Aerosol radiative impact during the summer 2019 heatwave produced partly by an inter-continental Saharan dust outbreak-Part 1 : Short-wave dust direct radiative effect

Acknowledgements. The authors thank the images provided from the NMMB/BSC-Dust model, operated by the Barcelona Supercomputing Centre (BSC) (https: //ess.bsc.es/bsc-dust-daily-forecast; last access: 30 January 2020). The authors also gratefully acknowledge the NOAA Air Resources Laboratory (ARL) for the provision of the pictures from the HYSPLIT transport and dispersion model and/or READY website (http://www.ready.noaa.gov; last access: 28 April 2020) used in this work. The MPLNET project is funded by the NASA Radiation Sciences Program and Earth Observing System. The MPLNET staff at NASA GSFC is warmly acknowledged for the continuous help in keeping the MPL systems and the data analysis up to date. We particularly thank Judd Welton for providing the MPL unit in place at the Barcelona site. Financial support. This research was funded by the Spanish Ministry of Science, Innovation and Universities (CGL2017-90884- REDT and PRX18/00137 “Salvador de Madariaga” programme), the Spanish Ministry of Science and Innovation (PID2019- 104205GB-C21 and PID2019-103886RB-I00), the H2020 programme from the European Union (ACTRIS, GA no. 654109, 778349, and 871115), and the Unity of Excellence “María de Maeztu“ (MDM-2016-0600) financed by the Spanish State Re- search Agency (AEI). MPZ has been partially funded by the AEI (Unity of Excellence “María de Maeztu” - Centro de Astrobiología (CSIC-INTA), MDM-2017-0737). MALC is supported by the INTA predoctoral contract programme.Peer reviewedPublisher PD