2010 – 12 La Niña event was one of the strongest on record . It caused Australia to experience its wettest September on record in 2010 , and its second-wettest year on record in 2010 . It also led to an unusual intensification of the Leeuwin Current , the 2010 Pakistan floods , the 2010 – 11 Queensland floods , and the 2011 East Africa drought . It also helped keep the average global temperature below recent trends , leading to 2011 tying with 1997 for the 14th-warmest year on record
2010 Pakistan floods
2010 Pakistan floods
2010–12 La Niña event