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State by state bushfire risk

Successive seasons of high rainfall in some areas and a long dry spell in others have delivered a mixed bag of increased bushfire threats for southern Australia this year.

A two-year rain deficit and a predicted warm, dry spring will increase fire risk in forested areas along the eastern seaboard and southwest Western Australia over the warmer months, the Bushfire and Natural Hazards Co-operative Research Centre has predicted.

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But higher-than-average rainfall has increased the grass fires risk on the Nullarbor Plain, in the mid-west and desert regions of WA and much of South Australia’s Eyre Peninsula and mid-north.

“The forested area in the east – that covers southern Queensland, most of eastern NSW and down through into Victoria – is largely driven by rainfall deficits over a long period of time,” centre CEO Dr Richard Thornton told AAP.

“That is leading to much higher than normal levels of potential for fire in the coming year.

“The south central parts of WA, through the midwest and the desert region, is dominated by a fairly wet period that has caused the grass to grow in this area.”

Dr Thornton said it is unlikely that even big rain events like those experienced in Queensland and NSW in recent weeks will alter the outlook.

“We’ll always get rainfall somewhere. What it will do is delay the onset a bit in general, but a few good, hot days will dry that out,” he said.

Dr Thornton urged southern Australians to prepare now for the bushfire season.

“It’s never too early to start to prepare. There is physical preparation that you can do and there is a bunch of other things you can do like your fire plans,” he said.

“Make sure you’ve got them written down, know what you are going to do if a fire threatens, no what your triggers are going to be.”

The centre’s ninth Southern Australia Regional Bushfire Outlook report, released on Tuesday, combines Bureau of Meteorology rainfall and temperature statistics and seasonal forecasts with advice from state and territory emergency service agencies.

BUSHFIRE RISK BY STATE/TERRITORY:

ACT: Strong winter grass growth, predicted above average spring temperatures and lower recent rainfall suggest above normal bushfire risk.

NSW: Well below average rain and warm temperatures to August drying heavy forest fuels but reducing grass growth. Dry, warm spring expected in south. Above normal fire conditions expected in the east.

QLD: Drought has curbed grass grown and grass fire risk but forest fuels are drying out. Above normal fire potential in much of southeast.

SA: Increased grass fire risk in parts of north west Pastoral, west coast, eastern and lower Eyre Peninsula, Flinders and mid-north with grass growth from above average rain. Likely longer fire season.

TAS: Above normal potential for fires expected only in Swansea/St Helens/Fingal region.

VIC: Above average fire risk expected in much of central, north and western Victoria. Early and slightly more active fire season than last summer expected.

WA: Low rain, dry soil and high fuel loads increases fire risk in southwest forests. Above average rain in the mid-west, south and desert regions produce higher grass fire potential.

Source: Bushfire and Natural Hazards CRC

Topics: Bushfires
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