Back-to-back La Niñas cooled globe and influenced extreme weather in 2011

Back-to-back La Niñas cooled globe and influenced extreme weather in 2011

http://www.sciencedaily.com/releases/2012/07/120710111111.htm
July 15, 2012
ScienceDaily (July 10, 2012) — Worldwide, 2011 was the coolest year on record since 2008, yet temperatures remained above the 30 year average, according to the 2011 State of the Climate report released online today (July 10, 2012) by NOAA. The peer-reviewed report, issued in coordination with the American Meteorological Society (AMS), was compiled by 378 scientists from 48 countries around the world. It provides a detailed update on global climate indicators, notable weather events and other data collected by environmental monitoring stations and instruments on land, sea, ice and sky.
"2011 will be remembered as a year of extreme events, both in the United States and around the world," said Deputy NOAA Administrator Kathryn D. Sullivan, Ph.D. "Every weather event that happens now takes place in the context of a changing global environment. This annual report provides scientists and citizens alike with an analysis of what has happened so we can all prepare for what is to come."

The lead character of the 2011 climate story was a double dip La Niña, which chilled the Pacific at the start and end of the year. Many of the 2011 seasonal climate patterns around the world were consistent with common side effects of La Niña. (Credit: NOAA Climate Portal)

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