Climate-change Computer Models Fail Again — and Again, and Again

By:  William F. Jasper
Climate-change Computer Models Fail Again — and Again, and Again

New studies show what Mother Nature has already proved: Computer models used by climate alarmists to arrive at their scary scenarios are deeply flawed, deficient — and sometimes downright fraudulent.

GIGO, for garbage-in, garbage-out is a basic principle of computing and/or decision-making which holds that the validity or integrity of the input will determine the validity or integrity of the output. Which is why first-year computer students are taught to check and recheck their input data and assumptions. It is not unreasonable, therefor to expect the same of seasoned scientists with multiple letters after their names, utilizing some of the most sophisticated and expensive computers and operating out of prestigious universities and laboratories. Especially when taxpayers are underwriting their work and the studies produced by their computer models are the basis for far-reaching public policies that will dramatically impact those taxpayers, as well as all of society.

However, when it comes to the theory of anthropogenic (human-caused) global warming, or AGW, the GIGO principle appears to be the norm. The so-called mainstream media (MSM) never seem to tire of headlining scary scenarios of climate catastrophe brought on by AGW, based on the latest projections generated by computer modeling of atmospheric temperatures, ocean temperatures, sea levels, glaciers, rain fall, extreme storms, etc. The same media organs, however, rarely report on the many scientific studies that regularly debunk the schlocky — and often outright fraudulent — computer models.

The Hockey Schtick blogspot reported on December 10 that a new paper published in the Journal of Climate finds there has been "little to no improvement" in simulating clouds by state-of-the-art climate models. The authors note the "poor performance of current global climate models in simulating realistic [clouds]," and that the models show "quite large biases ... as well as a remarkable degree of variation" with the differences between models remaining "large."

This is no small matter, as leading climate scientists have for years been pointing out that failure to account for cloud mediation in the complex interplay of climatic factors is a major flaw in climate models. (See here and here.)

As Dr. Roy Spencer points out in his new book, The Great Global Warming Blunder: How Mother Nature Fooled the World's Top Climate Scientists,

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