 Tropical Depression One @-@ E formed from an area of disturbed weather on June 18 . It strengthened to Tropical Storm Aletta the next day . It continued intensifying and reached its peak intensity on June 20 . Vertical wind shear began to weaken the storm thereafter . The weakening trend continued , weakening Aletta to a depression on June 21 . The system dissipated June 23 . Aletta 's remnant low , however , could be tracked on satellite images for days following the storm . The low finally dissipated north of Hawaii . Aletta never affected land , and no damage or casualties were reported . 
