The Bureau of Meteorology is warning eastern Australia should expect a soggy and rainy spring.
The bureau's official outlook for September to November 2022 shows an east-west split in weather conditions for Australia.
There is a strong, more than 80 per cent chance, of above-average rainfall for the majority of the east of the country during the three months of spring, which begins on September 1.
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It will be grim news flood-affected communities in northern New South Wales and parts of Queensland as they cover from devastating flooding earlier this year.
In those areas, rivers continue to be at maximum levels, soils are damp and rivers remain high.
In contrast, spring weather conditions for large parts of Western Australia are forecast to be relatively dry. Regions south of Perth can expect only a 25 per cent chance of exceeding median rainfall.
Unusually dry conditions are forecast for Western Tasmania.
The bureau says there is a 70 per cent chance of a La Niña weather system - which drive wet conditions - for spring.
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There is also another weather system in the Indian Ocean driving wetter conditions, particularly for Victoria.
The bureau says a negative Indian Ocean Dipole (IOD) event has started, which will bring more rain over southern and eastern Australia.
It is being driven by warmer ocean temperatures around Australia.
The extra moisture in the air helps bring cold winds and heavy rain to NSW and Victoria.
Large parts of NSW, Victoria and the ACT are also showing below normal fire risks after a largely damp winter.
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