National Weather: Australia Day weather, cyclone possible in WA

Wet and stormy weather is expected to hit several states this week, with wild conditions refusing to take a break for the Australia Day holiday.

NSW

Spectacular thunderstorms were spotted over Sydney on Tuesday evening. Around 9 p.m., lightning began to streak across the sky before the evening storms set in.

Millions are expected to go out in the sun on Australia Day but Sydneysiders have been warned to prepare for a change in the afternoon.

“A warm and mostly sunny morning will tempt millions of people to get outdoors in the Greater Sydney region,” Weatherzone meteorologist Ben Domensino said.

“But the pleasant morning weather will mask the threat of afternoon thunderstorms that could become severe.”

Storms will develop around the mountain ranges and western parts of Sydney beginning in the afternoon, threatening damaging winds, heavy rain and large hail.

Sydney is expected to hit a high of 31C in the city and 35C in the west, with humidity remaining high.

Victoria

Flash flooding and power outages hit Victoria Tuesday afternoon after severe thunderstorms developed.

At least 24mm of rain fell over Geelong Racecourse in the 90 minutes to 3.30pm.

More than 3,000 homes were without power when lightning struck the area.

Weatherzone meteorologist Anthony Sharwood said storms remain a possibility across most of eastern Australia in the coming days.

Cloudy skies and drizzle are expected to sweep through southern Victoria on Thursday before moving north across the border.

WA

Tropical Cyclone Freddy is likely to develop in Western Australia on Saturday, bringing damaging wind gusts and significant rainfall.

Should the cyclone develop, it could bring gusts of up to 125 km/h and heavy rain.

Modeling suggests that a short and severe soak could see between 150 and 300mm of precipitation in 12 to 35 hours.

SO

The weather in South Australia remains good for most of the week before a chilly shift brings significant rainfall into the weekend.

Temperatures will remain below 30C ahead of Friday when sweltering heat grips Adelaide.

The mercury could reach 37C before the weekend.

A band of rain will “steam” through the state on Saturday morning, according to Sky News meteorologist Alison Osborne.

Queensland

Damp and “choppy” conditions are forecast for south-east Queensland as Australia Day kicks off.

Showers may develop in the afternoon, concentrating on areas further inland while coastal areas could be spared.

They’ll likely stay over the lower end of the state through Friday before clearing ahead of the weekend.

Temperatures will remain in the low 30s for the remainder of the week.

Tasmania

Hobart is currently warm, with a high of 26C expected on Wednesday, although a chilly change is on the horizon.

Tasmanians celebrating the bank holiday will have to brace for cooler temperatures with a high of 21C.

The weather is expected to warm up again by the end of the week before cloudy skies return.

PLOT

Partly cloudy conditions are expected for the nation’s capital, although temperatures are expected to remain above 30C.

There is a slight risk of showers on the holiday with wind speeds of up to 20 km/h in the late afternoon.

Skies are expected to clear by Saturday with sunny, warm conditions expected.

N.T

The rainy season continues to lash the Northern Territory, where hot, steamy weather is combined with sustained rainfall.

Up to 15 mm of rain is expected on Wednesday and Thursday.

Temperatures remain above 30°C throughout the week.

Originally posted as Humid, unsettled conditions that produce summer storms

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