The 2016 Pacific hurricane season was a slightly above-average hurricane season, producing 18 named storms, 11 hurricanes, and 5 major hurricanes. It officially began on May 15, 2016 in the Eastern Pacific and started on June 1, 2016 in the Central Pacific. Both ended on November 30, 2016. These dates conventionally delimit the period of each year when most tropical cyclones form in the eastern Pacific basin. However, as illustrated by Hurricanes Pali and Ulika, the formation of tropical cyclones is possible at any time of the year.