ECMWF are pleased to announce the availability of a beta version of a new real-time requirement-editing interface.

The Product Requirements Editor will replace the existing requirement-editing interface, used by ECMWF Member and Cooperating Sates for the management of real-time dissemination requirements, on Tuesday 18th February 2020.

Who is it for?

The Product Requirements Editor is an intuitive platform for the editing of real-time data requirements.

User groupAccess to the legacy platform Access to beta phase of the new platformAccess to the new platform (18th February 2020)

Member & Cooperating State

(tick)(tick) - 17th January - 18th February(tick)

NMHS licence holders 

(error) (access to requirements was only available via ECPDS)

Maximum charge customers

(error) (access to requirements was only available via ECPDS)

Highlights & new features

The Product Requirements Editor offers a variety of new features designed to assist users in the management of real-time data delivery.

Examples features include:


  • What it does: Provides users with a list of parameters that exist in the parameter database
  • How to use: ctrl+space
  • Example videoAutocomplete
  • Future enhancements:
    • search for ALL parameters by parameter ID
    • only display parameters that are valid in dissemination and valid for your current request (this is currently just a dump of all parameters from the parameter database)


  • What it does: Displays the data that is being inherited from the preceding dissemination request
  • How to use: hover over the (info) icon
  • Example
  • Future enhancements: selectively paste inherited data into the requirements


  • What it does: Allows users to insert template requirements into their feed, which they can modify and use to build requests from scratch
  • How to use: hover over the <> icon
  • Example videoSnippet
  • Future enhancements: snippets for ALL datasets will be added prior to the first release


  • What it does: Displays differences between:
    1. the operational version of a feed and the amended version of that same feed
    2. the operational version and a previous operational version
    3. two previous operational versions
  • How to use: select the 'view changes' action
  • Example videoDiff
  • Future enhancements: add the option to save any changes that are made to the requirements while using the diff window

How to test

To ensure that you are ready to use the new application from Tuesday 18th February 2020 please test at your earliest convenience.

Access the Product Requirements Editor

Log in to the ECMWF website using your user ID and password :

Access the web application via the following link :

User documentation : An introduction to the new requirements web interface

Note : Any changes you make in the application WILL NOT affect your operational delivery. This is strictly a test system.

Report bugs and provide your feedback

This is a beta version of the web application. 

We look forward to your feedback, which will be used to shape future improvements to the application. Please report any feedback to using the format below:

Page (URL)



<provide a link to the page you would like to report><provide a screenshot of the issue><provide a summary of the issue and/or your suggestions for improvement

Further updates

Become a watcher of this blog if you would like to receive further updates regarding the Product Requirements Editor, including announcements of Webinars.

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