Models of misinformation -- climate reports melt under scrutiny
...German climatologist Hans von Storch has found that IPCC climate models project warming trends as low as actual recorded observations only 2% of the time.

The monthly journal Nature Climate Change reports that over 20 years (1993-2012), the warming trend computed from 117 climate model simulations (0.3°C per decade) is more than twice the observed trend (0.14°C/decade). Over the most recent 15 years (1998-2012), the computer-simulated trend (0.21°C/decade) is more than four times the observed trend (0.05°C/decade)—a trend that is pretty close to a flat line....

Climate Models vs. Observations: Picture Worth a Thousand Words
...Compared to the actual temperature rise since 1980, the average of 32 top climate models (the so-called CIMP5) overestimates it by 71-159%. A new Nature Climate Change study shows that the prevailing climate models produced estimates that overshot the temperature rise of the last 15 years by more than 300%....