II 118th CONGRESS 2d Session S. 4975 IN THE SENATE OF THE UNITED STATES August 1, 2024 Ms. Rosen (for herself, Mr. Padilla , and Mr. Heinrich ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To require the Under Secretary of Commerce for Oceans and Atmosphere to carry out pilot projects relating to improved subseasonal to seasonal forecasting in agriculture and water management, and for other purposes.

1. Short title This Act may be cited as the Smarter Weather Forecasting for Water Management, Farming, and Ranching Act of 2024 . 2. Weather and climate information in agriculture and water management Section 1762 of the Food Security Act of 1985 ( 15 U.S.C. 8521 ) is amended— (1) by amending subsection (h) to read as follows: (h) Subseasonal to seasonal forecasting pilot projects (1) Establishment The Under Secretary shall establish not fewer than two pilot projects, in accordance with paragraph (2), within the U.S. Weather Research Program of the Oceanic and Atmospheric Research office of the National Oceanic and Atmospheric Administration to support improved subseasonal to seasonal precipitation forecasts for the following: (A) Water management in the western United States. (B) Agriculture in the United States. (2) Objectives In carrying out this subsection, the Under Secretary shall ensure the following: (A) A pilot project under subparagraph (A) of paragraph (1) addresses key science challenges to improving forecasts and developing related products for water management in the western United States, including the following: (i) Improving operational model resolution, both horizontal and vertical, to resolve issues associated with mountainous terrain, such as intensity of precipitation and relative fraction of rain versus snow precipitation. (ii) Improving fidelity in the operational modeling of the atmospheric boundary layer in mountainous regions. (iii) Resolving challenges in predicting winter atmospheric circulation and storm tracks, including periods of blocked versus unblocked flow over the eastern North Pacific Ocean and western United States. (iv) Improving the forecast of atmospheric rivers. (v) Improving— (I) the quality and temporal and spatial resolution of observations of air-sea interactions; (II) operational modeling of air-sea interactions; and (III) operational modeling of the influence of oceans on subseasonal and seasonal forecasting. (B) A pilot project under subparagraph (B) of paragraph (1) addresses key science challenges to improving forecasts and developing related products for agriculture in the United States, including the following: (i) Improving the quality and temporal and spatial resolution of observations and accurate operational modeling of the land surface and hydrologic cycle, including soil moisture and flash drought processes. (ii) Improving fidelity in the operational modeling of warm season precipitation processes. (iii) Understanding and predicting large-scale upper-level dynamical flow anomalies that occur in spring and summer. (3) Activities A pilot project under this subsection shall include activities that— (A) best implement recommendations contained in the 2020 report of the National Weather Service, entitled Subseasonal and Seasonal Forecasting Innovation: Plans for the Twenty-First Century ; (B) achieve measurable objectives for operational forecast improvement; (C) engage with, and leverage the resources of, institutions of higher education (as such term is defined in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 )), or a consortia thereof, and entities within the National Oceanic and Atmospheric Administration in existence as of the date of the enactment of this subsection, including Regional Climate Centers and the National Centers for Environmental Information; and (D) are carried out in coordination with the Assistant Administrator for the Office of Oceanic and Atmospheric Research and the Director of the National Weather Service. (4) Sunset The authority under this subsection shall terminate on the date that is five years after the date of the enactment of this subsection. ; and (2) by amending subsection (j) to read as follows: (j) Authorization of appropriations There are authorized to be appropriated $45,000,000 for each of fiscal years 2024 through 2028 to carry out the activities under this section. .