[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[S. 1378 Introduced in Senate (IS)]

<DOC>






119th CONGRESS
  1st Session
                                S. 1378

      To enhance the use by the National Oceanic and Atmospheric 
Administration of artificial intelligence for weather forecasting, and 
                          for other purposes.


_______________________________________________________________________


                   IN THE SENATE OF THE UNITED STATES

                             April 9, 2025

    Mr. Schatz (for himself, Mr. Sheehy, Mr. Lujan, and Mr. Welch) 
introduced the following bill; which was read twice and referred to the 
           Committee on Commerce, Science, and Transportation

_______________________________________________________________________

                                 A BILL


 
      To enhance the use by the National Oceanic and Atmospheric 
Administration of artificial intelligence for weather forecasting, and 
                          for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Transformational Artificial 
intelligence to Modernize the Economy against Extreme Weather and 
Wildfires Act'' or the ``TAME Extreme Weather and Wildfires Act''.

SEC. 2. ARTIFICIAL INTELLIGENCE FOR WEATHER FORECASTING.

    (a) Definitions.--In this section:
            (1) Artificial intelligence.--The term ``artificial 
        intelligence''--
                    (A) has the meaning given that term in section 5002 
                of the National Artificial Intelligence Initiative Act 
                of 2020 (15 U.S.C. 9401); and
                    (B) includes machine learning, neural networks, and 
                natural language processing.
            (2) Artificial intelligence weather model.--The term 
        ``artificial intelligence weather model'' means a weather model 
        based primarily on artificial intelligence technology to 
        project future Earth system conditions based on machine 
        learning using weather forecasting training datasets.
            (3) Curate.--The term ``curate'', with respect to a 
        dataset, means--
                    (A) to collect and maintain the dataset--
                            (i) to ensure and document its quality; and
                            (ii) to provide metadata on its provenance; 
                        and
                    (B) to update the dataset periodically, as 
                appropriate and practicable.
            (4) Numerical weather model.--The term ``numerical weather 
        model'' means a weather model based primarily on coupled Earth 
        System processes that uses numerical computation to forecast 
        future Earth system conditions.
            (5) Observational data.--The term ``observational data'' 
        means data and metadata from actual observations of 
        environmental conditions, including remote sensing and in situ 
        platforms.
            (6) Seasonal, subseasonal, under secretary, weather 
        enterprise.--the terms ``seasonal'', ``subseasonal'', ``Under 
        Secretary'', and ``weather enterprise'' have the meanings given 
        those terms in section 2 of the Weather Research and 
        Forecasting Innovation Act of 2017 (15 U.S.C. 8501).
            (7) Synthetic data.--The term ``synthetic data'' means data 
        produced from a model or statistical method in order to fill 
        gaps in observational data.
            (8) Weather data.--The term ``weather data'' means 
        information used to track and predict weather conditions and 
        patterns, including forecasts, observations, and derivative 
        products from such information.
    (b) Purpose.--The purpose of this section is--
            (1) to improve accuracy and timeliness of weather, water, 
        and space weather forecasts and effective dissemination of 
        critical information;
            (2) to strengthen analytic capacity to inform resource 
        deployments in response to and to mitigate harm from weather, 
        water, wildfires, and space weather hazards through the 
        mandated exploration and use of artificial intelligence by 
        Federal agencies;
            (3) to strengthen public-private partnerships to accelerate 
        adoption and outcomes of the use of artificial intelligence in 
        response to and to mitigate such harm; and
            (4) to strengthen public-private partnerships in highly 
        technical, high-risk, and high-reward fields related to 
        weather, water, wildfires, and space weather forecasts.
    (c) Earth System Forecasting and Information Delivery.--
            (1) Training datasets.--Not later than 4 years after the 
        date of the enactment of this Act, the Under Secretary, in 
        consultation with the Secretary of Energy, the Administrator of 
        the National Aeronautics and Space Administration, the Director 
        of the National Science Foundation, the Director of the 
        National Center for Atmospheric Research, the Interagency 
        Council on Advancing Meteorological Services, other appropriate 
        Federal advisory committees as determined by the Under 
        Secretary, and such other technical experts as the Under 
        Secretary considers appropriate, shall develop and curate 
        comprehensive weather forecasting training datasets with 
        relevant Earth system data, quality information, and metadata 
        necessary for weather forecasting.
            (2) Use of existing datasets.--In order to speed the 
        development of the weather forecasting training datasets 
        required under paragraph (1), the Under Secretary shall assess, 
        and to the greatest extent practicable build on, existing Earth 
        system reanalysis datasets of the Federal Government.
            (3) Artificial intelligence weather model.--
                    (A) Global model.--In carrying out this subsection, 
                the Under Secretary, in consultation with appropriate 
                Federal advisory committees as determined by the Under 
                Secretary, may develop and test a global weather model 
                based on artificial intelligence technologies utilizing 
                data of the National Oceanic and Atmospheric 
                Administration to the extent possible.
                    (B) Regional and local models.--In addition to a 
                global weather model under subparagraph (A), the Under 
