State of the Climate in 2015 rollout and highlights

  • 2 August 2016
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NOAA and the American Meteorological Society released the State of the Climate in 2015 report on August 2, 2016. Scientists from NOAA's National Climatic Data Center led the report. Every year, the team creates highlights for State of the Climate report in consultation with the report’s editors and authors.

View State of the Climate 2015 highlights

The 2015 report, a 26-year tradition encompassing the work of 450 authors from 62 countries, uses dozens of climate indicators to track patterns, changes, and trends of the global climate system. These indicators often reflect many thousands of measurements from multiple independent data sets. 

The report also details cases of unusual and extreme events, such as 2015 surpassing 2014 as the warmest year on record since at least eh mid-to-late 19th century resulting from both long-term global warming and one of the strongest el Niño events.




Americans’ health, security and economic wellbeing are tied to climate and weather. Every day, we see communities grappling with environmental challenges due to unusual or extreme events related to climate and weather. In 2017, the United States experienced a record-tying 16 climate- and weather-related disasters where overall costs reached or exceeded $1 billion. Combined, these events claimed 362 lives, and had significant economic effects on the areas impacted, costing more than $306 billion. Businesses, policy leaders, resource managers and citizens are increasingly asking for information to help them address such challenges.


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