The season officially started on May 15 , 2011 , for the eastern Pacific .
The season officially started on June 1 , 2011 , for the central Pacific , both of which ended on November 30 , 2011 .
The season officially started on May 15 , 2011 , for the eastern Pacific , and started on June 1 , 2011 , for the central Pacific , both of which ended on November 30 , 2011 .