State of the Climate - 2014
Data and analysis from the Bureau of Meteorology and CSIRO show further warming of the atmosphere and oceans in the Australian region, as is happening globally. This change is occurring against the background of high climate variability, but the signal is clear. Air and ocean temperatures across Australia are now, on average, almost a degree Celsius warmer than they were in 1910, with most of the warming occurring since 1950.
This warming has seen Australia experiencing more warm weather and extreme heat, and fewer cool extremes. There has been an increase in extreme fire weather, and a longer fire season, across large parts of Australia.
Rainfall averaged across all of Australia has slightly increased since 1900. Since 1970, there have been large increases in annual rainfall in the northwest and decreases in the southwest. Autumn and early winter rainfall has mostly been below average in the southeast since 1990.
Atmospheric greenhouse gas concentrations continue to rise and continued emissions will cause further warming over this century. Limiting the magnitude of future climate change requires large and sustained net global reductions in greenhouse gases.
The Bureau has been observing, reporting and researching Australia’s weather since 1908. CSIRO has been undertaking atmospheric and marine research for more than 60 years. Together our scientists continue to build the body of knowledge that allows people to understand the changes in our climate that we are observing and prepare for any future changes.
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