Rainfalls of up to 300mm are expected across large parts of southeast Queensland and NSW over the next three days, meteorologist Ben Domensino has warned.
The drenching will move from southeast Queensland into NSW, with a flood warning for Western Sydney throughout Friday.
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On Thursday, Domensino told Sunrise viewers the rain currently soaking southern Queensland is already moving south.
“At the moment, the thunderstorms have already started in southern Queensland,” Domensino said.
“Overnight, we had falls in excess of 100mm in parts of southeast Queensland, just to the southwest of Brisbane — that system will move its way down through NSW over the next few days.
“We’re looking at widespread rainfall totals of about 50mm to 100mm from southern Queensland over northeastern, central and southern NSW — we could have a few pockets where we see falls reaching around 100mm to 300mm — with most of the rain expected to fall between Friday and Saturday.”
Domensino said Sydney will be in the firing line of the weather system.
“What’s happening is the system is making its way down from Queensland and then a low-pressure trough near the coast is expected to intensify on Friday,” Domensino said.
“Sydney will see rain throughout Thursday and then start to pick up on Friday when, into the afternoon and the evening, we could have intense rain and damaging winds.”
The low-pressure system is drawing huge amounts of moisture from the Tasman Sea, where warmer water could be adding to the rainfall totals, Domensino said.
“The ocean water in the Tasman Sea is 1c to 3C warmer than average for this time of year ... that’s providing extra fuel for the rain-bearing system,” he said.
“We could see heavy rain, flash-flooding in the Hawkesbury, Nepean River system, and Illawarra, and damaging winds and hazardous surf over the next few days.”
Here is the three-day forecast for Australian capital cities:
Sydney
Friday’s forecast is for a top temperature of 24C with rainfall between 25mm to 100mm.
The Bureau Of Meteorology says: “Cloudy. Very high chance of rain. The chance of a thunderstorm. Heavy falls possible. Winds southeasterly 15km/h to 20km/h turning easterly 20km/h to 30km/h during the morning, then increasing to 25km/h to 40km/h in the late afternoon.”
Saturday is forecast to hit 26C with 6mm to 50mm of rain.
BOM says: “High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm. Heavy falls possible. Winds easterly 25km/h to 35km/h tending northeasterly 20km/h to 30km/h during the morning then becoming light during the evening.”
Sunday is expected to be sunnier with a top of 28C.
BOM says: “Mostly sunny. The chance of fog in the outer west in the morning. Light winds.”
Melbourne
The Victorian capital will be drier than its NSW counterpart.
Friday is forecast for a top temperature of 21C and partly cloudy, with no rain predicted.
Saturday brings a wet change with a maximum of 21C and a shower or two predicted.
BOM says: “Cloudy, medium chance of showers, most likely in the morning and afternoon. Winds east to southeasterly 20km/h to 30km/h tending south to southeasterly 15km/h to 20km/h during the day then becoming light during the evening.”
On Sunday, the city will reach a maximum of 21C, with a shower or two. of up to 4mm.
BOM says: “Cloudy, high chance of showers. Winds west to southwesterly 15km/h to 20km/h tending south to southwesterly during the afternoon then becoming light during the evening.”
Brisbane
The Queensland capital is set for a wet weekend.
Showers are expected on Friday, with falls of between 6mm and 25mm and a maximum of 27C.
On Saturday, a top of 27C and 4mm-25mm of rain is expected.
BOM says: “Cloudy, very high chance of showers. The chance of a thunderstorm. Light winds becoming northeasterly 15km/h to 20km/h during the morning then becoming light during the afternoon.”
Sunday is forecast for a top of 28C and up to 20mm rain.
BOM says: “Cloudy. High chance of showers. The chance of a thunderstorm. Light winds.”
Perth
Perth is expected to have fine weather over the weekend with a top temperature of 32C and no rain forecast across all of Friday, Saturday and Sunday.
Adelaide
The city of churches is also expected to have mostly fine weather.
Friday and Saturday are expected to hit tops of 24C and 25C respectively, with no rainfall expected either day.
BOM says: “Partly cloudy. Winds southeasterly 15km/h to 20km/h becoming light during the morning then becoming southeast to southwesterly 15km/h to 25km/h during the afternoon.”
Sunday will reach a top of 23C, with a 20 per cent chance of rain.
“Cloudy. Slight chance of a shower, most likely in the afternoon and evening. Winds southerly 15km/h to 20km/h tending southwesterly during the morning then becoming light during the evening.”
Hobart
The capital of the Apple Isle is set for mild weather but a wet Sunday.
Friday is forecast to be 20C. and partly cloudy, with light winds.
Saturday is 22C, again partly cloudy with a slight chance of a shower and light winds.
Sunday’s forecast is for a top of 20C with up to 9mm of rain.
“Cloudy. High chance of showers. Light winds becoming south to southeasterly 15km/h to 20 km/h during the afternoon, then becoming light during the evening.”
Canberra
The nation’s capital will also be wet this weekend.
Possible heavy rainfalls of 10mm-40mm are forecast for Friday, with a top of 19C.
BOM says: “Cloudy, very high chance of rain, most likely in the afternoon and evening. Heavy falls possible. Winds southeasterly 15km/h to 20 km/h becoming light before dawn, then becoming southeasterly 20km/h to 30km/h early in the morning.”
Saturday is forecast to reach a top of 22C, with possible rainfalls of 10mm-45mm.
“Cloudy, very high chance of rain, most likely in the morning and afternoon. The chance of a thunderstorm. Heavy falls possible. Winds southeasterly 20km/h to 30km/h becoming light during the morning.”
Sunday will reach a maximum of 23C with only 3mm rain expected.
“Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. Light winds becoming northwesterly 15km/h to 20km/h during the day then becoming light during the afternoon.”
Darwin
Rain is also forecast in the Top End, with showers of up to 4mm expected along with a top temperature of 34C on Friday.
BOM says: “Partly cloudy. Medium chance of showers. Light winds becoming southeasterly 15km/h to 20km/h in the morning, then becoming light in the middle of the day.”
Saturday will reach a top of 34C, with a slight chance of showers and just 1mm rain expected.
Sunday’s forecast is a top of 33C, with a slight chance of a shower up to 1mm.
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2024-04-04 08:35:38Z
CBMikAFodHRwczovLzduZXdzLmNvbS5hdS9zdW5yaXNlL3JhaW4tYm9tYi13YXJuaW5nLWFzLWF1c3NpZXMtdG9sZC10by1icmFjZS1mb3ItZmxhc2gtZmxvb2RpbmctYW5kLXNldmVyZS10aHVuZGVyc3Rvcm1zLWluLXNldmVyYWwtc3RhdGVzLWMtMTQxODk1MDLSAQA
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