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Mora et al. reply


Replying to E. Hawkins et al. Nature 511, 10.1038/nature13523 (2014)

In the accompanying Comment, Hawkins et al.1 suggest that our index2 of the projected timing of climate departure from recent variability is biased to occur too early and is given with overestimated confidence. We contest their assertions and maintain that our findings are conservative and remain unaltered in light of their analysis.

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  1. Hawkins, E. et al. Uncertainties in the timing of unprecedented climates. Nature 511, (2014)

    Article  ADS  CAS  Google Scholar 

  2. Mora, C. et al. The projected timing of climate departure from recent variability. Nature 502, 183–187 (2013)

    Article  ADS  CAS  Google Scholar 

  3. Deser, C., Knutti, R., Solomon, S. & Phillips, A. S. Communication of the role of natural variability in future North American climate. Nature Clim. Change 2, 775–779 (2012)

    Article  ADS  Google Scholar 

  4. Tebaldi, C. & Knutti, R. The use of the multi-model ensemble in probabilistic climate projections. Phil. Trans. R. Soc. A 365, 2053–2075 (2007)

    Article  ADS  MathSciNet  Google Scholar 

  5. Altman, D. G. & Bland, J. M. Standard deviations and standard errors. Br. Med. J. 331, 903 (2005)

    Article  Google Scholar 

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Correspondence to Camilo Mora.

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Mora, C., Frazier, A., Longman, R. et al. Mora et al. reply. Nature 511, E5–E6 (2014).

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