▁data ▁from ▁post - st orm ▁reviews ▁by ▁the ▁National ▁H urr icane ▁Center , ▁such ▁as ▁a ▁storm ▁that ▁was ▁not ▁operation ally ▁war ned ▁upon , ▁has ▁been ▁included . ▁The ▁tim eline ▁also ▁documents ▁tropical ▁cy clone ▁form ations , ▁strength ening , ▁weak ening , ▁land falls , ▁extr at rop ical ▁trans itions , ▁and ▁diss ip ations ▁during ▁the ▁season . ▁ ▁Tim eline ▁of ▁events ▁ ▁May ▁May   1 5 ▁ 0 4 : 0 0   UTC ▁( 9 : 0 0   p . m .   P DT ▁May   1 4 )   – ▁The ▁ 2 0 1 4 ▁Pacific ▁h urr icane ▁season ▁officially ▁begins . ▁May   2 2 ▁ 1 8 : 0 0   UTC ▁( 1 1 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁One - E ▁develop s ▁from ▁an ▁area ▁of ▁low ▁pressure ▁about ▁ 6 3 5   mi ▁( 1 , 0 2 0   km ) ▁south - s outh west ▁of ▁Man zan illo , ▁Mexico . ▁May   2 3 ▁ 1 8 : 0 0   UTC ▁( 1 1 : 0 0   a . m .   P DT )   – ▁Trop ical ▁De pression ▁One - E ▁intens ifies ▁into ▁Trop ical ▁Storm ▁Am anda . ▁May   2 4 ▁ 1 2 : 0 0   UTC ▁( 5 : 0