[1] Environm Canada, Meteorol Res Div, Dorval, PQ H9P 1J3, Canada
[2] Univ Corp Atmospher Res, Natl Ctr Atmospher Res, Boulder, CO USA
[3] Univ Bergen, Inst Geophys, Bergen, Norway
[4] Univ London Imperial Coll Sci Technol & Med, Grantham Inst Climate Change, London, England
[5] Univ Reading, Reading, Berks, England
[6] NOAA, Earth Syst Res Lab, Boulder, CO USA
[7] Ctr Ocean Land Atmosphere Studies, Calverton, MD USA
[8] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Miami, FL 33149 USA
[9] Met Off, Exeter, Devon, England
[10] Environm Canada, Adaptat & Impacts Res Div, Waterloo, ON, Canada
[11] Environm Canada, Meteorol Res Div, Toronto, ON, Canada
[12] Hlth & Climate Fdn, Washington, DC USA
[13] NOAA, Natl Weather Serv, Off Hydrol Dev, Silver Spring, MD 20910 USA
[14] George Mason Univ, Fairfax, MD USA