Category Archives: CRU

"Unprecedented" Data Purge At CRU

On July 31, 2009, the purge of public data at CRU reached levels “unprecedented” in its recorded history. Climate Audit reader Super-Grover said that the data purge was “worse” than we expected. On Monday, July 27, 2009, as reported in a prior thread, CRU deleted three files pertaining to station data from their public directory […]

Met Office/CRU Finds the Mole

More news on the Met Office/CRU molehunt. Late yesterday (Eastern time), I learned that the Met Office/CRU had identified the mole. They are now aware that there has in fact been a breach of security. They have confirmed that I am in fact in possession of CRU temperature data, data so sensitive that, according to […]

CRU – Then and Now

In respect to the alleged CRU confidentiality agreements (which look increasingly fictitious), Jean S made the interesting observation that CRU archived station in the 1980s and early 1990s at CDIAC (ndp020) and that the alleged CRU confidentiality agreements, for some reason, did not interfere with that data being archived. Interestingly, I happen to have a […]

CRU Refuses Data Once Again

Let me review the request situation for readers. There are two institutions involved in the present round of FOI/EIR requests: CRU and the Met Office. Phil Jones of CRU collects station data and sends his “value added” version to the Met Office, who publish the HadCRU combined land-and-ocean index and also distribute the CRUTEM series […]

UK Met Office Refuses to Disclose Station Data Once Again

It must be humiliating for the UK Met Office to have to protect Phil Jones and CRU. Even a seasoned bureaucrat must have winced in order to write the following: Some of the information was provided to Professor Jones on the strict understanding by the data providers that this station data must not be publicly […]

HadCRU Sept 1850

For some reason, the main HadCRU global data set http://hadobs.metoffice.com/crutem3/diagnostics/global/nh+sh/monthly is missing September 1850. I noticed this when the plot came up one month short. I wonder why this month went AWOL.

Christy et al 2009: Surface Temperature Variations in East Africa

Christy et al (J Clim 2009), Surface Temperature Variations in East Africa and Possible Causes, is a really excellent article that will interest many readers interested in surface temperature data sets. It’s interesting on a number of counts, not all of which I have time to summarize today. It is a detailed study of station […]

Phil Jones: the Secret Agent in Hawaii

As CA readers know, Phil Jones keeps his CRU data secret. Embarrassingly, the UK Met Office relies on this secret data and says that it is unable to provide this supporting data for the most relied upon temperature data set in the world. Their statements in response to FOI requests as to what they actually […]

The UK Met Office Deepens The Moat

Deepening moats has been a lively topic in UK politics recently. One British MP expensed the public for the cost of deepening the moat at his castle and has been forced to resign. We discussed FOI and the MP expense scandal recently. We have, of course, followed with some considerable amusement the contortions of the […]

Why the difference?

Here is a puzzling comparison of two zonal averages from Phil Jones’ CRUTEM3 gridded land data. Red shows the average from 20S to 20N and black shows the average of the 20-30S band (both N and S). These are calculated from gridded data at http://hadobs.metoffice.com/crutem3/data/CRUTEM3.nc. I did this comparison because I noticed a difference between […]

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