This meeting will be devoted to report about the first year of activities of the FP7 DRIHM (Distributed Research Infrastructure for Hydro-Meteorology, www.drihm.eu <http://www.drihm.eu>) project, as well to the starting phase of the DRIHM2US project. The meeting will be by invitation and it will involve the projects partners, the Advisory Board Members and delegates from other projects willing to cooperate with DRIHM and DRIHM2US.