date: Tue, 02 Jun 2009 10:24:29 +0100
from: "peter.thorne" <peter.thorne@metoffice.gov.uk>
subject: Re: Summary
to: Phil Jones <p.jones@uea.ac.uk>

Thanks Phil. FOI looked more serious after legal had had a look until we
noted a gotcha. Sadly may reflect poorly on John K. Can you give me a
bell when you get this message as I want to clear our response with you
first before penning it? 01392 886552. I'll be away from desk
12.00-13.15 otherwise in.

On Tue, 2009-06-02 at 09:44 +0100, Phil Jones wrote:
>   Peter,
>     One minor thing - rest OK.
>   Cheers
>   Phil
> 
> At 15:40 01/06/2009, you wrote:
> >Phil,
> >
> >Thanks for taking the time in the meetings. Hope that traffic wasn't too
> >horrendous. Please update as you see fit.
> >
> >What I think we decided was this:
> >
> >We hold back on HadCRUT4 until both HadSST3 and CRUTEM4 are published.
> 
> 
>   CRUTEM4 and HadCRUT4 will get published together.
> 
> 
> >We aim for this release to be Dec 2010 / Jan 2011
> >
> >We have parallel internal versions once HadSST3 is being updated
> >
> >Envisage in 2010 John K undertaking an update to CRUTEM to accomodate
> >extra stations and tweaking land / sea merge and global average
> >calculation steps.
> >
> >CRUTEM4 / HadCRUT4 paper would consist of:
> >1. New data (see action on PT)
> >2. Tweaked error model (urban and screens geographically variant)
> >3. Section assessing sensitivity to land-sea merge
> >4. Global average calculation assessment
> >
> >Actions:
> >
> >PT to contact Matt Menne of NCDC to try to ascertain the likely extra
> >data we could gain from their holdings.
> >
> >PT to contact Tom Peterson to try to gain an urban / rural assignment
> >catalogue.
> >
> >Post-AR5 would have to be a more in-depth error model and the grand
> >vision although Phil expressed doubts about their efficacy / value for
> >money vis-a-vis other potential uses.
> >
> >Peter
> >--
> >Peter Thorne   Climate Research Scientist
> >Met Office Hadley Centre, FitzRoy Road, Exeter, EX1 3PB
> >tel. +44 1392 886552 fax +44 1392 885681
> >www.metoffice.gov.uk/hadobs
> 
> Prof. Phil Jones
> Climatic Research Unit        Telephone +44 (0) 1603 592090
> School of Environmental Sciences    Fax +44 (0) 1603 507784
> University of East Anglia
> Norwich                          Email    p.jones@uea.ac.uk
> NR4 7TJ
> UK 
> ----------------------------------------------------------------------------                                                                                 
> 
-- 
Peter Thorne   Climate Research Scientist
Met Office Hadley Centre, FitzRoy Road, Exeter, EX1 3PB
tel. +44 1392 886552 fax +44 1392 885681
www.metoffice.gov.uk/hadobs