Climate models outperformed by random walks

First, a bit of a primer. Wikipedia describes a random walk is a mathematical formalisation of a trajectory that consists of taking successive random steps. For example, the path traced by a molecule as it travels in a liquid or a gas, the search path of a foraging animal, the price of a fluctuating stock…

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Pielke Sr. on the 30 year random walk in surface temperature record

First some background for our readers that may not be familiar with the term “random walk” See: http://en.wikipedia.org/wiki/Random_walk ============================================================ New Paper “Random Walk Lengths Of About 30 Years In Global Climate” By Bye Et Al 2011 There is a new paper [h/t to Ryan Maue and Anthony Watts] titled Bye, J., K. Fraedrich, E. Kirk, S.…