A map of the above-average temperatures, caused by the global heat waves, in June 2010.
Type
Multiple intense anticyclones, Heat waves
Formed
April 2010
Dissipated
October 2010
Highest pressure
1,040 millibars (31 inHg)
Highest temperature
53.5 °C (128.3 °F)
Fatalities
55,000 in Russia alone, ~2,600 outside Russia
Damage
~$500 billion (2011 USD)
Areas affected
Africa, Asia, Europe, and North America
The 2010 Northern Hemisphere summer heat waves included severe heat waves that impacted most of the United States, Kazakhstan, Mongolia, China, Hong Kong, North Africa and the European continent as a whole, along with parts of Canada, Russia, Indochina, South Korea and Japan during July 29 2010. The first phase of the global heatwaves was caused by a moderate El Niño event, which lasted from June 2009 to May 2010. The first phase lasted only from April 2010 to June 2010, and caused only moderate above average temperatures in the areas affected. But it also set new record high temperatures for most of the area affected, in the Northern Hemisphere. The second phase (the main, and most devastating phase) was caused by a very strong La Niña event, which lasted from June 2010 to June 2011. According to meteorologists, the 2010–11 La Niña event was one of the strongest La Niña events ever observed. That same La Niña event also had devastating effects in the Eastern states of Australia.[1] The second phase lasted from June 2010 to October 2010, caused severe heat waves, and multiple record-breaking temperatures. The heatwaves began in April 2010, when strong anticyclones began to develop, over most of the affected regions, in the Northern Hemisphere. The heatwaves ended in October 2010, when the powerful anticyclones over most of the affected areas dissipated.
The heat wave during the summer of 2010 was at its worst in June, over the Eastern United States, Middle East, Eastern Europe and European Russia, and over Northeastern China and southeastern Russia. June 2010 marked the fourth consecutive warmest month on record globally, at 0.66 °C (1.22 °F) above average, while the period April–June was the warmest ever recorded for land areas in the Northern Hemisphere, at 1.25 °C (2.25 °F) above average. The previous record for the global average temperature in June was set in 2005 at 0.66 °C (1.19 °F), and the previous warm record for April–June over Northern Hemisphere land areas was 1.16 °C (2.09 °F), set in 2007.[2] The strongest of the anticyclones, the one situated over Siberia, registered a maximum high pressure of 1040 millibars. The weather caused forest fires in China, where three in a team of 300 died fighting a fire that broke out in the Binchuan County of Dali, as Yunnan suffered the worst drought in 60 years by February 17.[3] A major drought was reported across the Sahel as early as January.[4] In August, a section of the Petermann Glacier tongue connecting northern Greenland, the Nares Strait and the Arctic Ocean broke off, the biggest ice shelf in the Arctic to detach in 48 years. By the time the heatwaves had ended in late October 2010, about $500 billion (2011 USD) of damage was done, in the Northern Hemisphere alone[citation needed].
More than 55,000 people died during the heat wave in Russia.[5] The World Meteorological Organization stated that the heat waves, droughts and flooding events fit with predictions based on global warming for the 21st century, include those based on the Intergovernmental Panel on Climate Change's 2007 4th Assessment Report.[6] Some climatologists argue that these weather events would not have happened if the atmospheric carbon dioxide was at pre-industrial levels.[7][8][9][10]
^"The 2010–11 La Niña: Australia soaked by one of the strongest events on record".
^"State of the Climate: Global Analysis, June 2010". National Oceanic and Atmospheric Administration. National Climatic Data Center. Retrieved 19 July 2010.
^"Three dead in southwest China forest fire - People's Daily Online".
^"Humanitarian - Thomson Reuters Foundation News". 21 June 2023.
^UN Office for Disaster Risk Reduction; Centre for Research on the Epidemiology of Disasters. "Human cost of disasters - An overview of the last 20 years 2000-2019" (PDF).
^Hanley, Charles J. (August 12, 2010). "Long, hot summer of fire, floods fits predictions". The Associated Press. Archived from the original on 17 August 2010. Retrieved 12 August 2010.
^Summer temperatures
^"Perception of Climate Change: Examining Extreme Temperatures". JournalistsResource.org, retrieved August 21, 2012.
^Hansen, James; Sato, Makiko; Ruedy, Reto (2012). "Perception of climate change". Proceedings of the National Academy of Sciences of the United States of America. 109 (37): E2415–E2423. Bibcode:2012PNAS..109E2415H. doi:10.1073/pnas.1205276109. PMC 3443154. PMID 22869707.
^Zeng, Zubin (25 August 2021). "Is climate change to blame for extreme weather events? Attribution science says yes, for some – here's how it works". The Conversation. Retrieved 3 September 2021.
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