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Offline Colmait  
#101 Posted : Monday, 11 March 2024 6:34:45 AM(UTC)
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11 days into March and Autumn and we are still stuck in the same rut of high temperatures and some showers. The same pattern is set to continue this week although the overnights are a little better heat wise. The Coastal areas over the last few days have really coped some very strong winds which as set to prevail over the next few days as they ease.

Australia's most dominant climate driver, La Niña, has a strong chance of reforming sometime in 2024, which once again would favour a wet year.

The prediction of La Niña's possible return comes as global weather models forecast a rapid cooling of sea surface temperatures(SST’s) across the equatorial Pacific during the coming months. NOAA has detected small pockets of cold water in the Coral sea in the last week or so.

It is not a foregone conclusion that it will occur but one that we will have to watch and see what eventuates.

IMG_3806.jpeg

IMG_3793.png
Colin Maitland.
Offline Colmait  
#102 Posted : Thursday, 14 March 2024 6:10:33 AM(UTC)
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We are still stuck in this ongoing cycle of weather of warm days , possible showers but at least the nights are a little more bearable. It has been a very hot start to Autumn. Some big surf has been going off on the Coast over the last week with some erosion taking place.

We may see the formation of a cyclone of Northern WA in the next day or so and a low in the Gulf.
One model had enormous amounts of rain from the low from the Gulf heading down through Central Queensland and crossing the South East Coast and NE NSW.

Just have to keep an eye on the updated runs to see what happens. Below is the latest 4 day forecast.

IMG_3809.jpeg
Colin Maitland.
Offline Aussie Girl  
#103 Posted : Thursday, 14 March 2024 11:41:35 AM(UTC)
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Originally Posted by: Colmait Go to Quoted Post
We are still stuck in this ongoing cycle of weather of warm days , possible showers but at least the nights are a little more bearable.




This ongoing cycle seems never ending. We are having showers on and off here nearly every day and the ground is getting saturated. More showers are forecast for every day except tomorrow for the next week.

Edited by user Thursday, 14 March 2024 11:42:26 AM(UTC)  | Reason: Not specified

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Colmait on 14/03/2024(UTC)
Offline Colmait  
#104 Posted : Thursday, 14 March 2024 4:48:21 PM(UTC)
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Originally Posted by: Aussie Girl Go to Quoted Post
Originally Posted by: Colmait Go to Quoted Post
We are still stuck in this ongoing cycle of weather of warm days , possible showers but at least the nights are a little more bearable.




This ongoing cycle seems never ending. We are having showers on and off here nearly every day and the ground is getting saturated. More showers are forecast for every day except tomorrow for the next week.


Hi Aussie Girl

Totally agree with you. Showers have been a little heavier than BoM’s forecast for here too. Even Mt Stapylton radar seemed to be a little light with this morning’s sweep around 07:30. Showers were a little heavier than it picked up on. I didn’t get a chance to look at the Marburg radar this morning. Since the upgrade it has been outperforming Mt Stapy.

Colin Maitland.
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Aussie Girl on 14/03/2024(UTC)
Offline Colmait  
#105 Posted : Thursday, 14 March 2024 5:07:05 PM(UTC)
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Just reading the long range temperature for Min and Max temperatures from April to June. Not happy. If it pans out we are in for more hot weather in most areas of Australia.
Extract from BoM

Warmer April to June days and nights likely for Australia

IMG_3810.jpeg. IMG_3811.jpeg

For April, maximum temperatures are very likely (greater than 80% chance)to be above median for western and eastern Australia and likely (60 to 80%) above median for most remaining areas.
For April to June, above median maximum temperatures are very likely (greater than 80% chance) for almost all of Australia.
For April, above median minimum temperatures are likely to very likely (60% to greater than 80% chance) for most of Australia, except South Australia and surrounding border regions.
For April to June, above median minimum temperatures are very likely (greater than 80% chance) for almost all of Australia, except for inland parts of the southern mainland where the chance reduces to likely (60 to 80%).
For April to June, Australia has an increased chance of unusually warm maximum temperatures, with the chance being at least 3 times more likely than normal for most of the northern half of Australia, south-west Western Australia, north-east New South Wales and Tasmania. Unusually high maximum temperatures are defined as the warmest 20% of April to June days from 1981 to 2018.
For April to June, Australia has an increased chance of unusually warm minimum temperatures, with the chance being at least 3 times more likely than normal for much of the east coast, and northern and far south-eastern Australia. Unusually high minimum temperatures are defined as the warmest 20% of April to June nights from 1981 to 2018.




Colin Maitland.
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Aussie Girl on 18/03/2024(UTC)
Offline Colmait  
#106 Posted : Friday, 15 March 2024 6:12:39 AM(UTC)
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The persistent Ridge over South East Queensland is keeping our weather much the same although today, Friday, may be a little hotter. Then Saturday and onwards temperatures drop a few degrees but still slightly above the average for this time in March.

