Another wet summer is expected for much of Australia’s east coast – but the west can expect drier than usual conditions.
The Bureau of Meteorology has released its long-term forecast for this summer.
It forecasts a more than 60 percent chance of above-average rainfall on the East Coast from December through February.
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“It is likely to be wetter than usual along Australia’s east coast – particularly along the coast of NSW, most of Victoria, large areas of Queensland and northern and eastern Tasmania,” the Bureau said.
“In eastern Australia, where rivers are already high, dams full and catchments wet, any significant rainfall can result in widespread flooding.
“Above-average rainfall also increases the risk of landslides and tree falls in areas with steep terrain and very wet soil.”
Nights are expected to be warmer than usual in the tropical north and some southern areas including Tasmania.
Summer days are also likely to be warmer than average in most of WA and the Northern Territory, coastal north and central Queensland, and parts of the south including Tasmania.
However, cooler days are likely for most of NSW, parts of southern Queensland and Victoria.
Bushfires also remain a risk in South Australia, the bureau warned.
“Vegetation growth after above-average rainfall can lead to a risk of grass fires,” it said.
This summer, the bureau warns of an increased risk of:
- sustained heat waves with higher humidity in southern areas;
- above average tropical cyclones and tropical lows;
- coastal flooding in the east and north; and
- marine heatwaves
“A number of climate drivers across Australia are contributing to the wet outlook to the east, including a La Niña in the Pacific Ocean, a positive Southern Annular Mode and warmer ocean waters in Australia,” the Bureau said.
“The Indian Ocean negative dipole event is weakening and likely to conclude by early summer, while the Pacific Ocean La Niña could subside in early 2023.”
https://7news.com.au/news/weather/summer-is-almost-here-and-the-bureau-has-released-its-long-range-forecast-what-can-we-expect-c-8963279 NSW, VIC, QLD weather: Grim summer warning for Aussies as Bureau release long-term forecasts