 A tropical wave exited the west coast of Africa on May 23 and tracked westward across the Atlantic Ocean and the Caribbean Sea . The system had entered into the Gulf of Mexico on June 6 . Another tropical wave merged with the system on June 7 and developed into a low pressure area in the Gulf of Mexico . Later that day , the National Hurricane Center began classifying the system as Tropical Depression One . Though the depression was predicted to intensify into a tropical storm , strong wind shear produced by an upper @-@ anticyclone prevented significant strengthening . 
