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…

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…