Australian climate stable since 2012Dataset shows no warming for 12 years and four monthsComparing the first and second halves of the time period from August 2012 to November 2024, Australia's climate anomalies have plateaued (or cooled by 0.014C), according to the Australian Climate Observation Reference Network (ACORN 2.5) for land stations (Bureau of Meteorology data source). The University of Alabama Huntsville satellite dataset for Australian lower troposphere anomalies (UAH 6.1) shows mean temperature warming of 0.199C when comparing the first and second halves of the period from August 2012 to November 2024 (with significant warming over Australia since 2021 as a result of UAH methodology being changed in November 2024). From January 2013 to November 2024, ACORN shows mean temperature cooling of 0.035C and UAH shows Australian lower troposphere warming of 0.197C when averaging the first and second halves of this time period. The ACORN dataset shows significant land surface warming since June 2023 and the UAH dataset shows significant warming of the lower troposphere since July 2023 - both potentially affected by the emergence of an El Nino in the Pacific Ocean, strong solar activity and abnormally high atmospheric moisture content due to the Hunga Tonga underwater volcanic eruption in December 2021. The chart below is updated each month to track anomaly trends produced by both datasets.
The chart below tracks anomaly trends within ACORN 2.5 maximum temperatures.
The chart below tracks anomaly trends within ACORN 2.5 minimum temperatures.
The chart below tracks anomaly trends within the US National Oceanic and Atmospheric Administration mean temperatures (1910-2000 mean baseline) for the Oceania region (comprising Australia, Papua New Guinea, New Zealand, Fiji, Solomon Islands, Federated States Of Micronesia, Vanuatu, Samoa, Kiribati, Tonga, Marshall Islands, Palau, Tuvalu and Nauru).
These trends are worth monitoring as most Australian public policy hostile to fossil fuels and targetted at renewable energy is now based on the inaccurate premise that Australia's climate is warming rapidly. Note : ACORN and UAH data above are updated usually on the third or fourth day of each month, while NOAA anomalies for Oceania are usually updated in the middle of each month.
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