Sec. 204. Atmospheric rivers forecast improvement program
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The Under Secretary, in collaboration with the United States weather industry and academic partners, shall establish an atmospheric river forecast improvement program (in this section referred to as the program ). The goal of the program shall be to reduce through the development and extension of accurate, effective, and actionable forecasts and warnings the loss of life or property from atmospheric rivers, including by— establishing quantitative atmospheric river forecast skill metrics that include quantifying the benefits of dynamical modeling, data assimilation, and machine learning improvements in the probabilistic forecasts of landfall location, extreme wind and precipitation, and cascading impacts; developing an atmospheric river forecast system within the unified forecast system, and advancing next-generation coupled modeling systems, with the capability of providing seasonal to short-range atmospheric river forecasts that include forecast of snow accumulation and other hydrologic components; advancing scientific understanding of the roles of atmospheric rivers in subseasonal to seasonal precipitation and probabilistic predictions at subseasonal and seasonal scales; developing tools and improved forecast products to predict periods of active or inactive atmospheric river landfalls and inland penetration over the western United States with a focus on addressing stakeholder and public needs related to perceiving, comprehending, and responding to atmospheric river forecast improvements; and enhancing research transition to operations through the Administration’s testbeds, including the evaluation of physical and social science, technology, and other research to develop products and services for implementation and use by relevant stakeholders.
The Under Secretary shall ensure the program periodically examines, tests, and evaluates the value of incorporating innovative observations, such as novel sensor technologies, observation networks, soil moisture monitoring systems, reservoir storage data, observations from crewed or uncrewed systems, and hosted instruments on commercial aircrafts, vessels, and satellites, and data assimilation tools, with respect to the improvement of atmospheric river forecasts, predictions, and warnings.
Not later than 180 days after the date of the enactment of this Act, the Under Secretary shall develop a plan that details the specific research, development, data acquisition, and technology transfer activities, as well as corresponding resources, limitations, and timelines, necessary to achieve the goal of the program under subsection (b). After the development of the plan pursuant to subsection (d), the Under Secretary shall, not less frequently than annually, submit to Congress a proposed budget corresponding with the activities identified in such plan.