Usoskin Et Al. Discover A New Class of Sunspots

Guest Post by Willis Eschenbach There’s a new post up by Usoskin et al. entitled “Evidence for distinct modes of solar activity”. To their credit, they’ve archived their data, it’s available here. Figure 1 shows their reconstructed decadal averages of sunspot numbers for the last three thousand years, from their paper: Figure 1. The results…

Andrew Revkin Loses The Plot, Episode XXXVIII

Guest Post by Willis Eschenbach I went over to Andy Revkin’s site to be entertained by his latest fulminations against “denialists”. Revkin, as you may remember from the Climategate emails, was the main go-to media lapdog for the various unindicted Climategate co-conspirators. His latest post is a bizarre mishmash of allegations, bogus claims, and name-calling.…

Cowtan and Way (2013) Adjustments Exaggerate Climate Model Failings at the Poles and Do Little to Explain the Hiatus

We’ve already discussed Cowtan and Way’s infilling of HADCRUT4 data in the post On Cowtan and Way (2013) “Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends”. The paper is available here. In that earlier post, I presented the following graph and noted: If we compare the HADCRUT4 data to…