2004 WMHB Pacific hurricane season (Cooper)

The 2004 Pacific hurricane season was a near-average Pacific hurricane season, with 16 named storms, 9 hurricanes, and 3 major hurricanes forming. The season officially began on May 15, 2004 in the eastern Pacific, and on June 1, 2004 in the central Pacific, while the season ended in both basins on November 30, 2004. These dates historically describe the period each year when most tropical cyclones form in the Pacific basin and are adopted by convention.

Storm names
The following list of names was used for named storms that formed in the Northeastern Pacific in 2004. The names not retired from this list were used again in the 2010 season. This was the same list used in the 1998 season.