The IPCC's new certainty is 95% What? Not 97%??

Just 2% short of the magic 97% number, I’m sure the SkS kidz will be devastated. From Reuters: Drafts seen by Reuters of the study by the U.N. panel of experts, due to be published next month, say it is at least 95 percent likely that human activities – chiefly the burning of fossil fuels…

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NOAA's claim on El Reno tornado may not hold up

Tornado Widths– NOAA Makes Changes In Procedure By Paul Homewood NOAA have claimed that the El Reno tornado, in Oklahoma in May, was the widest tornado on record. As I pointed out at the time, there was evidence to suggest that the width of earlier tornadoes had been underestimated. One tornado, in particular, Hale County,…

The WUWT Hot Sheet for August 16th, 2013

Who needs a constitution or congress when you alone know what’s good for the American people? New EPA boss promises dictatorial action on global warming While speaking at the University of Colorado in Boulder, Gina McCarthy, the new head of the EPA, said Wednesday the administration is finished waiting on Congress and is set to…

Oh Mann! Paper demonstrates that tree-ring proxy temperature data is 'seriously compromised'

Michael Mann won’t be happy about this. A new paper now in open review in the journal Climate of the Past suggests that “modern sample bias “has “seriously compromised” tree-ring temperature reconstructions, producing an “artificial positive signal [e.g. ‘hockey stick’] in the final chronology.” Basically, older trees grow slower, and that mimics the temperature signal…