ScienceDaily (Sep. 16, 2010) — The tropical Pacific Ocean has transitioned from last winter's El Niño conditions to a cool La Niña, as shown by new data about sea surface heights, collected by the U.S-French Ocean Surface Topography Mission (OSTM)/Jason-2 oceanography satellite.
http://www.sciencedaily.com/releases/2010/09/100916090547.htm