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

<DOC>





                                                       Calendar No. 199
119th CONGRESS
  1st Session
                                S. 1378

                          [Report No. 119-88]

      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

                            October 21, 2025

                Reported by Mr. Cruz, with an amendment
 [Strike out all after the enacting clause and insert the part printed 
                               in italic]

_______________________________________________________________________

                                 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,

<DELETED>SECTION 1. SHORT TITLE.</DELETED>

<DELETED>    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''.</DELETED>

<DELETED>SEC. 2. ARTIFICIAL INTELLIGENCE FOR WEATHER 
              FORECASTING.</DELETED>

<DELETED>    (a) Definitions.--In this section:</DELETED>
        <DELETED>    (1) Artificial intelligence.--The term 
        ``artificial intelligence''--</DELETED>
                <DELETED>    (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</DELETED>
                <DELETED>    (B) includes machine learning, neural 
                networks, and natural language processing.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (3) Curate.--The term ``curate'', with respect to 
        a dataset, means--</DELETED>
                <DELETED>    (A) to collect and maintain the dataset--
                </DELETED>
                        <DELETED>    (i) to ensure and document its 
                        quality; and</DELETED>
                        <DELETED>    (ii) to provide metadata on its 
                        provenance; and</DELETED>
                <DELETED>    (B) to update the dataset periodically, as 
                appropriate and practicable.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (5) Observational data.--The term ``observational 
        data'' means data and metadata from actual observations of 
        environmental conditions, including remote sensing and in situ 
        platforms.</DELETED>
        <DELETED>    (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).</DELETED>
        <DELETED>    (7) Synthetic data.--The term ``synthetic data'' 
        means data produced from a model or statistical method in order 
        to fill gaps in observational data.</DELETED>
        <DELETED>    (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.</DELETED>
<DELETED>    (b) Purpose.--The purpose of this section is--</DELETED>
        <DELETED>    (1) to improve accuracy and timeliness of weather, 
        water, and space weather forecasts and effective dissemination 
        of critical information;</DELETED>
        <DELETED>    (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;</DELETED>
        <DELETED>    (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</DELETED>
        <DELETED>    (4) to strengthen public-private partnerships in 
        highly technical, high-risk, and high-reward fields related to 
        weather, water, wildfires, and space weather 
        forecasts.</DELETED>
<DELETED>    (c) Earth System Forecasting and Information Delivery.--
</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (3) Artificial intelligence weather model.--
        </DELETED>
                <DELETED>    (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.</DELETED>
                <DELETED>    (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.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (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--</DELETED>
                <DELETED>    (A) to collect and acquire traditional and 
                novel observational data relevant for artificial 
                intelligence and numerical weather, water, and space 
                weather forecasting;</DELETED>
                <DELETED>    (B) to advance research on the Earth 
                system and numerical weather model 
                forecasting;</DELETED>
                <DELETED>    (C) to develop and advance numerical Earth 
                system modeling for predictions;</DELETED>
                <DELETED>    (D) to develop weather model data post-
                processing techniques; and</DELETED>
                <DELETED>    (E) to improve data assimilation 
                techniques.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (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.</DELETED>
<DELETED>    (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--</DELETED>
        <DELETED>    (1) improving data assimilation;</DELETED>
        <DELETED>    (2) accounting for coupled Earth system 
        processes;</DELETED>
        <DELETED>    (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;</DELETED>
        <DELETED>    (4) using artificial intelligence weather models 
        to generate ensemble forecasts to more accurately assess flow-
        dependent forecast uncertainties; and</DELETED>
        <DELETED>    (5) improving impact-based decision support to 
        diverse users and communities for greater societal benefits 
        based on those forecasts.</DELETED>
<DELETED>    (e) Technical Assistance on Use of Artificial Intelligence 
Weather, Water, and Space Weather Models.--</DELETED>
        <DELETED>    (1) In general.--The Under Secretary shall 
        provide--</DELETED>
                <DELETED>    (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;</DELETED>
                <DELETED>    (B) best practices on providing forecasts 
                based on outputs from artificial intelligence weather 
                models and numerical weather models, or a combination 
                thereof; and</DELETED>
                <DELETED>    (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.</DELETED>
        <DELETED>    (2) Assessment of weather models.--</DELETED>
                <DELETED>    (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.</DELETED>
                <DELETED>    (B) Best practices.--In carrying out this 
                paragraph, the Under Secretary may develop and 
                disseminate best practices in collaboration with--
                </DELETED>
                        <DELETED>    (i) the National Institute of 
                        Standards and Technology, the National 
                        Aeronautics and Space Administration, the 
                        National Science Foundation, and the Department 
                        of Energy;</DELETED>
                        <DELETED>    (ii) academic and research 
                        institutions; and</DELETED>
                        <DELETED>    (iii) the private 
                        sector.</DELETED>
        <DELETED>    (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.</DELETED>
        <DELETED>    (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.</DELETED>
<DELETED>    (f) Partnerships for Transformational Innovation.--
</DELETED>
        <DELETED>    (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--</DELETED>
                <DELETED>    (A) to further the understanding of 
                weather, water, wildfires, and space weather, and their 
                societal impact;</DELETED>
                <DELETED>    (B) to advance the science of weather and 
                water forecasting, including seasonal and subseasonal 
                forecasting; and</DELETED>
                <DELETED>    (C) to develop, evaluate, and transition 
                artificial intelligence weather, water, and hazard 
                forecasting applications to operations.</DELETED>
        <DELETED>    (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--</DELETED>
                <DELETED>    (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;</DELETED>
                <DELETED>    (B) shared rights to intellectual property 
                from research and development activities under this 
                subsection; and</DELETED>
                <DELETED>    (C) other approaches to sharing resources 
                and results under this subsection.</DELETED>
<DELETED>    (g) Availability of Dataset.--</DELETED>
        <DELETED>    (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:</DELETED>
                <DELETED>    (A) Operational artificial intelligence 
                weather models developed by the National Oceanic and 
                Atmospheric Administration.</DELETED>
                <DELETED>    (B) Artificial intelligence weather models 
                that are not operational models, including experimental 
                and developmental models, as the Under Secretary 
                determines appropriate.</DELETED>
                <DELETED>    (C) Applicable information and 
                documentation for artificial intelligence weather 
                models described in subparagraphs (A) and (B), 
                including a description of intended model 
                outputs.</DELETED>
                <DELETED>    (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--</DELETED>
                        <DELETED>    (i) relevant metadata; 
                        and</DELETED>
                        <DELETED>    (ii) data used for operational 
                        artificial intelligence weather models used by 
                        the Administration.</DELETED>
        <DELETED>    (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--</D