Surface air temperature anomalies for August 2021 compared to the August mean for the period 1991–2020. Data source: ERA5. Source: Copernicus Climate Change Service / ECMWF.
Copernicus Climate Change Service (C3S), conducted by the European Center for Medium-Range Weather Forecasts on behalf of the European Union, and publishes monthly climate bulletins on changes in Earth’s surface temperatureAnd sea ice distribution And Hydrological variables. All reported results are based on computer-generated analyzes of billions of measurements from satellites, ships, aircraft and weather stations around the world.
Summer (June – July – August) Surface temperature 2021
- The June-August average temperature for Europe 2021 was close to 1°C above the 1991-2020 average, making it the hottest summer in C3S data, although the previous hottest summers in 2010 and 2018 were Only about 0.1°C cooler. , which is a small margin.
Surface air temperature for August 2021:
- Globally, August 2021 along with August 2017 was the third warmest month in August with the temperature rising by just over 0.3°C above average over the period 1991-2020.
- In Europe, August 2021 was close to the average of the years 1991-2020 but with different phenomena in different places:
- Mediterranean temperature record,
- Warmer than usual in Eastern Europe,
- Generally below average temperatures in Northern Europe.
The map and data values presented are from the ECMWF Copernicus Climate Change Services ERA5 dataset. Area averages for temperatures from Europe are only for countries with the following latitude/longitude limits: 25W-40E, 34N-72N.
C3S followed the recommendation of the World Meteorological Organization (WMO) to use the past 30 years to calculate climate averages and changed to the 1991-2020 reference period for C3S Climate Bulletins covering January 2021 and beyond. Figures and graphics for both the new and previous periods (1981-2010) are provided for transparency.
More information about August’s climate variables, climate updates from previous months as well as high-resolution graphics can be downloaded here:
More information about the C3S dataset and how to collect it can be found here:
More information about changing the reference period can be found here:
Answers to frequently asked questions about temperature monitoring can be found here:
About ECMWF and Copernicus
Copernicus is part of the European Union’s Space Programme, funded by the European Union, the flagship Earth observation programme. The company operates through six thematic services: Atmosphere, Marine, Land, Climate Change, Security and Emergencies. It provides freely available operational data and services that provide users with reliable and up-to-date information about our planet and its environment. The program is coordinated and managed by the European Commission and implemented in partnership with Member States, the European Space Agency (ESA), the European Organization for the Exploitation of Meteorological Satellites (EUMTSAT), the European Center for Medium Distance Forecasting (ECMWF), European Union agencies, Mercator Océan and more.
ECMWF operates two services of the European Union’s Copernicus Earth Observation Program: the Copernicus Atmospheric Monitoring Service (CAMS) and the Copernicus Climate Change Service (C3S). They also contribute to the Copernican Emergency Management Service (CEMS), which is implemented by the European Union Joint Research Council (JRC). The European Center for Medium-Range Weather Forecasts (ECMWF) is an independent intergovernmental organization supported by 34 countries. It is a 24/7 operational research and service institute that produces and publishes digital weather forecasts to its member states. These data are fully available to the national meteorological services of the member states. The supercomputer facility (and associated data archives) at the ECMWF is one of the largest of its kind in Europe and member states can use 25% of its capacity for their own purposes.
ECMWF is increasing the number of places in which it does business. In addition to the UK headquarters and the computing center in Italy, new offices focusing on activities implemented in partnership with the European Union, such as Copernicus, will be located in Bonn, Germany starting in the summer of 2021.
Copernicus Atmosphere Watch Service (B): http://atmosphere.copernicus.eu/
ECMWF: s webb: https://www.ecmwf.int/
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