                Secretary may experiment with regional and local 
                weather models based on artificial intelligence 
                technologies.
            (4) Use of artificial intelligence to disseminate 
        information.--In coordination with an artificial intelligence 
        weather model or models developed under paragraph (3), the 
        Under Secretary may explore the use of artificial intelligence 
        to enhance the dissemination of information with respect to 
        weather and wildfire risks and evaluate the effectiveness of 
        communication for improved public understanding and 
        preparedness.
            (5) Continued support for observations, basic research, and 
        numerical weather models.--Notwithstanding the requirements of 
        this subsection, the Under Secretary shall continue to support 
        and advance the activities of the National Oceanic and 
        Atmospheric Administration--
                    (A) to collect and acquire traditional and novel 
                observational data relevant for artificial intelligence 
                and numerical weather, water, and space weather 
                forecasting;
                    (B) to advance research on the Earth system and 
                numerical weather model forecasting;
                    (C) to develop and advance numerical Earth system 
                modeling for predictions;
                    (D) to develop weather model data post-processing 
                techniques; and
                    (E) to improve data assimilation techniques.
            (6) Observing system coverage.--In carrying out this 
        subsection, the Under Secretary may evaluate the use of cost 
        functions in data-driven machine learning model training to 
        balance inequities in observing system coverage and data poor 
        areas.
            (7) Uncertainty quantification research.--In carrying out 
        this subsection, the Under Secretary may develop uncertainty 
        quantification research for the purpose of accurate 
        environmental risk and hazard communications of probabilistic 
        predictions and forecasts.
            (8) Report.--Not later than 2 years after the date of the 
        enactment of this Act, and not less frequently than every 2 
        years thereafter through 2035, the Under Secretary shall submit 
        to the Committee on Commerce, Science, and Transportation of 
        the Senate and the Committee on Science, Space, and Technology 
        of the House of Representatives a report on the activities 
        conducted under this subsection.
    (d) Advanced Artificial Intelligence Applications for Weather 
Forecasts and Information Delivery.--The Under Secretary shall explore 
advanced applications of artificial intelligence to improve weather 
forecasts and information delivery, such as by--
            (1) improving data assimilation;
            (2) accounting for coupled Earth system processes;
            (3) improving readiness and preparedness to combat 
        wildfires, mitigation of the risk from wildfires, and improving 
        safety for firefighters and communities at risk from wildfires;
            (4) using artificial intelligence weather models to 
        generate ensemble forecasts to more accurately assess flow-
        dependent forecast uncertainties; and
            (5) improving impact-based decision support to diverse 
        users and communities for greater societal benefits based on 
        those forecasts.
    (e) Technical Assistance on Use of Artificial Intelligence Weather, 
Water, and Space Weather Models.--
            (1) In general.--The Under Secretary shall provide--
                    (A) technical assistance, data access, and support 
                for forecasters, scientists, social scientists, and 
                engineers to test and evaluate the use and 
                effectiveness of the artificial intelligence models of 
                the National Oceanic and Atmospheric Administration, 
                including within the testbeds of the Administration;
                    (B) best practices on providing forecasts based on 
                outputs from artificial intelligence weather models and 
                numerical weather models, or a combination thereof; and
                    (C) support for emergency managers to make 
                operational decisions based on outputs from artificial 
                intelligence weather models and numerical weather 
                models, or a combination thereof.
            (2) Assessment of weather models.--
                    (A) In general.--The Under Secretary shall support 
                the development of a common framework for the 
                assessment of numerical weather models and artificial 
                intelligence weather models by comparing model output 
                and observational data over a period of time in the 
                past through the use of such methodologies as the Under 
                Secretary considers appropriate.
                    (B) Best practices.--In carrying out this 
                paragraph, the Under Secretary may develop and 
                disseminate best practices in collaboration with--
                            (i) the National Institute of Standards and 
                        Technology, the National Aeronautics and Space 
                        Administration, the National Science 
                        Foundation, and the Department of Energy;
                            (ii) academic and research institutions; 
                        and
                            (iii) the private sector.
            (3) Technical assistance.--In carrying out this subsection, 
        the Under Secretary may provide technical assistance, best 
        practices, and support required under paragraph (1) through the 
        National Weather Service.
            (4) Independent study on the impacts of artificial 
        intelligence weather, water, and space weather models.--The 
        Under Secretary may enter into an agreement with the National 
        Academy of Sciences or another entity as determined appropriate 
        by the Under Secretary to assess the impacts of artificial 
        intelligence weather models on the weather enterprise and make 
        recommendations to improve the integration of such models in 
        operational forecasting.
    (f) Partnerships for Transformational Innovation.--
