 The 1990 Pacific hurricane season is the fifth most active season on record and is the third most active season in terms of ACE <unk> . The 1990 season officially started on May 15 in the eastern Pacific , and on June 1 in the central Pacific , and lasted until November 30 . These dates conventionally <unk> the period of each year when most tropical cyclones form in the northeastern Pacific Ocean . However , these bounds were slightly exceeded when Hurricane Alma formed on May 12 . 
