Extreme weather conditions on Christmas Day across Australia

Extreme weather conditions on Christmas Day across Australia

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Australians will face starkly contrasting weather conditions on Christmas Day, with severe storms threatening Queensland, unusual cold forecast for Melbourne and extreme heat fueling concerns about bushfires in Western Australia.
The Bureau of Meteorology (BoM) has issued a series of warnings in multiple states, highlighting dangerous thunderstorms, flash floods and damaging winds in the east, while heatwave warnings and increased fire danger ratings come into effect in the west.
Authorities say the split forecast reflects a complex mix of tropical moisture, southerly systems and a deepening trough on the West Coast, creating dangerous conditions for those traveling during the holiday season.

Queensland’s north, east and south-east are expected to be hardest hit by storms, Victoria’s capital is likely to experience one of its coldest Christmas holidays on record and Perth is bracing for temperatures to reach the 40s.

Emergency services are urging Australians to stay informed, plan ahead and remain alert as extreme weather events unfold across the country.

Queensland is on alert as Christmas storms intensify

Queensland is bracing for an unstable and potentially dangerous Christmas period, with severe weather warnings in place across large parts of the state’s north, east and south-east.
Meteorologist Sarah Scully said on Tuesday a “developing monsoon trough” was moving deep tropical moisture across northern and eastern Australia, creating conditions for severe thunderstorms.

She said water vapor images showed exceptionally high humidity – a key ingredient for storm development – stretching across northern Australia and northeastern New South Wales.

Storm activity over the past 24 hours has already brought intense rainfall, with Scully noting “heavy 24-hour totals of more than 100 millimetres”, including “214 millimeters at Byron Bay” in far northern NSW.

Severe thunderstorm warnings are in place for parts of the Wide Bay Burnett, Capricornia, Central Highlands and Coalfields, where heavy rainfall could lead to flash flooding. Areas near the NSW border are also at risk of damaging winds and hail.

Severe thunderstorms are forecast for large parts of Queensland. Source: MONKEY / .

“Those are wind gusts over 60 miles per hour,” Scully said, with “a risk of large hail.”

Flood warnings remain in force across western Queensland and eastern parts of the Northern Territory as repeated days of rain saturate catchments and rivers begin to rise.

“The terrain is becoming wet and the catchments are becoming soaked,” Scully said, warning that roads could be cut and communities isolated in the coming days, with both flash and river flooding possible.

Melbourne trades summer heat for winter heat

As northern Australia braces for storms, Melbourne is preparing for a cool and subdued Christmas, with a forecast high of just 17 degrees Celsius under cloudy and windy skies.

A woman in black winter clothes walks along the Melbourne skyline on a cold morning.

Cool temperatures are forecast for Melbourne. Source: MONKEY / Diego Fidele

If temperatures fail to rise above that level, it would be Melbourne’s fourth coldest Christmas day since records began in 1855 – a stark difference from last year’s festive heat, when the city reached 33 degrees Celsius.

The chilly outlook follows a cool start to summer, with Melbourne recording a high of just 16 degrees Celsius on December 1, making it the coldest first day of summer since 1996.
While the long-term average temperature on Christmas Day in Melbourne is 25.6 degrees Celsius, the city’s festive weather is notoriously unpredictable and fluctuates widely from year to year.

This year, Victorians are more likely to reach for sweaters than sunscreen.

Heatwave in WA increases risk of bushfires over Christmas

In Western Australia, authorities are warning of extreme heat and dangerous fire conditions that could develop over Christmas.

Senior BoM meteorologist Robert Lawry said a deepening west coast trough was creating “very warm conditions” along the west coast, including Perth and the south west.

“We have three very warm days,” Lawry said Tuesday, referring to Tuesday, Christmas Eve and Christmas Day.
He said Perth was forecast to hit 39 degrees Celsius on Christmas Eve and 41 degrees Celsius on Christmas Day, with the heat accompanied by “strong and gusty easterly winds” and “very light sea breezes”.
Lawry said there was also “a small risk of thunderstorms for Perth on Christmas Day”, before conditions ease on Boxing Day as the trough moves inland.

Emergency services warned that the hot and windy conditions could significantly increase the risk of bushfires in the south-west land division.

“We have more difficult and challenging firefighting ahead,” said Deputy Commissioner of Fire and Emergency Services Craig Waters, warning that gusty winds could lead to “increased bushfire behavior.”
Authorities urged Western Australians to stay informed, prepare contingency plans and be ready to act if threatened.
“Our message is to highlight all conditions in your area,” Waters said, warning that “fires could start anywhere in the state.”

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