The CAMS volcanic forecasting system utilizing near-real time data assimilation of S5P/TROPOMI SO2 retrievals. - Inness, Antje; Ades, Melanie; Balis, Dimitris; Efremenko, Dmitry; Flemming, Johannes; Hedelt, Pascal; Koukouli, Maria-Elissavet; Loyola, Diego; Ribas, Roberto (Geoscientific Model Development Discussions, 2021)