‘Unseasonable': Cold snap sets stage for wild bout of wet weather in Qld, NSW Cold snap sets stage for ‘unseasonably' wild weather
Australia's east coast is gearing up for a bout of 'unseasonable' wet conditions, as a new surface trough threatens to dump rainfall totals up to 300mm over the next week.
A new surface trough forming in Far North Queensland is forecast to bring wet weather through the Sunshine State over Saturday, building through the day all the way from the Gulf Coast, according to the Bureau of Meteorology.
BOM Meteorologist Jonathan How said this was 'unseasonable' due to Far North Queensland being in the dry season.
'As we head into Sunday, we see showers and areas of rain building all the way down the coast towards Mackay and Rockhampton,' he said.
Cloud cover and rain systems are expected to remain in the area as the system heads further south, with some areas likely to experience between 10-25mm on Monday night and in the early hours of Tuesday morning.
Over Monday, the rain system is expected to creep into southeast Queensland and then northeast NSW.
Weatherzone states rainfall accumulations of 100-200mm are possible over a period of 36-48 hours to Thursday next week, across parts of the Mid North Coast and Hunter, possibly extending as far south as the South Coast.
'The deep feed of moisture coming off the Tasman Sea could interact with local topography around the Mid North Coast, Hunter and Central Coast, with rainfall totals reaching 300mm possible in some parts,' a Weatherzone spokesman said.
The low pressure system is forecast to move down past the New South Wales Central Coast on Tuesday, bringing heavy rain to parts of the Hunter, the Illawarra and Sydney.
The system is also expected to intensify as it makes its way past Sydney, so damaging winds and lashing coastal wave patterns can be expected until Wednesday at the earliest and possibly even Thursday.
It is understood the NSW State Emergency Service is currently engaged with the Bureau of Meteorology to make sure its various branches, particularly those along coastal NSW, are appropriately informed, equipped and prepared to tackle any situations which would be most likely to arise late on Tuesday or throughout Wednesday.
An SES spokesperson said the organisation was 'encouraging residents to stay informed about possible severe weather next week'.
'The Bureau of Meteorology advises a low-pressure system might develop off the NSW Coast, which could impact NSW from as early as next Monday through to Thursday, depending on where it forms,' the spokesperson said.
'Potential impacts include widespread moderate to heavy rainfall, thunderstorms, damaging winds along the NSW Coast and large powerful surf. Coastal riverine and flash flooding may occur.'
'We do not know exactly where or if it will, but we are preparing SES personnel and assets right along the NSW Coast. There is a high degree of uncertainty as to whether the low will form close to the coast or further offshore.'
An operational update published on Thursday said the SES had received more than 1,400 calls and responded to several hundred incidents 'as damaging winds lashed the Illawarra South Coast, Snowy Mountains, Blue Mountains, Sydney Metro and parts of the Central Coast and Hunter'.
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