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Forbes experienced severe flooding last week.
There is a greater risk of floods and storms in Australia because of La Nia.
The last time the weather phenomenon contributed to rains in Australia was in the last century.
La Nia can cause weather changes in different parts of the world.
The World Meteorological Organization has warned that a La Nia may re-emerging.
Australia's Bureau of Meteorology says this year's event could be weaker.
Climate models suggest this La Nia will last until the late southern hemisphere summer or early autumn of 2022, it said on Tuesday.
La Nia is one of the three phases of the weather occurrence known as the El Nio-Southern Oscillation. The warm phase is called El Nio, the cooler La Nia and the neutral phase.
The warm surface waters of the Pacific away from South America and towards Indonesia are what causes a La Nia. Cold waters come up to the surface.
La Nia increases the chance of cooler daytime temperatures in Australia.
It can increase the frequencies of tropical storms.
There is a chance of flash flooding this week in the state. Forbes, New South Wales, was evacuated last week due to floods.
The stranding of a young family in the outback was caused by the recent rain in South Australia.
Thousands of Australians were displaced during the last La Nia due to flooding which caused over $1 billion in damage.
La Nia can increase the risk of storms in Canada and the northern US.
A very strong La Nia event may lead to a very wet winter in the UK and Northern Europe.
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The floods in Australia were caused by a La Nia.
Climate events like La Nia are now taking place in the context of human-caused climate change, according to the WMO.
The US National Oceanic and Atmospheric Administration has warned that La Nia will last through the northern hemisphere winter.
Climate change.
Australia has a climate.
Australia.
