1. Atmospheric Remote Sensing, Research and Development DepartmentSwedish Meteorological and Hydrological Institute (SMHI) Norrköping Sweden
2. Department of MeteorologyStockholm University (MISU) Stockholm Sweden
3. Bolin Centre for Climate ResearchStockholm University Stockholm Sweden
4. Department of Atmospheric and Oceanic SciencesUniversity of Wisconsin‐Madison Madison Wisconsin USA