February 13, 2012

Jake Crouch of the National Climatic Data Center recaps the temperature patterns of 2011, emphasizing the much greater than average warmth across Arctic latitudes and the influence of La Niña in the tropical Pacific.

November 23, 2011

During spring 2011, the Northern Great Plains experienced record flooding. This video explains how a La Niña climate pattern helped set the stage for this extreme event.

August 29, 2011

An expert on climate conditions in East Africa describes the climate factors behind the 2011 drought, which has contributed to food insecurity and famine.

August 9, 2011

In early 2010, water temperatures in the eastern tropical Pacific were warmer than average, but a summertime reversal cooled the region off over the rest of the year.

August 9, 2011

Between January and April 2010, temperatures in the Pacific were under the warming influence of a fading El Niño episode. Meanwhile, higher latitudes of the Northern Hemisphere were dominated by a strong negative phase of the Arctic Oscillation.

July 10, 2011
April 22, 2011

As far back as August 2010, NOAA's seasonal climate models predicted that rainfall would be heavier than normal across Indonesia and Southeast Asia in early 2011. The cause? La Niña.