; and (ii) to facilitate collaboration across Federal and State departments and agencies, academia, and the private sector on matters relating to water resources. (B) Designation The center established under subparagraph (A) shall be known as the National Water Center . (2) Functions The functions of the National Water Center shall include the following: (A) Improving understanding of water resources, stakeholder needs regarding water resources, and identifying science and services gaps relating to water resources. (B) Developing and implementing advanced water resources modeling capabilities. (C) Facilitating the transition of hydrologic research into operations. (D) Delivering analyses, forecasts, and inundation information and guidance for all hydrologic events in the United States, including flash flooding, riverine flooding, and water resources outlooks. (E) In coordination with warning coordination meteorologists, providing decision-support services to inform emergency management and water resources decisions. (b) National instructions (1) In general Not later than one year after the date of the enactment of this Act, the Under Secretary, acting through the Director of the National Weather Service, shall make public an operations and services policy directive for the National Water Center. (2) Contents The directive required by paragraph (1) shall include national instructions to perform the functions of the National Water Center, including the following: (A) Operational staff responsibilities. (B) Guidelines for content, format, and provision of hydrologic and inundation products developed by the National Water Center. (C) Procedures for cooperation and coordination between the National Water Center, the National Weather Service National Centers for Environmental Prediction, National Weather Service River Forecast Centers, and National Weather Service Weather Forecast Offices. (c) Total water prediction The Under Secretary, acting through the Director of the Office of Water Prediction of the National