Click above to watch a video presentation of the rainfall and water outlook for the next three months
Mar-May 2019 rainfall outlook:
Drier autumn likely for eastern half of Australia
AUTUMN is likely to be drier than average over Queensland, New South Wales, Victoria, northern and eastern Tasmania, the southern two-thirds of the Northern Territory and eastern South Australia. In contrast, inland western Western Australia is slightly more likely to be wetter than average.
March is likely to be drier than average across Queensland, NSW, far eastern South Australia, most of Victoria and the southern two-thirds of the NT. Parts of northern Queensland have a greater than 80 percent chance of a drier than average month. Conversely, parts of the Pilbara and Gascoyne in WA are likely to be wetter than normal.
Historical outlook accuracy for March to May is moderate for most of the country, but low across the south-east and interior of WA, western Tasmania, and near the NSW-Queensland border. See map for details.
Chance of exceeding 100mm during March-May:
March 2019 rainfall outlook:
April 2019 rainfall outlook:
Warmer than average autumn very likely
Warmer than average autumn days and nights are very likely for almost all of Australia. Chances of being warmer than median for days and nights are greater than 80pc for most of the country. The warm outlooks follow Australia’s warmest December and January on record. However, chances of warmer or cooler autumn nights are roughly equal in some parts of north-east Queensland.
Historical accuracy for March to May maximum temperatures is moderate to high across most of northern and eastern Australia, but low across southern and central WA, most of SA, southern Victoria and north-east Tasmania. Minimum temperature accuracy is moderate for much of southern and western Australia. See map for more details.
Minimum temperature outlook:
Maximum temperature outlook:
Source: Bureau of Meteorology
Comparison – previous forecast versus actual rainfall
Maps below compare BOM’s rainfall forecast for November 2018 to January 2018, issued in October 2018, with actual rainfall deciles recorded over the October to December 2018 period.
FORECAST MEDIAN RAINFALL NOVEMBER 2018 TO JANUARY 2019:
RAINFALL DECILES RECORDED NOVEMBER 2018 TO JANUARY 2019:
Source: Bureau of Meteorology
Scroll between images below:
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