Latest Thomas R. Karl Stories

New 1981-2010 'normals' to be released this week According to the 1981-2010 normals to be released by NOAA's National Climatic Data Center (NCDC) on July 1, temperatures across the United States were on average, approximately 0.5 degree F warmer than the 1971-2000 time period.Normals serve as a 30 year baseline average of important climate variables that are used to understand average climate conditions at any location and serve as a consistent point of reference. The new normals update the...

WASHINGTON -- A nagging difference in temperature readings that had raised questions about global warming has been resolved, a panel of scientists reported Tuesday."This significant discrepancy no longer exists because errors in the satellite and radiosonde data have been identified and corrected," researchers said in the first of 21 assessment reports planned by the U.S. Climate Change Science Program.The findings show clear evidence of human influences on climate due to changes in...