Shifting patterns of mild weather in response to projected radiative forcing

Karin van der Wiel (), Sarah B. Kapnick and Gabriel A. Vecchi
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Karin van der Wiel: Princeton University
Sarah B. Kapnick: National Ocean and Atmospheric Administration
Gabriel A. Vecchi: National Ocean and Atmospheric Administration

Climatic Change, 2017, vol. 140, issue 3, No 23, 649-658

Abstract: Abstract Climate change has been shown to impact the mean climate state and climate extremes. Though climate extremes have the potential to disrupt society, extreme conditions are rare by definition. In contrast, mild weather occurs frequently and many human activities are built around it. We provide a global analysis of mild weather based on simple criteria and explore changes in response to radiative forcing. We find a slight global mean decrease in the annual number of mild days projected both in the near future (−4 days per year, 2016–2035) and at the end of this century (−10 days per year, 2081–2100). Projected seasonal and regional redistributions of mild days are substantially greater. These changes are larger than the interannual variability of mild weather caused by El Niño–Southern Oscillation. Finally, we show an observed global decrease in the recent past, and that observed regional changes in mild weather resemble projections.

Keywords: Projected Change; Climate Extreme; CMIP5 Model; Dewpoint Temperature; Reanalysis Product (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s10584-016-1885-9

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