; (ii) the National Weather Service; and (iii) the Office of Oceanic and Atmospheric Research; (B) individuals in the academic sector, including individuals in the field of social and behavioral sciences; (C) other weather services; (D) media outlets and other entities that distribute the watches and warnings described in paragraph (1)(A)(i); (E) floodplain managers and emergency planners and responders, including State, local, and Tribal emergency management agencies; (F) other government users of the watches and warnings described in paragraph (1)(A)(i), including the Federal Highway Administration; and (G) such other Federal agencies as the Under Secretary determines rely on watches and warnings regarding flash floods for operational decisions. (5) National Academy of Sciences The Under Secretary shall engage with the National Academy of Sciences, as the Under Secretary considers necessary and practicable, including by contracting with the National Research Council to review the scientific and technical soundness of the assessment required by paragraph (1)(A), including the recommendations under paragraph (2)(B). (6) Methodologies In conducting the assessment required by paragraph (1)(A), the Under Secretary shall use such methodologies as the Under Secretary considers are generally accepted by the weather enterprise, including social and behavioral sciences. (b) Improvements to flash flood watches and warnings (1) In general Based on the assessment required by subsection (a)(1)(A), the Under Secretary shall make such improvements to the watches and warnings described in that subsection as the Under Secretary considers necessary— (A) to improve the communication of the risks posed by hazardous flash flood events