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Blair Trewin is an Australian climate scientist. His specialist areas are the development of long-term historical data sets for the assessment of climate change, and the analysis of extreme events, both current and historic. He was the lead developer of the main long-term Australian temperature data set, ACORN-SAT. In the international sphere, he was the scientific coordinator of the World Meteorological Organisation's annual Global Climate Statement in 2016, and is a member of the WMO's Task Team on Homogenisation. He was also President of the Australian Meteorological and Oceaonographic Society in 2012-14.


  • –present
    Climate scientist, Bureau of Meteorology


  • 2001 
    University of Melbourne, Ph.D
  • 1993 
    ANU, Bachelor of Science (Hons)

Research Areas

  • Climatology (Excl. Climate Change Processes) (040105)