            (1) In general.--The Under Secretary may explore novel 
        structures for partnerships with private, academic, and 
        international entities for research and development of 
        transformative innovation in weather forecasting and other 
        environmental forecasts--
                    (A) to further the understanding of weather, water, 
                wildfires, and space weather, and their societal 
                impact;
                    (B) to advance the science of weather and water 
                forecasting, including seasonal and subseasonal 
                forecasting; and
                    (C) to develop, evaluate, and transition artificial 
                intelligence weather, water, and hazard forecasting 
                applications to operations.
            (2) Co-investment.--Subject to applicable law, the Under 
        Secretary may consider and adopt novel co-investment strategies 
        with the private academic and international sectors to carry 
        out paragraph (1), including--
                    (A) non-Federal Government contributions to 
                resource and support high-risk, high-return research 
                and development in environmental forecasting, data 
                science, artificial intelligence, and related fields;
                    (B) shared rights to intellectual property from 
                research and development activities under this 
                subsection; and
                    (C) other approaches to sharing resources and 
                results under this subsection.
    (g) Availability of Dataset.--
            (1) In general.--The Under Secretary shall develop and 
        implement a plan to make available to the public, at no cost 
        and subject to applicable law and policy, the following:
                    (A) Operational artificial intelligence weather 
                models developed by the National Oceanic and 
                Atmospheric Administration.
                    (B) Artificial intelligence weather models that are 
                not operational models, including experimental and 
                developmental models, as the Under Secretary determines 
                appropriate.
                    (C) Applicable information and documentation for 
                artificial intelligence weather models described in 
                subparagraphs (A) and (B), including a description of 
                intended model outputs.
                    (D) Subject to subsection (i), all data owned by 
                the Federal Government and data that the Under 
                Secretary has the legal right to redistribute that are 
                associated with artificial intelligence weather models 
                made available to the public pursuant to the plan and 
                used in operational forecasting by the Administration, 
                including--
                            (i) relevant metadata; and
                            (ii) data used for operational artificial 
                        intelligence weather models used by the 
                        Administration.
            (2) Accommodations.--In developing and implementing the 
        plan under paragraph (1), the Under Secretary may make such 
        accommodations as the Under Secretary considers appropriate to 
        ensure that the public release of any artificial intelligence 
        weather model, information, documentation, or data pursuant to 
        the plan does not jeopardize--
                    (A) national security;
                    (B) intellectual property or redistribution rights, 
                including under titles 17 and 35, United States Code;
                    (C) any trade secret or commercial or financial 
                information subject to section 552(b)(4) of title 5, 
                United States Code;
                    (D) any models or data that are otherwise 
                restricted by contract or other written agreement; or
                    (E) the mission of the Administration to protect 
                lives and property.
            (3) Report.--
                    (A) In general.--Not later than one year after the 
                date of the enactment of this Act, the Under Secretary 
                shall submit to Congress a report, in both unclassified 
                and classified form, regarding the risks to the 
                economic and intellectual security of the United States 
                from foreign countries of concern through access by 
                those countries to weather data in the United States.
                    (B) Elements.--The report required under 
                subparagraph (A) shall include--
                            (i) a full analysis of the national, 
                        intellectual, and economic security 
                        implications for the United States with respect 
                        to intellectual property theft or cyber or 
                        human espionage through access to weather data; 
                        and
                            (ii) conclusions of the Under Secretary and 
                        recommendations for legislative and 
                        administrative action, if any.
                    (C) Foreign country of concern defined.--In this 
                paragraph, the term ``foreign country of concern'' has 
                the meaning given that term in section 9901 of the 
                William M. (Mac) Thornberry National Defense 
                Authorization Act for Fiscal Year 2021 (15 U.S.C. 
                4651).
    (h) Retention of Federal Government Expertise.--Subject to 
applicable law, the Under Secretary may consider novel methods to 
recruit, retrain, and retain expert personnel to support activities 
under this section, including by--
            (1) using methods to be competitive with salaries outside 
        the Federal Government;
            (2) developing staff exchange programs and training 
        programs; and
            (3) leveraging diverse hiring strategies.
    (i) Protection of National Security Interests.--
            (1) In general.--Notwithstanding any other provision of 
        this section, the Under Secretary, in consultation with the 
        Secretary of Defense, as appropriate, may withhold models or 
        data used under this section if the Under Secretary determines 
        doing so to be necessary to protect the national s