global temperature 2019


By 2020, models project that global surface temperature will be more than 0.5°C (0.9°F) warmer than the 1986-2005 average, regardless of which carbon dioxide emissions pathway the world follows. According to the 2019 Global Climate Report from NOAA National Centers for Environmental Information, 2019 began with a weak-to-moderate El Niño event underway in the tropical Pacific Ocean. Please note that anomalies and ranks reflect the historical record according to these updated v… This ocean data is based on 392 million measurements collected by ships and buoys, including 18 million observations obtained in 2019. Looking back to 1988, a pattern emerges: except for 2011, as each new year is added to the historical record, it becomes one of the top 10 warmest on record at that time, but it is ultimately replaced as the “top ten” window shifts forward in time. Antarctic sea ice extent: Antarctic sea ice extent during December was 3.59 million square miles, according to analysis by the National Snow and Ice Data Center. NASA Earth Observatory (2010, June 3) Global Warming. This largely neutral weather pattern would not be expected to have had a large impact on temperature in 2019. Across inaccessible areas that have few measurements, scientists use surrounding temperatures and other information to estimate the missing values. Multiple independent research groups across the world perform their own analysis of the surface temperature data, and they all show a similar upward trend. Data: NASA GISS; Graphic: Harry Stevens/Axios. Please note that anomalies and ranks reflect the historical record according to these updated v… EIN: 46-2032196, 501(c)(3).

The concept of an average temperature for the entire globe may seem odd. The following is our report on global mean temperature during 2019.

Temperatures were warmer than average across most global land and ocean areas during most of the year. Contribution of Working Group 1 to the 5th Assessment Report of the Intergovernmental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Since 1980, the overall trend is +0.19 °C/decade (+0.34 °F/decade) and has changed little during this period. When compared to 1951-1980 averages, the land average in 2019 has increased 1.32 ± 0.04 °C (2.38 ± 0.08 °F) and the ocean surface temperature, excluding sea ice regions, has increased 0.59 ± 0.06 °C (1.06 ± 0.11 °F). Record high sea surface temperatures were observed across parts of all oceans, specifically, parts of the North and South Atlantic Ocean, the western Indian Ocean, and northern, western and southwestern Pacific Ocean. https://www.ncdc.noaa.gov/sotc/global/201913, Carbon Dioxide: Earth's Hottest Topic is Just Warming Up, History of Earth's temperature since 1880. The following chart compares Berkeley Earth’s analysis of global mean temperature to that of the NASA’s GISTEMP, NOAA’s GlobalTemp, the UK’s HadCRUT, Cowtan & Way, and ECMWF‘s reanalysis. The Paris Agreement on Climate Change aims to keep global temperature rise to well below 2 °C (3.6 °F) and encourages parties to strive for warming of no more than 1.5 °C (2.7 °F). The global mean temperature in 2019 was colder than 2016, but warmer than every other year that has been directly measured. NOAA National Centers for Environmental Information, State of the Climate: Global Climate Report for Annual 2019, published online January 2020, retrieved on January 16, 2020 from https://www.ncdc.noaa.gov/sotc/global/201913. Only December 2015 (+2.09°F / +1.16°C) was warmer. NOAA Climate.gov map, based on NCEI data. The total uncertainty is much less than the long-term changes in climate during the last 150 years. A more complete summary of climate conditions and events can be found at: http://www.ncdc.noaa.gov/sotc/global/2019/13. Temperature records from NOAA, NASA, and the University of East Anglia all show an increase from the start of the 20th-century through 2019. By continuing this trend, we can make a rough guess of how the near-future climate may develop if the forces driving global warming continue at their present rate. Arctic sea ice extent: Recent trends in the decline of Arctic sea ice extent continued in 2019.
Arctic and Antarctic sea ice extents were near-record low during November. admin@berkeleyearth.org

The five warmest years in the 1880–2019 record have all occurred since 2015, while nine of the 10 warmest years have occurred since 2005. Because their goal is to track changes in temperature, measurements are converted from absolute temperature readings to temperature anomalies—the difference between the observed temperature and the long-term average temperature for each location and date.
For the 21-year span that is considered a reasonable surrogate for pre-industrial conditions (1880–1900), the 2019 global land and ocean temperature was 2.07°F (1.15°C) above the average. If the Paris Agreement’s goal of no more than 2 °C (3.6 °F) warming is to be reached, significant progress towards reducing greenhouse gas emissions needs to be made soon. Check out our. This value is 430,000 square miles (10.7 percent) smaller than the 1981–2010 average and also the fifth smallest December extent on record. Changes in global average surface temperature from 1990-2019. The following chart provides a summary of the warming that countries experienced in 2019 relative 1951 to 1980 averages. Places that  warmed by up to 1° Fahrenheit over the past 30 years are red, places that have cooled by up to 1° F are blue, and places where we don't have enough observations to calculate a trend are light gray. Uncertainties arise primarily from the incomplete spatial coverage of historical weather observations, from noise in measurement devices, and from biases introduced due to systematic changes in measurement technologies and methods. Weather balloon radiosonde measurements of atmospheric temperature at various altitudes begin to show an approximation of global coverage in the 1950s. IPCC, 2013: Summary for Policymakers. The months of May through July had record-low sea ice extent during 2019, while January, March and November had near-record low extents. We have updated our Privacy Policy to reflect the use of personalized advertising cookies placed on our website. This value was the second highest departure from average for December in the 1880–2019 record. Of these 20,000 stations and 210,000 monthly averages are available for 2019. This process provides a consistent, reliable method for monitoring changes in Earth's surface temperature over time. Global land surface temperature: The globally averaged land surface temperature for 2019 was 2.56°F (1.42°C) above the 20th century average. Three months (June, July, and September) set a new monthly record for the globe, and no month ranked lower than 4th. The globally averaged temperature over land and ocean surfaces for September 2017 was the fourth highest for the month. Global ocean surface temperature: The December 2019 globally averaged sea surface temperature was 1.39°F (0.77°C) above the 20th century average. NASA Goddard Institute for Space Studies (2020) GISS Surface Temperature Analysis (GISTEMP). PLEASE NOTE: With the May 2019 global report and data release, the National Centers for Environmental Information transitioned to an improved version of NOAA's Global Temperature data set (NOAAGlobalTemp version 5), which includes the updated versions of its global land (GHCNm version 4.0.1) and ocean (ERSST version 5) data sets. This was the 19th smallest December value in the 54-year record. The global annual temperature has increased at an average rate of 0.07°C (0.13°F) per decade since 1880 and over twice that rate (+0.18°C / +0.32°F) since 1981. Record high sea surface temperatures were observed across parts of all oceans, including the North and South Atlantic Ocean, the western Indian Ocean, and areas of northern, central and southwestern Pacific Ocean.

This was also the eighth highest global land and ocean monthly temperature departure from average for any month on record (1,680 months). The 10 warmest years on record have all occurred since 1998, and 9 of the 10 have occurred since 2005. This report is based on such weather observations as had been recorded into global archives as of early January 2020. The year 1998 is the only year from the twentieth century still among the ten warmest years on record. As in other recent years, 2019 also demonstrated very strong warming over the Arctic that significantly exceeds the Earth’s mean rate of warming. The record-warm December took place in 2015 (+1.53°F / +0.85°C). NASA Earth Observatory (2015, January 21) Why So Many Global Temperature Records? Year-to-year rankings are likely to reflect short-term natural variability, but the overall pattern remains consistent with a long-term trend towards global warming.

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