Wednesday, June 20, 2012


cc: Roxana Bojariu <>
date: Fri Oct 8 09:40:41 2004
from: Phil Jones <>
subject: Re: [Fwd: Re: IPCC AR4 WG1: will you be a contributor?]
to: Kevin Trenberth <>

Kevin, Roxana,
Apologies for a slightly delayed response. I've not heard of Fabio D'andrea either.
A search on google using blocking and NH yields the attached paper. Not heard of
the first two but have head of Huw Davies. Don't think Huw will do anything for us,
but he should be able to suggest some names for us - both in Switzerland and
I would suggest you contact him Roxana, and see what he says. His email
should be on the ETH web site. It is likely to be or something like
Another person who came up was Stefano Tibaldi, who I've met many times He's not
doing much research now, but his group in Bologna are. It would be worth contacting
Carlo Cacciamani ( or anyone in the arpa group in Bologna.

At 16:20 07/10/2004, Kevin Trenberth wrote:

Christophe says he will contribute but not on blocking. He has suggested someone, and
Roxana has some names also, but I don't know any of these people. Roxana, I wonder if
you can look at this person's papers and see whether either you can summarize them?
Any ideas on blocking in NH?
-------- Original Message --------
Subject: Re: IPCC AR4 WG1: will you be a contributor?
Date: Thu, 7 Oct 2004 15:55:36 +0200 (MEST)
From: Christophe Cassou [1]<>
To: Kevin Trenberth [2]<>
CC: Roxana Bojariu [3]<>
Hi Kevin,

Thanks for your answer and your advices. I will provide you and Roxana my
contributions according to what you had written.

As to Blocking, I would suggest to contact Fabio D'andrea
([4] that wrote few papers about it.



PS: say hello to the flatirons for me... I miss them.

On Wed, 6 Oct 2004, Kevin Trenberth wrote:

| Hi Christophe
| Thanks for agreeing to help. Jim Hurrell suggested you as someone who
| could help on NH blocking. In our chapter the emphasis is on the
| observed changes: in this case blocking. I am attaching a rough draft
| of section 3.5.1 to provide a bit more of a framework, and one of your
| papers is referred to there. As well as describing climate variability
| and change by variable we also want to do it by phenomena: hence the
| inclusion of storm tracks and blocking. Processes and mechanisms can be
| discussed insofar as they enlighten or pull together the observations,
| but this chapter is not about processes per se.
| I personally would welcome a short contribution on 3.5.1: up to about
| half a page: send to me.
| Also a contribution on 3.5.2 would be valuable: up to about a page?
| Send to Roxana.
| We have asked for contributions on 3.5.3 from Edmund Chang and Nakamura,
| but if you wish to also contribute, we can blend those together.
| And if you can contribute to 3.5.4, please do so: even if short and
| incomplete.
| Send those too to Roxana.
| Can you suggest someone else to help with 3.5.4 for the NH?
| Best regards and welcome aboard
| Kevin
| Christophe Cassou wrote:
| >Dear Kevin, Roxana,
| >
| >Thanks a lot for the invitation to be a contributing author for the next
| >IPCC report. I would be very happy to help you and participate to the
| >writing. The only concern I have is about the choice of the section I
| >have been assigned to. I am not really an expert in blocking, especially
| >its dynamical properties etc. For sure, my expertise fits in Chapter 3.5
| >but my recent publications deal more with 3.5.1, 3.5.2, 3.5.3 than
| >blocking. I am afraid that I would miss some very important aspects if I
| >have to write something about blocking and I would prefer to contribute to
| >the preceding sections, if possible. Thanks for your understanding.
| >
| >Have a good day. Best regards,
| >
| >Christophe.
| >
| >
| >
| >
| >
| >
| >
| >
| --
| ****************
| Kevin E. Trenberth e-mail: [5]
| Climate Analysis Section, NCAR [6]
| P. O. Box 3000, (303) 497 1318
| Boulder, CO 80307 (303) 497 1333 (fax)
| Street address: 1850 Table Mesa Drive, Boulder, CO 80303

Kevin E. Trenberth e-mail: [7]
Climate Analysis Section, NCAR [8]
P. O. Box 3000, (303) 497 1318
Boulder, CO 80307 (303) 497 1333 (fax)

Street address: 1850 Table Mesa Drive, Boulder, CO 80303

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

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