Amendment 4: Relevance Requirement added to B.7 Space Weather Science Application Research-to-Operations-to-Research

B.7 Space Weather Science Application Research-to-Operations-to-Research (SWR2O2R) solicits proposals to improve application-oriented models and forecast tools that directly enable advances in the areas described below and, in doing so, could also lead to improved scientific understanding. Proposed work must have a clear path forward to benefit an identified end user (e.g., operational agencies or an industry with a well-established space weather need) and must establish both the value of the proposed work to the end user as well as the viability of delivering a usable capability within the lifetime of the R2O2R award. The single application-oriented focus area for this opportunity is Data Assimilation for Neutral Density Forecasting. In addition to this single focus area, SWR2O2R also invites submissions on any subject that is of demonstrable relevance to the program.

ROSES-2023 Amendment 4 adds to this program element a relevance requirement in addition to and that supersedes those detailed in the ROSES Summary of Solicitation As described in Section 3.2.4, proposers must provide an explicit statement of relevance in response to an NSPIRES cover page question. Also, a typo was corrected in Section 5. New text is in bold and deleted text is struck through. The due dates are unchanged: Step-1 proposals are due April 6, 2023, and Step-2 proposals are due June 7, 2023.

On or about March 10, 2023, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2023" (NNH23ZDA001N) will be posted on the NASA research opportunity homepage at

Questions concerning B.7 SWR2O2R may be directed to Jim Spann at

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