correlation local temps global 2 month lag

Weather Two Months From Now

Guest Post by Willis Eschenbach A while back, folks noticed that a couple of months after the El Nino kicked in across the Pacific, the earth would warm up a bit. Since then, people have engaged in what they describe as “removing the El Nino signal” from the global temperature record. A while back I…

AMO, NAO, and Correlation

Guest Post by Willis Eschenbach There’s a new paper over at IOP called “Forcing of the wintertime atmospheric circulation by the multidecadal fluctuations of the North Atlantic ocean”, by Y Peings and G Magnusdottir, hereinafter Peings2014. I was particularly interested in a couple of things they discuss in their abstract, which says (emphasis mine): Abstract The…

Why El Niño and not the AMO?

Guest Post by Willis Eschenbach On another thread, a poster got me thinking about the common practice of using the El Nino 3.4 Index to remove some of the variability from the historical global average surface temperature record. The theory, as I have heard it propounded, is that the temperature of the Earth is “signal”,…

Mann and coining the AMO and claims of credit

Junkscience.com writes: Did Michael Mann falsely claim to coin a famous climate term actually coined by someone else? In Mann’s new book “The Hockey Stick and Climate Wars”, Mann writes: The multidecadal oscillation I’d helped discover would nonethless become a cause celebre among climate change contrarians. It would even get a name: the “Atlantic Multidecadal…