Category Archives: IPCC

Global Temperatures for 2023

December saw a rise in the global average temperature anomaly to 1.27C resulting in a final annual value of 1.13C for the year 2023. This represents an increase of just under 0.3C  since 2022, the warmest year so far (as … Continue reading

Posted in AGW, Climate Change, Hadley, IPCC, NASA, NOAA | 4 Comments

30 years of IPCC assessment reports – How well have they done?

Over the last 30 years there have been 5 IPCC assessment reports on climate change.  I decided to compare each  warming predictions made at the time of publication to the consequently measured  temperatures. The objective is twofold. Firstly how well … Continue reading

Posted in AGW, Climate Change, climate science, CRU, Hadley, IPCC | Tagged , | 25 Comments

Whatever happened to the Global Warming Hiatus ?

The last IPCC assessment in 2013 showed a clear pause in global warming lasting 16 years from  1998 to 2012 – the notorious hiatus. As a direct consequence of this  AR5 estimates of climate sensitivity were reduced and CMIP5 models … Continue reading

Posted in AGW, climate science, IPCC, UK Met Office | 92 Comments