Examining the origin of European weather systems during changes in the NAO, ENSO, and the Solar cycle

A repository relating to a study of the how the origin of European synoptic types varies with extremes of ENSO, the NAO, stratospheric aerosols, and the Solar cycle. They study is published in the <b>Royal Society Open Science</b> journal, DOI: 10.1098/rsos.150320. http://rsos.royalsocietypublishing.org/content/3/2/150320#sec-13<b>Data Sources </b>Hess Brezowsky Großwetterlagen weather types, a subjective classification of synoptic-scale weather using meteorological sites across Germany, originally from Hess, Paul and Brezowsky, Helmuth, Großwetterlagen Europas 1881-1992. 4., vollständig neu bearbeitete Auflage, Ber. Dt. Wetterd. 113, 1993, 5.Sunspot data from the World Data Centre SILSO (http://sidc.be/silso/home), Royal Observatory of Belgium, Brussels.Stratospheric aerosol data from NASA (http://data.giss.nasa.gov/modelforce/strataer).MEI (ENSO) data from NOAA (http://www.esrl.noaa.gov/psd/enso/mei.ext/), credit Dr Klaus Wolter.NAO data from CRU (http://www.cru.uea.ac.uk/timo/datapages/naoi.htm/).