Reviewing the IPCC

Steve McIntyre relates an interesting tale of his attempts to access supporting data while acting as an expert reviewer for the IPCC AR4:

One of the most important IPCC representations is the supposedly tremendous quality control of its review process. I’ve mentioned in passing on a number of occasions that, when I sought to obtain supporting data for then unpublished articles, IPCC threatened to expel me as a reviewer.

I’ve had a few requests to recount my experience with trying to get data from IPCC for unpublished studies. So here’s a short summary of my correspondence with IPCC.

Be sure to read the comments too.