Up to 200mm of rain expected by the end of the week

FLASH flooding and "gale force winds" could be in store for Mackay this week, with up to 200mm expected towards the end of the week.

Bureau of Meteorology forecaster Chris Joseph said from midweek onwards, a few showers would kick off the "significant" wet weather event.

"From Thursday, we're looking at increasing rainfall, much of Thursday and Friday through the weekend due to an upper level trough system that's going to be pushing through," Mr Joseph said.

"It's likely to drag tropical moisture down through central coast areas, especially later in the week and through the weekend."

Mr Joseph said it would be "pretty heavy rain" at times through the weekend, anywhere along the coast south of Innisfail right down through the central coast through Capricornia region.

The Bureau is predicting big rain for Mackay at the end of this week, the heaviest of which will be on Friday.
The Bureau is predicting big rain for Mackay at the end of this week, the heaviest of which will be on Friday. Cas Garvey

"We're looking at 24-hour totals between 50-100 mm in places between Friday and Sunday so there's a little bit of uncertainty with computer models where the heaviest rainfalls will be," he said.

"But certainly through those areas of the coast, inland parts of the region as well from midweek onwards."

The Bureau urges people to heed advice and any warnings, with care needed to be taken in flood-prone areas.

"With that kind of rainfall we could see localised flash flooding and river rises most definitely, so our advice to the public is to look at the latest forecast and any warnings issued," Mr Joseph said.

"With this system you could see some very strong winds over coastal waters, from around Thursday onwards you could see strong winds, so for the boaties this could be very significant.

"Maybe even gale force winds later in the week is a possibility so it's a pretty serious system we are expecting. It's all going to happen later in the week."

Mr Joseph said there was a chance of a surface low pressure system to develop offshore close to the central coast area.

"That could have a focal point for the rainfall if that happens," he said.

"But the systems should clear by Monday, so most of the heavy weather should be off the coast by then."

He said the wild weather isn't entirely out of the ordinary for this time of year.

"We do see rainfall like this during winter at times and we have seen this during the last month with similar systems, so it's not unusual, we do see these upper level troughs that can amplify through the tropics," Mr Joseph said.

Topics:  bureau of meteorology rain weather

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