Australia’s east is dripping wet with a new weather threat set to deliver a month’s rain in the next few days triggering flash flooding.
Most areas in the east are awash with flash flooding alerts for various parts of central Queensland. Forecasters are warning that a second series of heavy downpours emanating from the west to east throughout the country might extend its deluge, causing heavier floods in the coming week.
Several locations are expected to experience showers of about three times’ of March’s totals in just a few days. It’s nearly certain that many parts of the New South Wales coast extending to the southern Queensland will exceed their average monthly falls this coming week.
“Huge amounts of rain could fall over the next eight days,” Tom Saunders a senior meteorologist reported.
However, WA is currently experiencing hot weather as its low-intensity heatwave over Perth rocketing temperatures into peaks of thirties.
On Wednesday morning, some residents of Queensland were urged to move to higher grounds after few towns in central parts of the state were battered by over 130mm in a span of three hours overnight.
The Central Highlands Regional Council issued an emergency flood warning for those in Sapphire, northwest of Emerald, just before 5am, urging the residents to move to higher grounds the soonest possible.
More than 215mm of rainfall was received in the Gemfields at night, with the Retreat Creek mounting 9m within four hours. The neighbouring Clermont received 129mm of rainfall, its highest in a period of two years.
“This rain is being caused by a strong high to the east of Tasmania. Winds blow anticlockwise around highs and as a result of very humid easterly from the Tasman Sea and the Coral Sea, that’s pumping moisture into this trough line over the east, and that’s what’s causing the rain,” Mr Saunders explained.
The next few days will see the intensity of showers subside in Queensland. The heavier showers will then shift elsewhere to the south towards the north and mid-coastal region of New South Wales where a peak of 200mm is expected in just six days.
This amount of rainfall is more than adequate to trigger localised flash flooding. Some of the deluge is also likely to find its way to Sydney.
New Rainfall Band Fast Approaching
The system triggering the ongoing incessant rain has already arrived yet there’s an impending moisture monster on the way; and it’s most likely that the heavy falls won’t be going anywhere.
“A second bout of rain is starting to move across the interior,” Mr Saunders warned.
“It will arrive early next week bringing widespread heavy rain potentially spreading through the southeast inland around him Murray Darling Basin.
“Over the next eight days that could bring over 50mm to north west NSW and south east Queensland, with 200mm for the NSW coast and Sydney likely to see around 100mm of rain.”
Sydney’s rainfall gauge readings so far this month are at 87mm and expected to surpass the normal March rainfall totals by a significant margin with just one week to spare.
Port Macquarie is forecast to receive 200mm which will easily exceed March’s normal 175mm. Cobar in Bourke’s south and further in central New South Wales is set to record 100mm of rainfall next week, three times its monthly average. This kind of rainfall simply means flooding is inevitable.
Sydney is expected to receive heavy downpours every day this coming week with high falls set to batter the region from Thursday to Saturday when up to 50mm is forecast in a single day. The highest rainfall will range in the twenties.
Brisbane should expect a peak of 20mm today. This precipitation is expected to reduce later in the week. The mercury is expected to stand around 30 degrees as the week progresses.
Canberra will receive some showers over the next couple of days but it could become heavier from Saturday when 15mm may be dumped on the capital. Peak temperatures will linger around 20 degrees Celsius.
Northern Australia should also expect some decent rain of between 25-50mm.
Darwin is forecast to receive very heavy rainfall with warm temperatures of 30 degrees on Wednesday when 30mm of rain is also forecast.
Heavier falls are expected in west of Darwin, around the coastal area towards Kununurra.
However, the remaining parts of Western Australia will experience heat. Perth will peak at 31 degrees today but experience a sunnier Friday at 38 degrees Celsius as a heatwave sets in.
Adelaide will be mostly sunny with maximum temp of 30 degrees Celsius. Only scanty rains are expected over populated areas of South Australia.
Likewise, Melbourne is expected to remain mostly dry moving into the weekend and cloudy with highs of about 25 degrees Celsius. Again, some heavier downpours are forecast early next week.
Hobart will receive some sunshine between the clouds with highest mercury readings ranging in the mid-twenties meaning umbrellas won’t be necessary.
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