Eugene F Burger, NOAA Seattle, Seattle, WA, United States, Kevin O'Brien, NOAA/PMEL UW Joint Institute for the Study of the Atmosphere and Ocean, Seattle, WA, United States, Linus Kamb, UW/Joint Institute for the Study of the Atmosphere and Ocean PMEL, Seattle, WA, United States, Karl Matthew Smith, JISAO, Univ. of Washington, Seattle, WA, United States, Roland Schweitzer, Self Employed, Washington, DC, United States, Benjamin Pfeil, Bjerknes Climate Data Centre, University of Bergen, Bergen, Norway and Steve Jones, University of Exeter, Exeter, United Kingdom