1. IPCC Climate Change 2013: The Physical Science Basis (eds Stocker, T. F. et al.) (Cambridge Univ. Press, 2013).
2. Met Office The Recent Storms and Floods in the UK (Met Office, 2014);
http://www.metoffice.gov.uk/media/pdf/1/2/Recent_Storms_Briefing_Final_SLR_20140211.pdf
3. Bühler, T., Raible, C. C. & Stocker, T. F. The relationship of winter season North Atlantic blocking frequencies to extreme cold or dry spells in the ERA-40. Tellus A 63, 212–222 (2011).
4. Screen, J. A. & Simmonds, I. Amplified mid-latitude planetary waves favour particular regional weather extremes. Nature Clim. Change 4, 704–709 (2014).
5. Turner, A. G. & Annamalai, H. Climate change and the South Asian summer monsoon. Nature Clim. Change 2, 587–595 (2012).