2020 among the three warmest years recorded on Earth: WMO

16 Janvier, 2021, 19:43 | Auteur: Therese Cote
  • NOAA Scientists Say 2020 Was 2nd Hottest Year Ever

According to the National Weather Service, previous year Central Park tied 2012 for warmest annual average temperatures on record, with a reading of 57.3 degrees, 2.3 degrees above normal. It was revealed the briefing on Thursday (early Friday morning in the Philippines) during the 101st American Meteorological Society Annual Meeting.

The Northern Hemisphere saw its hottest year on record at 2.30 degrees F (1.28 degrees C) above the 20th-century average. "It is remarkable that temperatures in 2020 were virtually on a par with 2016, when we saw one of the strongest El Nino warming events on record".

Global temperatures in 2020 were among the highest on record and rivaled 2016 as the hottest year ever, according to worldwide data compiled by the World Meteorological Organization and released on Thursday.

"Whether one year is a record or not is not really that important, the important things are long-term trends", he said.

Global temperature trends provide a critical indicator of the impact of human activities on our planet. Whereas in 2016, El Niño caused a big boom in temperature.

Among the NOAA's findings, scientists determined that the year 2020 was Europe's warmest on record.

Last year, the average global temperature recorded was 14.9 degrees Celsius, which was 1.2 degrees Celsius above the pre-industrial level (1850-1900). La Nina and El Nino effects on average global temperature are typically strongest in the second year of the event.

JMA monitors the long-term change of the global average surface temperature anomalies to monitor global warming.

According to the Paris Climate Agreement, global average temperatures need to be controlled well below two degrees Celsius of the pre-industrial era.

NOAA Scientists Say 2020 Was 2nd Hottest Year Ever

While NOAA has named 2020 as the second-hottest week after record-keeping started in 1880, there are several differences among other organizations that undertake similar calculations.

NASA's data also includes polar regions, unlike NOAA's. This is an oceanic phenomenon when cooler than normal sea surface temperatures are recorded along the central and equatorial regions of the Pacific Ocean, which in turn affects global average temperatures.

NOAA and NASA monitored satellites in orbit and about 20,000 weather stations all over the planet.

NASA's GISS temperature analysis is accurate to within 0.1 degrees Fahrenheit with a 95-percent confidence level for the most recent period.

"The confirmation by the WMO that 2020 was one of the warmest years on record is yet another stark reminder of the relentless pace of climate change, which is destroying lives and livelihoods across our planet", said United Nations chief Guterres.

This process of global warming will only continue as our species continues to produce and emit greenhouse gases like carbon dioxide and methane.

The temperature figures released this week will be incorporated into the WMO's "State of the Climate in 2020" report that will be released in March. Last year, experts recorded "exceptionally warm" oceans.

"WMO has repeatedly stressed that the industrial and economic slowdown from COVID-19 is not a substitute for sustained and coordinated climate action", Taalas said.

"Whilst COVID-19 has caused a severe global health and economic crisis, failure to tackle climate change may threaten human well-being, ecosystems and economies for centuries", he said.

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