Clanging of the bells on extreme weather change

Guest essay by Bob Fernley-Jones Our taxpayer funded broadcaster here in Oz, the ABC, has recently aired a scary story in its “science” TV show Catalyst, entitled Climate Extremes. (For the brave, the video and web page plus comments is here). For extra emphasis on TV there were repeated shots of several heat stressed old…

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The Australian Bureau of Meteorology Gets it Wrong

Guest essay by Ed Thurstan Abstract The Australian Bureau of Meteorology (BoM) released a new temperature dataset – the “Australian Climate Observations Reference Network – Surface Air Temperature“ (ACORN-SAT) in early 2012, with data to the end of 2011. It is supposedly a ground-breaking daily homogenised dataset. Ground-breaking it certainly is. The BoM has brought…

A mean study of Australian temperature

Mean and reported “Mean” temperatures and the consequences of the difference Guest essay by Tom Quirk The convention in meteorology is to report mean temperatures as the average of minimum and maximum temperatures. This assumption has been tested using temperatures recorded every 30 minutes through the 24 hour day at various locations in Australia by…

Climate Audit requested of the Australian BoM and CSIRO

On Jo Nova’s site, the cat is set amongst the pigeons: A team of skeptical scientists, citizens, and an Australian Senator have lodged a formal request with the Australian National Audit Office (ANAO) to have the BOM and CSIRO audited. The BOM claim their adjustments are “neutral” yet Ken Stewart showed that the trend in…