Hawks stun Tuatara.

Severe warnings are in place across multiple jurisdictions as a cold front sweeps across southeast Australia, bringing damaging winds, showers, storms and alpine snow.

The Bureau of Meteorology (BOM) issued severe weather warnings for parts of Victoria, NSW, the ACT and Tasmania on Sunday, as the "vigorous westerly flow", which began yesterday morning, moves down to Tasmania.

Broad areas of SA, VIC, NSW, ACT and Tasmania are seeing gusts in excess of 90km/h, according to Weatherzone.

NSW recorded gusts over and around 100km/hour in Nowra at 103 km/h, Albion Park which saw a gust of 98 km/h and Port Kembla, which was battered by a 93 km/h gust.

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People in Illawarra, South Coast, Snowy Mountains, the ACT are being warned that damaging winds with peak gusts of 90 to 110 km/h are likely to continue over parts of the Snowy Mountains throughout Sunday.

A strong wind warning continues for tomorrow for the Illawarra and Eden coasts, south of Sydney.

Blizzard conditions are also hitting areas above 1300 metres, with the NSW National Parks and Wildlife Service recommending backcountry travel be postponed until conditions improve.

https://twitter.com/BOM_au/status/1677506141322985472

In Victoria, a severe weather warning is in place for parts of Central, East Gippsland, North Central, North East and West and South Gippsland

A separate severe warning for damaging surf is in place in the south west and west Gippsland districts.

Down in Tasmania, the BOM is warning that damaging winds averaging 60 to 70 km/h with peak gusts of around 100 km/h are possible over King Island and much of western, central and southern Tasmania.

Weatherzone has forecast that another weaker cold front will skim the southern parts of southeast Australia on Monday, maintaining some gusty winds and further alpine snow showers of another few centimetres, before conditions ease by Tuesday.

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The planet's temperature soared again on Thursday to levels not seen in the modern record-keeping era, marking the fourth straight day of record temperatures.

These alarming new records are likely the highest temperatures in "at least 100,000 years," one scientist told CNN.

The global average daily temperature climbed to 17.23 degrees C on Thursday, according to the University of Maine's Climate Reanalyzer, which uses data from the US National Centers for Environmental Prediction.

READ MORE: Cold front causes severe weather warnings across multiple states

It's been a week of record-breaking temperatures. On Monday, the average global temperature reached 17.01C, the highest in the NCEP's data, which goes back to 1979.

On Tuesday it climbed to 17.18C, where it remained on Wednesday.

Before this week, the record in NCEP's data was 16.92C and was set in August 2016.

Though this week's records are not yet official, another global climate tracking agency confirmed several in its own data.

The European Union's Copernicus Climate Change Service said Monday's and Tuesday's global temperatures were also records in its data, which dates back to 1940.

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While the records are based on observational data sets that only go back to the mid-20th century, they are "almost certainly" the warmest temperatures the planet has seen over a much longer time period, according to Jennifer Francis, a senior scientist at Woodwell Climate Research Centre.

Francis estimated that this week's temperatures are the warmest "probably going back at least 100,000 years," calling the records "a huge thing."

Scientists know this because of the many millennia of climate data extracted from proxies like tree rings, ice cores and coral reefs – data that is a cornerstone to their understanding of the climate system and how humans have contributed to rapid global warming since the industrial revolution.

Robert Rohde, a lead scientist at Berkeley Earth who was one of the first to share that global temperatures were soaring this week, told CNN it's very likely that "we're going to keep seeing more of these records fall".

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July is typically the planet's hottest month, but temperatures are already in overdrive because of the combination of El Niño – a natural climate phenomenon in the Pacific Ocean – and the human-caused climate crisis, which is driving global temperatures steadily higher.

"It's not a record to celebrate and it won't be a record for long, with northern hemisphere summer still mostly ahead and El Niño developing," Friederike Otto, senior lecturer in climate science at the Grantham Institute for Climate Change and the Environment in the UK, said earlier this week.

"It just shows we have to stop burning fossil fuels, not in decades, now," Otto said. Temperature records aren't just numbers, "but for many people and ecosystems it's a loss of life and livelihood."

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A woman has died after a tow truck she was travelling in left the road and slid down an embankment in NSW's Snowy Mountains.

Police said they were called to the Snowy Mountains Highway at Kiandra, south-east of Talbingo, around 7:30 pm last night after receiving reports of the crash.

The tow truck had been towing a ute when the accident occurred.

READ MORE: Cold front causes severe weather warnings across multiple states

The woman had been travelling in the cabin of the truck and died at the scene, while the driver was taken to Canberra Hospital in a serious condition after becoming trapped.

The 29-year-old female owner of the ute and her young son escaped with minor injuries.

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They've been taken to Cooma Hospital to be checked as a precaution.

The crash forced the closure of the thoroughfare for more than eight hours.

All lanes of the Snowy Mountains Highway opened about 4am with all diversions lifted.

Anyone with information is urged to contact Crime Stoppers.

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Three teenagers have been charged with murder after a 14-year-old boy was allegedly hit by a car then stabbed to death in Melbourne's north-west.

Ethan Hoac was walking home with two friends on Bailey Street in St Albans – a quiet residential street – about 11pm on June 26 when a car allegedly struck him.

Two masked males allegedly got out of the car and and assaulted him, leaving him on the road with stab wounds.

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Hoac was treated by paramedics at the scene but died on the way to hospital.

Police yesterday arrested an 18-year-old Tarneit man, a 17-year-old Wyndham Vale boy and a 17-year-old Deer Park boy after carrying out search warrants in in Wyndham Vale, Deer Park and Fitzroy.

The three males have since been charged with murder and faced a children's court today.

Hoac has been remembered by loved ones as a "sweet and amazing friend" who attended Braybrook College in Braybrook.

The two teenage boys who were with Hoac at the time of the attack were physically uninjured.

They fled the scene and contacted police immediately.

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