chicken-little

New Paper Claims Extreme La Niñas to Become More Frequent under Global Warming

Guest Post by Bob Tisdale The new 2015 paper by Cai et al Increased frequency of extreme La Niña events under greenhouse warming has been getting a lot of alarmist attention recently. Examples: see the CBS News story Climate change expected to bring more La Niñas, and the  BBC News article Study: Global warming ‘doubles risk’…

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Early twentieth-century warming linked to tropical Pacific wind strength

Guest Post by Bob Tisdale From the ENSO-can-contribute-to-global-warming department, we have a new paper from the National Center for Atmospheric Research (NCAR) and the University of Arizona (UA). It’s Thompson et al. (2014) Early twentieth-century warming linked to tropical Pacific wind strength.  The abstract reads: Of the rise in global atmospheric temperature over the past…

backtothefuture_warming1

Back to the future in El Niño forecasting

From the Georgia Institute of Technology: Looking at El Niño’s past to predict its future The El Niño Southern Oscillation is Earth’s main source of year-to-year climate variability, but its response to global warming remains highly uncertain. Scientists see a large amount of variability in the El Niño-Southern Oscillation (ENSO) when looking back at climate…