   Cal iforn ia . ▁September   2 4 ▁▁ 1 5 : 0 0   UTC ▁( 8 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁E igh teen - E ▁develop s ▁from ▁an ▁area ▁of ▁low ▁pressure ▁roughly ▁ 2 8 5   mi ▁( 4 6 0   km )