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    C3S2_610 Development of an event-linked counterfactual diagnostic evidence layer based on ECMWF forecast and reanalysis information in support of the C3S Operational Attribution Office

    European Centre for Medium Range Weather Forecasts (ECMWF)

    C3S2_610 Development of an event-linked counterfactual diagnostic evidence layer based on ECMWF forecast and reanalysis information in support of the C3S Operational Attribution Office

    1. Competition notice published

      Jul 24, 11:03 AMJuly 24, 2026 11:03 AM

    2. Questions deadline

      Sep 16, 9:59 PMSeptember 16, 2026 9:59 PM

    3. Tender submission deadline

      Oct 1, 2:00 PMOctober 1, 2026 2:00 PM

    4. Contract start date

      Feb 1, 12:00 AMFebruary 1, 2027 12:00 AM

    5. Tender validity period

      Jul 1, 2:00 PMJuly 1, 2027 2:00 PM

    Brief

    Tender search/European Centre for Medium Range Weather Forecasts (ECMWF)/C3S2_610 Development of an event-linked counterfactual diagnostic evidence layer based on ECMWF forecast and reanalysis information in support of the C3S Operational Attribution Office
    Brief

    Miljøovervåking og naturvitenskapelige tjenester

    The European Centre for Medium Range Weather Forecasts (ECMWF) needs services for the development of an event-linked counterfactual diagnostic evidence layer to support the C3S Operational Attribution Office, using ECMWF forecasts and reanalysis products. This framework agreement has a maximum duration of 18 months, with an expected start in Q1 2027, and a maximum total value of 750,000 EUR. The services will derive event-specific counterfactual diagnostics to provide additional evidence on how the intensity, probability, or other characteristics of observed extreme events may have differed in the absence of human-induced climate change. Award criteria include Technical Solution Proposed (30%), Management and Implementation (20%), Track Record (15%), Quality of Resources Deployed (15%), Price (15%), and Legal and Financial (5%).

    About the bid

      The aim of this ITT is to develop an event-linked counterfactual evidence layer to support the C3S Operational Attribution Office. Using ECMWF forecasts and reanalysis products, it will derive event-specific counterfactual diagnostics that provide additional evidence on how the intensity, probability or other characteristics of observed extreme events may have differed in the absence of human-induced climate change. ECMWF intends to award a single Framework Agreement, with a maximum duration of 18 months, which shall be implemented via a single multi-annual Service Contract, expected to commence at the beginning of Q1 2027.

      Contact name
      Procurement at ECMWF
      Contact phone
      +44 118 949 9000
      Contact email
      procurement@ecmwf.int
      Address
      Robert-Schuman-Platz 3, 53175 Bonn

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    Award Criteria

    • Description

      Legal and Financial

    • Description

      Track Record

    • Description

      Quality of Resources Deployed

    • Description

      Technical Solution Proposed

    • Description

      Management and Implementation

    • Description

      Price

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    See the full notice

    Contracting authority
    European Centre for Medium Range Weather Forecasts (ECMWF)
    Title
    C3S2_610 Development of an event-linked counterfactual diagnostic evidence layer based on ECMWF forecast and reanalysis information in support of the C3S Operational Attribution Office
    Type
    CompetitionFramework agreementPrequalification
    Main code
    73000000Research and development services and related consultancy services
    Supplemental codes

    No supplemental codes from buyer…

    Supplemental codes added by Cobrief

    71351611Climatology services
    72212462Mathematical or forecasting software development services
    73300000Design and execution of research and development
    Estimated value
    €750,000.00
    Duration
    18 months

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