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. 2016 Feb 17;3(2):150320. doi: 10.1098/rsos.150320

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© 2016 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 11. — Deseasonalized (δ) frequency (days/month) of northerly weather systems, during lagged composites of extreme phases of the NAO, ENSO, SC and peaks in AOD, for several epochs during autumn (SON) months. Values are displayed as simple means with an accumulated uncertainty. Grey shading indicates confidence intervals estimated from a KDE of 10 000 random composites, wherein the central shading indicates values of p>0.05 significance, and the lightest grey shading extends to the p=0.01 confidence level. Highly significant (and opposing) changes in northerly flow are evident centred around peak phases of the NAO.