Brisbane weather: Rain set to exceed November average

Brisbane News

Brisbane weather: Rain set to exceed November average

BY India News Newsdesk
November 29, 2017
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Wet weather southeast Brisbane — Wet weather is expected to linger in the southeast. Courtesy: Mark Cranitch

Flash flooding on the M1 Gateway Motorway at Nudgee has caused traffic delays to spill on to Southern Cross Motorway this afternoon, as the region continues to be battered by heavy rain.

Queensland Traffic has warned long delays are expected on the Gateway Motorway heading north, with the left lane blocked as of 1pm.

Flash flooding has also occurred on Gympie Rd in Carseldine towards Bald Hills, and lanes were reduced on Sandgate Rd near Boondall.

A severe storm warning has been issued for a large area of southern Queensland.

The Bureau of Meteorology issued the warning around noon, saying the Brisbane, Ipswich, Logan, Moreton Bay, Redland and Somerset local government areas, along with the southeast coast, Wide Bay and Burnett, Darling Downs and Granite Belt would be affected.

The warnings came with the southeast in line for a two-day drenching, as the region capped off a wet November.

Two weather systems — a surface trough from the Coral Sea dragging moist air, and an upper trough — are expected to create instability, causing widespread rain today before conditions ease tomorrow.

The possibility of showers is expected to linger through the week, before another system brings the likelihood of storms on Sunday.

The Bureau of Meteorology said that in the past 12 hours, the heaviest rainfall has been inland of the Sunshine Coast and the Brisbane bayside, including Manly, which had received 83mm.

The Brisbane region has received between 20mm and 30mm in the previous 12 hours.

Forecaster Lauren Murphy said Brisbane had notched 74.6mm of rain so far this November, and was expected to exceed the average rainfall for the month (97mm).

The same was true of the Sunshine Coast, where 147.8mm of rain had fallen this month — nearly twice the November average of 81.8mm.

“Spring is a transition season; there’s usually quite a bit of variability year-on-year for these things,” Ms Murphy said.

Temperatures along the southeast Queensland coast are not expected to reach higher than 29C all this week, with lows of around 20C in Brisbane, the Sunshine Coast and the Gold Coast.

THAT’S the word from meteorologists about a looming seven-day downpour that could dump up to 200mm of rain across the Gold Coast over the next week.

Forecasters warn several intense weather systems will develop over the Gold Coast in coming days which are likely to bring 80mm-100mm of rain but could dump as much as 200mm.

Two weather systems — a surface trough from the Coral Sea dragging moist air, and an upper trough — are creating instability, causing widespread rain today before conditions ease tomorrow.

The Bureau of Meteorology predicts up to 55mm of rain could fall on the Gold Coast by the end of tomorrow, bringing the chance of thunderstorms.

But that won’t be the end of the wet weather.

It’ll ease on Friday and Saturday before a super intense system — a surface trough which combines with a cold front from the south and an upper level trough — arrives on Sunday, bringing torrential rain and the likelihood of storms for two days.

“It’ll be a beast, that’s going to bring a lot of rain,” Weatherzone meteorologist Jacob Cronje warned.

“It’s going to be widespread inland and across the coast, you’re going to get smashed.”

Monday is tracking to be the Coast’s wettest day, with Weatherzone modelling forecasting a wet 80mm.

However, the Bureau of Meteorology predicts a more moderate 30mm of rain.

In total a minimum of 34mm and a maximum 200mm of rain could fall across the next week according to forecasters.

If the rain predictions for Sunday and Monday transpire, it could mean the Gold Coast could come close to exceeding the monthly December average of 142mm in just the first three days.

The Gold Coast has recorded 72.2mm of rain so far this November but the predicted downpour could also mean we exceed the average of 121.3mm.

Daytime temperatures are expected to hover around the 29C mark all week.

Source: http://www.couriermail.com.au/news/queensland/weather/brisbane-weather-rain-set-to-exceed-november-average/news-story/d3f5a6391398978e7e34f72a5f17ca1f