Category Archives: IPCC

Whatever happened to the Global Warming Hiatus ?

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

Posted in AGW, climate science, IPCC, UK Met Office | 91 Comments

Zeke’s Wonder Plot

Zeke Hausfather who works for Carbon Brief and Berkeley Earth has produced a plot which shows almost perfect agreement between CMIP5 model projections and global temperature data. This is based on RCP4.5 models and a baseline of 1981-2010. First here … Continue reading

Posted in AGW, Climate Change, IPCC | 27 Comments

A comparison of CMIP5 Climate Models with HadCRUT4.6

Overview: Figure 1. shows a comparison of the latest HadCRUT4.6 temperatures with CMIP5 models for Representative Concentration Pathways (RCPs). The temperature data lies significantly below all RCPs, which themselves only diverge after ~2025. Modern Climate models originate from Global Circulation … Continue reading

Posted in AGW, Climate Change, IPCC | 18 Comments