1 Spatial coherence and seasonal predictability of monsoon onset over Indonesia 1 2 3 Vincent Moron*,° Andrew W. Robertson°, Rizaldi Boer+ 4 5 6 * CEREGE, UMR 6635 CNRS, Université d’Aix-Marseille, & Institut Universitaire de France, France 7 ° International Research Institute for Climate and Society (IRI), Columbia University, Palisades, New York, USA 8 + Laboratory of Climatology, Bogor Agri...