May see a shower latter tonight for some areas within the thread’s boundaries. Then as Aussie Girl said yesterday, showers will return right through next week.



Colin Maitland.
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Aussie Girl on 18/03/2024(UTC)
Offline Aussie Girl  
#107 Posted : Saturday, 16 March 2024 9:30:06 AM(UTC)
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That is interesting about the Marburg Radar outperforming Mt Stapylton since the upgrade. Will have to check Marburg more often as there has been a few occasions recently that my husband and I felt the Mt Stapylton wasn't showing what was actually happening.

The weather at the moment is quite pleasant. Even though yesterday was warm there was a nice breeze most of the day. Today is forecast to be cooler and again we have a lovely breeze blowing.
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Colmait on 16/03/2024(UTC)
Offline Colmait  
#108 Posted : Sunday, 17 March 2024 1:57:34 PM(UTC)
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Just an update as regards to our upcoming weather pattern and the chances of a return to La Nina are now even higher. BoM are still lagging behind with their predictions. They only like to venture out to about 5 months and then they have stringent conditions that have to be met before they will declare an event such as a Neutral, El Nino or La Nina pattern etc.

Where as NOAA using a multi modelling system have an 80+% chance of a return to La Nina. The forecast is well above La Niña's average occurrence of once every four years, and if it comes to fruition would represent the fourth La Niña in five years, a frequency only seen twice previously since 1900.

NOAA has the possibility of La Nina forming as early as June. So basically Australia will once again see enhanced rainfall.

Below is the NOAA prediction chart indicating the phases and the months it is expected.

IMG_3816.jpeg

Unfortunately for myself I have lost a bit of confidence in BoM and find NOAA to be a little more on the ball and they have a better advanced weather guidance system. So time will definitely let us know who was on the ball.
Colin Maitland.
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Aussie Girl on 18/03/2024(UTC)
Offline Colmait  
#109 Posted : Monday, 18 March 2024 6:18:00 AM(UTC)
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Some good falls overnight through out parts of the South East. 12 mm here just a touch North of Brisbane.
Below is the Marburg radar at 06:15 and Mt Stapylton rain totlas.

IMG_3819.jpeg

IMG_3820.jpeg
Colin Maitland.
Offline Aussie Girl  
#110 Posted : Monday, 18 March 2024 11:05:09 AM(UTC)
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Today is a drizzly and showery day here again unfortunately. Temperature is very comfortable though.

Can I ask about the two posts above regarding the rest of the year - is the outlook for warmer days and nights until June and then cooler and rainy for the rest of the year due to a possible La Nina?


Originally Posted by: Colmait Go to Quoted Post
find NOAA to be a little more on the ball and they have a better advanced weather guidance system.



I just had a look at the NOAA website that you refer to. It is amazing with so much information.
Offline Colmait  
#111 Posted : Tuesday, 19 March 2024 8:42:45 AM(UTC)
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Originally Posted by: Aussie Girl Go to Quoted Post
Today is a drizzly and showery day here again unfortunately. Temperature is very comfortable though.

Can I ask about the two posts above regarding the rest of the year - is the outlook for warmer days and nights until June and then cooler and rainy for the rest of the year due to a possible La Nina?


Originally Posted by: Colmait Go to Quoted Post
find NOAA to be a little more on the ball and they have a better advanced weather guidance system.


That is right if everything goes to plan. Just the “ when will La Niña kick in ? Is ”the hot dispute at this point. At this stage we should expect the hotter than average temps until Ju

I just had a look at the NOAA website that you refer to. It is amazing with so much information.


Hi Aussie Girl,

That is right if everything goes to plan. Just the “ when will La Niña kick in ?” is the hot dispute at this point. At this stage we should expect the hotter than average temps until June.

With regards to the La Niña, the usual trend is, due to more cloud cover the day times maximums are typically cooler and the flip side is at night the heat is trapped so the minimums are warmer than average. That is the overall trend. You could still see a week of clear skies and night time temperatures dip into the single digits.

The other problem in trying to work out what the weather will bring us due to what is happening with the climate change, weather can become extreme and unpredictable. I have a few mates in the USA and they had a warm winter by their standards but then they did not see the sun for almost 3 weeks due to heavy cloud cover. They also experienced massive snow storms, with some places having up to 20 feet of snow. There was snow in places where it rarely has ever snowed. So it was bitterly cold for a period then it quickly warmed up again.

So it will be interesting to see what is thrown at us. But the usual trend for La Nina is warmer nights and cooler days during winter and the same with summer max. they generally are lower but the humidity will be higher.

Edited by user Tuesday, 19 March 2024 9:15:31 AM(UTC)  | Reason: Just correcting some grammar

Colin Maitland.
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Aussie Girl on 19/03/2024(UTC)
Offline Aussie Girl  
#112 Posted : Tuesday, 19 March 2024 9:40:52 PM(UTC)
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Thank you for your very interesting reply Colin. It definitely seems to be quite warm for this time of year here.

