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TWO decades ago the Australian Bureau of Meteorology replaced most of the manually-read mercury thermometers in its weather stations with electronic probes that could be read automatically – so since at least 1997 most of the temperature data has … [Read more...] about Vindicated: Bureau not following WMO guidelines

THE Bureau has a network of 695 automatic weather stations (AWS) across Australia. In a report released late yesterday it acknowledged issues with the performance of just two of these: Goulburn Airport (Goulburn) and Thredbo Top Station (Thredbo). … [Read more...] about Vindicated: Bureau acknowledges limits set on how cold temperatures can be recorded

Because a change in equipment can potentially create discontinuities in a temperature record, it is Australian Bureau of Meteorology policy to have new equipment recording side-by-side with old equipment for a period of at least 2 years. In this … [Read more...] about Are Recordings from Electronic Devices Comparable – or Not?

Australia is a large continent in the Southern Hemisphere. The temperatures measured and recorded by the Australian Bureau of Meteorology contribute to the calculation of global averages. These values, of course, suggest catastrophic human-caused … [Read more...] about Two Decades of Temperature Data from Australia – Not Fit for Purpose

AFTER deconstructing 2,000-year old proxy-temperature series back to their most basic components, and then rebuilding them using the latest big data techniques, John Abbot and I show what global temperatures might have done in the absence of an … [Read more...] about Most of the Recent Warming Could be Natural

THE Minister for Environment and Energy, Josh Frydenberg, needs to immediately instigate the following four-step process to restore confidence in the recording and handling of historical temperature data. Step 1 - Instruct the Bureau to … [Read more...] about Four-Steps Needed to Restore Confidence in Bureau’s Handling of Temperature Data