Ocean conditions are not likely to help drought-stressed regions this spring. However, some broader changes might be coming in the Pacific.
Published Mar 25, 2015
Continuing a pattern that had been building for nine months, La Niña strengthened in the fall of 2007.
Published Nov 10, 2007
After appearing for two consecutive winters, La Niña appears to be taking some time off.
Published May 4, 2012
A strip of cold water hugging the equator in the eastern tropical Pacific Ocean in mid-June may foreshadow a transition from El Niño to La Niña conditions
Published Jun 24, 2010
With each passing month, 2015 looks more and more like 1997.
Published Oct 13, 2015
Weakening trade winds are allowing warm water to move east across the Pacific in a telltale pattern.
Published Aug 5, 2015
Acquired September 6, 2010, this map shows cooling in the central Pacific Ocean consistent with La Niña conditions.
Published Sep 19, 2010
