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Australia La Nińa could see Australia experience more bushfires

13:40  30 september  2020
13:40  30 september  2020 Source:   dailymail.co.uk

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Read more . Watkins said La Niña would likely bring increased rainfall in both northern and eastern Watkins said the extreme heat Australia has experienced during recent dry summers was less likely to occur this year. He said an active La Niña would also reduce the bushfire risk this season slightly

La Nina can be a drought-breaker. La Nina is crucial in ending droughts in Australia , according to new research co-authored by Andrew King, a " La Nina seasons are just a lot wetter on average than either El Nino or neutral seasons," Dr King said. El Nino seasons see cooler Pacific Ocean

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Australia could face more bushfires over summer as the country's first La Niña in almost 10 years is declared active.

The weather event occurs when stronger equatorial winds, blowing east to west, cool the Pacific Ocean in the tropical north of Australia.

The Bureau of Meteorology confirmed on Tuesday that a La Niña had formed off Australia's south-east coast with fears it will cause more bushfires.

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The La Niña began with close-to-average rainfall recorded over northern Australia during August to October (Figure 2) and below to very- much -below-average rainfall in the southeast. This, coupled with two extreme heat waves during the same period, contributed to the Black Saturday bushfires

The La Nina phenomenon is heading back to Australia this summer - but that does not necessarily mean "Normally you would expect to see more widespread rainfall, more cloud cover and cooler The bad news is the La Nina will not reduce the risk of bushfires over summer, as it normally would.

The result is torrential rain, flooding and cooler temperatures which helps grass grow quicker and increases vegetation that can fuel bushfires.

a man that is on fire: Fire and Rescue personnel run to move their truck as a bushfire burns next to a major road and homes on the outskirts of the town of Bilpin on December 19, 2019 in Sydney © Provided by Daily Mail Fire and Rescue personnel run to move their truck as a bushfire burns next to a major road and homes on the outskirts of the town of Bilpin on December 19, 2019 in Sydney graphical user interface, text, application: The La Niña could bring it with it more wet weather causing grass to grow quicker which could then lead to bushfires under the strong summer sun © Provided by Daily Mail The La Niña could bring it with it more wet weather causing grass to grow quicker which could then lead to bushfires under the strong summer sun

'We are one of the few groups who wouldn't mind a wet spring and summer,' the NSWRFS tweeted on Tuesday.

'However increased rain is likely to lead to increased grass growth. This may prove problematic later in the season.'

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Australia is being ravaged by the worst wildfires seen in decades, with large swaths of the country devastated since the fire season began in July. All this has been exacerbated by persistent heat and drought, and many point to climate change as a factor making natural disasters go from bad to worse.

La Nina is the opposite of an El Nino, which is characterized by warmer waters in the tropical Pacific. While a La Nina can be less damaging than an El Our goal is to create a safe and engaging place for users to connect over interests and passions. In order to improve our community experience , we are

The Bushfire and Natural Hazards Cooperative Research Centre (Bushfire CRC) agreed with the NSWRFS that even normal fire threats are still threats regardless.

'While these wetter conditions in eastern Australia will help in the short-term, they may lead to an increase in the risk of fast running fires in grasslands and cropping areas over summer,' they wrote in their September - November hazard notes.

calendar, map: During the last La Nina between 2010 and 2012, the weather bureau said Australia had one of the 'wettest two-year periods on record' © Provided by Daily Mail During the last La Nina between 2010 and 2012, the weather bureau said Australia had one of the 'wettest two-year periods on record' a view of a city: The Bureau of Meteorology has officially declared the first La Niña event since 2010 to 2012, when floods ravaged Queensland, killing 33 people. (Pictured: Flooding in on the north-eastern side of Roma, 480km west of Brisbane, Thursday, March 4, 2010) © Provided by Daily Mail The Bureau of Meteorology has officially declared the first La Niña event since 2010 to 2012, when floods ravaged Queensland, killing 33 people. (Pictured: Flooding in on the north-eastern side of Roma, 480km west of Brisbane, Thursday, March 4, 2010)

Dr Joelle Griggs, a climate scientist at Australian National University, said that some of the worst La Niña events occurred on Black Saturday in February 2009 and Black Friday in January 1939.

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That is what La Nina is." More frequent extreme weather predicted. Dr Cai and fellow climate scientists have published a paper in the Nature Climate "What really was not good news for Australia was that for the increase in the La Nina events, most of it will occur in the year after an extreme El Nino event

As bushfires creep towards Sydney, what is the weather's influence and impact? Long lasting drought conditions exacerbate bushfires across New South Wales. Matt Taylor explains the background to the weather's impacts.

'It's the areas spared during our Black Summer that we need to worry about,' she told news.com.au.

'Given that 2020 is on track to be among the globe's warmest on record it is possible that we could see above average temperatures in Australia that may favour summer bushfires.'

The summer bushfires of 2019 and early 2020 killed an estimated three billion animals, excluding fish, across Australia.

During the last La Niña between 2010 and 2012, the weather bureau said Australia had one of the 'wettest two-year periods on record'.

'Widespread flooding occurred in many parts of Australia associated with the record rainfalls,' it said.

The Bureau of Meteorology has officially declared the first La Niña event since 2010 to 2012, when floods ravaged Queensland, killing 33 people.

Read more

Wild weather batters SA, Tasmania and Australia's east coast .
The Bureau of Meteorology has issued severe weather warnings for Victoria, South Australia and Tasmania, along with New South Wales.Victoria, South Australia and Tasmania have copped the brunt of the conditions in recent days following the formation of a La Nina event and a massive low pressure system spanning much of the country.

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