Good interview:
Hot news: NASA quietly fixes flawed temperature data; 1998 was NOT the warmest year in the millenium
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By Michelle Malkin August 9, 2007 10:02 PM
Mind the gap.
Some big environmental news that you havent heard much about: NASA has revised much-publicized US temperature data that have been used to claim 1998 as a record-breaking hottest year in the millenium. Michael Asher at DailyTech reports:
My earlier column this week detailed the work of a volunteer team to assess problems with US temperature data used for climate modeling. One of these people is Steve McIntyre, who operates the site climateaudit.org. While inspecting historical temperature graphs, he noticed a strange discontinuity, or jump in many locations, all occurring around the time of January, 2000.
These graphs were created by NASAs Reto Ruedy and James Hansen (who shot to fame when he accused the administration of trying to censor his views on climate change). Hansen refused to provide [McIntyre ]with the algorithm used to generate graph data, so McKintyre reverse-engineered it. The result appeared to be a Y2K bug in the handling of the raw data.
[McIntyre] notified the pair of the bug; Ruedy replied and acknowledged the problem as an oversight that would be fixed in the next data refresh.
NASA has now silently released corrected figures, and the changes are truly astounding. The warmest year on record is now 1934. 1998 (long trumpeted by the media as record-breaking) moves to second place. 1921 takes third. In fact, 5 of the 10 warmest years on record now all occur before World War II. Anthony Watts has put the new data in chart form, along with a more detailed summary of the events.
The effect of the correction on global temperatures is minor (some 1-2% less warming than originally thought), but the effect on the US global warming propaganda machine could be huge.
Then again maybe not. I strongly suspect this story will receive little to no attention from the mainstream media.
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McIntyres blog is down at the moment. (*Update*: Its down because his work has gotten some major media attention no, not from the MSM, but from Rush Limbaugh.) His work on this is extraordinary and hopefully the website will be back up. (Another update: McIntyre also debunked the famous hockey stick analysis linking human activity to global warming, which turned out to be an artifact of poor mathematics.) In the meantime, see Anthony Watts, who walks you through McIntyres findings and adds some helpful charts: