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15-12-2020
Bureau Report
SYDNEY/ CANBERRA: Australian authorities have issued evacuation warnings for low-lying towns in northern New South Wales (NSW) as storms and floods batter the nation’s east coast.
On Tuesday, emergency officials said they had fielded about 150 calls for help in the past 24 hours.
Huge swells pummeled the coasts of NSW and south-east Queensland on Monday, causing major erosion.
An already depleted beach at Byron Bay – a popular holiday spot – had all but disappeared, locals said.
Authorities said the storm had moved south on Tuesday, bringing the threat of flooding to inland NSW.
They told communities around the Tweed River to evacuate on Tuesday, after it burst its banks. Some electricity, internet and other utility networks were also disrupted.
Meteorologists say the system has already released an amount of rain similar to a cyclone – about 1,000mm over four days.
Australia is currently experiencing a La Niña weather pattern, which typically brings more rainfall and tropical cyclones during the nation’s summer.
Heavy rain affected a 1,000km (620 miles) stretch of Australia’s east coast – including Brisbane and the Gold Coast – but was expected to ease late on Tuesday.
In one area, Upper Springbook in Queensland, close to a metre of rain had fallen since Saturday, the Bureau of Meteorology said.
The NSW State Emergency Service said it had carried out 12 flood rescues so far, warning people to stay indoors and avoid driving through floodwaters.
Some roads in the area between Tweed Heads and Taree were forced to close due to floods.
On Monday, authorities in Queensland warned that they had seen 
“abnormally high” tides up to 30cm higher than normal. All beaches in the area have been closed.
Officials also recorded 8m-high swells and gale force winds exceeding 104km/h (64 mph) at Byron Bay.
About 2,500 calls for emergency assistance have been made across the two states since Thursday, mostly for water damage to homes and for fallen trees and power poles.
There have been no confirmed reports of injuries or deaths, but authorities said they were investigating a man’s death in a car crash on Queensland’s Sunshine Coast.
A La Niña season is historically associated with increased rainfall and floods in Australia.
Two of Australia’s three wettest years on record have been during La Niña events, and floods have been recorded in 12 of the 18 events since 1900.
Typically, La Niña sees a 20% increase in average rainfall from December to March in eastern Australia, says the Bureau of Meteorology.
However scientists say that climate change is also intensifying La Niña’s impact, and making weather patterns more erratic.
NSW Premier Gladys Berejiklian – whose state was worst-hit in last summer’s bushfires – said experts were expecting conditions to be “worse than what we have seen in quite a number of years”.
“I am hoping what we have seen over the last few days won’t be repeated frequently over summer but it could,” she said on Tuesday.
“I know for many residents in northern NSW, they are used to flooding conditions, but what the bushfire season taught us last year is to expect the unexpected.”
