Introducing the global warming speedometerPosted: May 26, 2016
A single devastating graph shows official climate predictions were wild
By Christopher Monckton of Brenchley
The new global warming speedometer shows in a single telling graph just how badly the model-based predictions made by the Intergovernmental Panel on Climate Change have over-predicted global warming.
The speedometer for the 15 years 4 months January 2001 to April 2016 shows the [1.1, 4.2] C°/century-equivalent interval of global warming rates (red/orange) that IPCC’s 1990, 1995 and 2001 reports predicted should be occurring by now, compared with real-world, observed warming (green) equivalent to less than 0.5 C°/century over the period.
RSS and UAH monthly near-global satellite lower-troposphere temperature anomaly values for each month from January 2001 to April 2016 were assumed to be broadly accurate and were averaged. The least-squares linear-regression trend on their mean was determined and found equivalent to 0.47 C°/century.
Predictions in IPCC’s Assessment Reports
IPCC (2007, 2013) are…
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