Saturday, December 5, 2020
Home Left Column Climatologist Dr. Roy Spencer debunks alleged 'warmest year' claims

Climatologist Dr. Roy Spencer debunks alleged ‘warmest year’ claims

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In contrast, our satellite analysis has 2015 only third warmest which has also been widely reported for weeks now. I understand that the RSS satellite analysis has it 4th warmest.

– Land measurements …that thermometers over land appear to have serious spurious warming issues from urbanization effects. Anthony Watts is to be credited for spearheading the effort to demonstrate this over the U.S. where recent warming has been exaggerated by about 60%, and I suspect the problem in other regions of the global will be at least as bad. Apparently, the NOAA homogenization procedure forces good data to match bad data. That the raw data has serious spurious warming effects is easy to demonstrate…and has been for the last 50 years in the peer-reviewed literature….why is it not yet explicitly estimated and removed?

– Ocean Measurements …that even some NOAA scientists don’t like the new Karlized ocean surface temperature dataset that made the global warming pause disappear; many feel it also forces good data to agree with bad data. (I see a common theme here.)

– El Nino …that a goodly portion of the record warmth in 2015 was naturally induced, just as it was in previous record warm years.

– Thermometers Still Disagree with Models …that even if 2015 is the warmest on record, and NOAA has exactly the right answer, it is still well below the average forecast of the IPCC’s climate models, and something very close to that average forms the basis for global warming policy. In other words, even if every successive year is a new record, it matters quite a lot just how much warming we are talking about.

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