By Joe D’Aleo, CCM, AMS Fellow

The pressure has been mounting. The public doubt about global warming has been increasing in the past year given Climategate, and how promises of warm snowless winters failed. After cold and snowy winters in 2007/08 and 2008/09, the winter of 2009/10 was the coldest ever in parts of the southeast, and in parts of Siberia and the coldest since 1977/78 or 1962/63 in many parts of the United States, Europe and Asia. This past December was the second coldest in the entire Central England Temperature record extending back to 1659.

It was the coldest ever December in diverse locations like Ireland, Sweden, and Florida. Reluctantly, alarmists changed their tune and the promise of warm and snowless winters as recent as 4 years ago morphed into global warming means cold and snowy winters.

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NASA/NOAA homogenization process has been shown to significantly alter the trends in many stations where the siting and rural nature suggest the data is reliable. In fact, adjustments account for virtually all the trend in the data. Unadjusted data for the best sites/rural shows cyclical multi-decadal variations but no net long term trend as former NASA scientist Dr. Ed Long showed here (PDF). He showed however that after adjustment, the rural data trend was made consistent with the urban data set with an artificial warming introduced.

Steve McIntyre demonstrates what NASA GISS has been up to since their Y2K bug:

For the Full Report in PDF Form, please click here.

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