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Publish Date: 13 May 2016
The previously strong 2015-16 El Niño is now weakening rapidly. However it is still likely to influence climate patterns in some regions until mid-year. Climate prediction models indicate a return to ENSO-neutral during May 2016, with odds now increasing of La Niña development in the third quarter. A resurgence of El Niño is highly unlikely in 2016. National Meteorological and Hydrological Services will closely monitor changes in the state of ENSO over the coming months. Ocean temperatures in the central and eastern tropical Pacific Ocean exceeded +2.0 degrees Celsius above average between...
Publish Date: 18 May 2016
Human activity has increased the direct warming effect of carbon dioxide (CO₂) in the atmosphere by 50 percent above pre-industrial levels during the past 25 years, according to NOAA's 10th Annual Greenhouse Gas Index . In 2015, the global average CO₂ concentration reached 399 parts per million, increasing by a record amount of almost 3 ppm. From the end of the Ice Age to the beginning of the industrial era, atmospheric carbon dioxide remained remarkably stable at 278 ppm.
Publish Date: 20 May 2016
Global temperature records were broken yet again in April for the 12th consecutive month, the longest such streak in the 137-year record of the U.S. National Oceanic and Atmospheric Administration (NOAA ). Overall, 13 out of the 15 highest monthly temperature departures in the record have all occurred since February 2015. NOAA said the combined average temperature over global land and ocean surfaces for April 2016 was 1.10°C (1.98°F) above the 20th century average of 13.7°C (56.7°F) - the highest temperature departure for April since global records began in 1880. This value surpassed the...