 A tropical wave moved off the coast of Africa on June 25 and moved across the Atlantic Ocean and central Caribbean Sea with little development . Within the western Caribbean Sea , convection developed with the wave on July 7 . The system became better organized as it moved into the northeastern Pacific Ocean . The system was upgraded to Tropical Depression Eight @-@ E on July 11 . The depression moved west @-@ northwest , with a good outflow to the north , and gradually strengthened into Tropical Storm Genevieve later that day . Genevieve continued to strengthen , reaching hurricane strength on July 13 . The storm approached within 23 mi ( 37 km ) of Socorro Island where a sustained wind of 44 mph ( 71 km / h ) and gust of 50 mph ( 80 km / h ) were reported , before the weather equipment on the island failed . 