Edited by user Tuesday, 19 March 2024 9:41:39 PM(UTC)  | Reason: Not specified

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Colmait on 20/03/2024(UTC)
Offline Colmait  
#113 Posted : Thursday, 21 March 2024 6:02:34 AM(UTC)
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Showers again. Still in this Deja Vu cycle of weather. Looking forward to Sunday with a top of 26°C. That is a nice temperature to be honest.

It is also official that 2023 was the hottest year on record with temperatures sitting approximately 1.45°C above the baseline since the preindustrial era.

Once again, Mt Stapylton radar is down. The money pit back in action.

IMG_3828.jpeg

But fortunately Marburg has picked up the nice chunky showers crossing the coast over the Southeast.

IMG_3829.jpeg




Colin Maitland.
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Aussie Girl on 22/03/2024(UTC)
Offline Aussie Girl  
#114 Posted : Friday, 22 March 2024 3:41:58 PM(UTC)
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It has been a lovely temperature here both yesterday and today. It hasn't got over 25 today. Unfortunately though we are back to showers on and off all day.

One thing I noticed yesterday when the Mt Stapylton radar was out of action is that the Marburg radar does not give you the rainfall option. I only realised this when I tried to find out how much rain we had received overnight.
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Colmait on 23/03/2024(UTC)
Offline Colmait  
#115 Posted : Saturday, 23 March 2024 12:07:29 PM(UTC)
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It is a pain with that part of the radar. The other back is the Brisbane Airport but doesn’t have the rainfall totals either unfortunately.

This is the 512K Airport followed by the Mt Stapylton 512K radar. They are both showing rain coming in from the West but the other point is we have 3 options in the South East corner for radars. Pretty good.
Marburg, Mt Stapylton and the Brisbane Airport.

IMG_3831.jpeg

IMG_3832.jpeg

If you are in the Brisbane Metropolitan area I find this site very good.

IMG_3833.jpeg

Colin Maitland.
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Aussie Girl on 23/03/2024(UTC)
Offline Aussie Girl  
#116 Posted : Saturday, 23 March 2024 7:55:25 PM(UTC)
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Thank you for posting the BOM site where the rainfall totals are shown. I had no idea that page existed. (Have so much to learn about the weather and where to find the information).

It is good that there are back up radars available if Mt Stapylton is down.

We are enjoying the cooler weather again today but not so much the cloudy grey skies and showers.

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Colmait on 23/03/2024(UTC)
Offline Colmait  
#117 Posted : Sunday, 24 March 2024 8:53:50 AM(UTC)
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A cool day for Sunday as a Ridge along the East Coast continues to weaken over the next few days along with a deep Trough that is sitting over parts of Western and the Interior of Queensland. The trough is moving very slowly while bringing moisture from the tropics to the the South. It will also enhance rainfall within this area and also give us slightly cooler temperatures from the extensive cloud cover as can be seen by today’s forecast temperature of 23°C. For the rest of the week , temperatures should be around the 26°C. And maybe higher as the trough starts to move by the middle of the week.

The faithful old 4 day chart shows the deepening trough over Queensland and also the ridge (or High) over the Coastal areas that is weakening.

IMG_3835.jpeg

The WATL chart below shows the forecast amounts of rain over the next 8 days but also highlights the extent of cloud cover over the North of Australia.

IMG_3834.jpeg
Colin Maitland.
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Aussie Girl on 25/03/2024(UTC)
Offline Aussie Girl  
#118 Posted : Monday, 25 March 2024 6:47:02 AM(UTC)
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Quite cool and wet this morning. Around 18°C here this morning with a forecast maximum of 22° for today. And more rain coming Sad
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Colmait on 25/03/2024(UTC)
Offline Colmait  
#119 Posted : Monday, 25 March 2024 7:10:33 PM(UTC)
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Just having a look at the updated rain forecast for the next 4 days and some areas could see up to 100mm as per the WATL chart below. Tuesday and Wednesday will see the bigger falls as it tapers off to showers and warmer temperatures from Thursday onwards.

But I definitely have been enjoying the cooler temperatures. Monday morning saw the lowest minimum temperature of the year for Brisbane with a low of 18.9°C.

IMG_3836.jpeg

Edited by user Monday, 25 March 2024 7:13:38 PM(UTC)  | Reason: Not specified

Colin Maitland.
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Aussie Girl on 26/03/2024(UTC)
Offline Aussie Girl  
#120 Posted : Tuesday, 26 March 2024 8:23:15 AM(UTC)
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Slightly warmer this morning at 20°C and non stop drizzle with intermittent heavier showers. Looking forward to being able to see at least one day with just the sun symbol on the 7 day forecast.
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Colmait on 26/03/2024(UTC)
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