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UK Government: Met Office Source Code ‘Available For External Use’

As one of the signatories of the epetition on “CRU Source codes” I just received the following message:

—– Forwarded Message —-
From: 10 Downing Street
To: e-petition signatories
Sent: Tue, November 10, 2009 4:18:55 PM
Subject: Government response to petition ‘CRUSourceCodes’

You signed a petition asking the Prime Minister to “Force the Climate Research Unit, or other publicly funded organisations to release the source codes used in their computer models.”

The Prime Minister’s Office has responded to that petition and you can view it here:


Prime Minister’s Office

Petition information – http://petitions.number10.gov.uk/CRUSourceCodes/

And this is the text from that page 21266 (my emphasis):

The Government is strongly committed to the principles of freedom of information, and the Environmental Information Regulations 2004 specifically implement our international obligations over access to environmental information. The Met Office’s commitment to openness and transparency in the conduct of their operations and to the sharing of information is set out clearly on their website (http://www.metoffice.gov.uk/corporate/legal/foi.html).

Simple and transparent licences are in place to facilitate the re-use of the Met Office’s meteorological and climate data, and large quantities are freely available for academic and personal use, for example through the UK Climate Impacts Programme and the British Atmospheric Data Centre.

The Met Office’s climate models are configurations based on the Unified Model (UM), the numerical modelling system developed and used by the Met Office to produce all their weather forecasts and climate predictions.

You may be interested to know that the UM, including source code, is available for external use under licence. For general research, the licence is free; the Met Office just asks individuals to submit an abstract describing the research to be undertaken, and to provide an annual report describing the work undertaken, the results achieved and future work plans.

To improve access to their climate models, the Met Office has worked with Reading and Bristol Universities and NERC to develop a low-resolution version which can be run on a PC and is available to all UM licence holders.

Further Information on how to apply for a research licence can be found on the Met Office website.


  1. 2009/11/15 at 18:48

    The petition was too vaguely worded wasn’t it?

  2. Luke Warmer
    2009/11/11 at 08:32

    Maurizio – this is off topic – but back to your post “Michael Shermer’s Five Questions on AGW Skepticism” (https://omniclimate.wordpress.com/2009/10/01/michael-shermers-five-questions-on-agw-skepticism/)
    and the very first question “Is the earth getting warmer?”

    Bob Tisdale has a post at his site (http://bobtisdale.blogspot.com/) and at WUWT which covers the point I was struggling to make:

    “It is important to note that the vast majority of the warm water that sloshes east during the El Nino had been stored below the surface before the El Nino. While below the surface (to depths of 300 meters) it was not included in the instrument temperature record. But during the El Nino, that warm water has been relocated to the surface and is included in the surface temperature record. So, El Nino events relocate warm water from an area that was not included in the calculation of global temperature to the surface where it is included.”

    Clearly there’s more work to do, but this was the conceptual issue that has bugged me since everyone said that 1998’s high was due to El Nino. I hope the quote above is clearer than my original reply especially the “While below the surface (to depths of 300 meters) it was not included in the instrument temperature record”.

    This stuff on ocean heat content etc is fascinating escecially the animations of ENSO.

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