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#1469516 - 26/08/2018 07:55 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Rod H Offline
Weather Freak

Registered: 01/05/2006
Posts: 63
Loc: Maudsland
Kazz . Have a look at this article. It gives a very good account of the reasons it was stopped by the CSIRO. It just was not very successful.

http://www.ecosmagazine.com/?act=view_file&file_id=EC32p23.pdf

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#1469518 - 26/08/2018 08:04 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Kazz63 Offline
Weatherzone Addict

Registered: 10/01/2011
Posts: 1546
Loc: Kingaroy
Yeah Rod, I have read that before but will go back & read it again in case I've missed something.
But I'm not suggesting it as a recurring thing, but as a one-off hail mary if they can find the right kind of cloud masses.
Because at the moment the only thing we can do is the 'hail mary' loads of hay & money - they won't solve the problem either but probably cost just as much as a cloud seeding exercise. At least with cloud seeding, the results are a little more residual until Mother Nature kicks in.
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Also, please note that sentences can also end in full stops. The exclamation mark can be overused.
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#1469519 - 26/08/2018 08:06 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Lani Offline
Weatherzone Addict

Registered: 29/01/2011
Posts: 1268
Loc: Jimbour, QLD
7.5mm overnight
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Jimbour rain: 2019 - 182mm Jan - .5 Feb - 1.5, Mar - 143, Apr - 0, May - 8, June - 29

2018 - 508.2
2017 - 559
2016 - 563.5
2015 - 702.5
2014 - 418.5

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#1469520 - 26/08/2018 08:14 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Steve O Offline
Weatherzone Addict

Registered: 02/03/2011
Posts: 3494
Loc: Beenleigh, QLD
Some cloud seeding offshore at the moment.

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#1469521 - 26/08/2018 08:16 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Namarrkun Offline
Weather Freak

Registered: 17/11/2012
Posts: 571
Loc: Salisbury
Doubled our event total last night here at Salisbury.....an extra 4.7mm overnight brings us to 9.4mm total.

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#1469523 - 26/08/2018 08:55 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
retired weather man Offline
Meteorological Motor Mouth

Registered: 01/07/2007
Posts: 5161
Loc: Wynnum
Wynnum Nth 24 hour rain 11.6mm, event total 12.6mm.

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#1469528 - 26/08/2018 10:41 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
TWEEDSTORM Offline
Weatherzone Addict

Registered: 08/01/2012
Posts: 1044
Loc: Tweed Heads NSW
No storms today with all that cloud Cover. Can't complain one bit though nice drop of rain round here about 50mls so far

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#1469529 - 26/08/2018 10:44 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Petros Offline
Meteorological Motor Mouth

Registered: 30/12/2002
Posts: 8071
Loc: Maffra, Central Gippsland, Vi...
Yesterday (Saturday) at 13:12 hrs critical power lines tripped between Dumaresq and Bulli, creating havoc across the National Electricity Grid.

Was storm or heavy rain occurring at either of these locations at the time?

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#1469530 - 26/08/2018 10:47 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: TWEEDSTORM]
Ken Kato Offline
Meteorological Motor Mouth

Registered: 05/03/2012
Posts: 6090
Originally Posted By: TWEEDSTORM
No storms today with all that cloud Cover. Can't complain one bit though nice drop of rain round here about 50mls so far

There might still be some areas which do get thunderstorms today despite the current cloud cover. There's fairly good dynamics with this system which may contribute to some embedded thunderstorm activity within (and possibly near or behind the rear edge) of the cloud band during today with the instability.
There's already been some isolated lightning detected to our north.

One of those situations where cloud cover doesn't necessarily dampen down all activity.


Edited by Ken Kato (26/08/2018 10:48)

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#1469533 - 26/08/2018 11:11 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
TWEEDSTORM Offline
Weatherzone Addict

Registered: 08/01/2012
Posts: 1044
Loc: Tweed Heads NSW
Wow must be unstable alright!Very cool and overcast with 100pcent cloud cover here I guess in places that have breaks in the cloud cover stand a chance as ya said Ken.Also an amendment to the rain totals here our rain gauge is near the garden and my wife tells me she gave the garden a soaking 4 days ago so it's anybody's guess the rain totals here

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#1469534 - 26/08/2018 11:31 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
tsunami Offline
Weatherzone Addict

Registered: 06/12/2010
Posts: 1373
Loc: Wynnum SE Brisbane
23mm here overnight
30mm for the event
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Wynnum SE Brisbane

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#1469535 - 26/08/2018 11:32 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Ken Kato]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1868
Loc: Australia
Originally Posted By: Ken Kato
Originally Posted By: TWEEDSTORM
No storms today with all that cloud Cover. Can't complain one bit though nice drop of rain round here about 50mls so far

There might still be some areas which do get thunderstorms today despite the current cloud cover. There's fairly good dynamics with this system which may contribute to some embedded thunderstorm activity within (and possibly near or behind the rear edge) of the cloud band during today with the instability.
There's already been some isolated lightning detected to our north.

One of those situations where cloud cover doesn't necessarily dampen down all activity.



Ken where is the dryline though? I'm presuming storms can still form east of the dryline?

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#1469536 - 26/08/2018 11:54 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: gleno71]
Ken Kato Offline
Meteorological Motor Mouth

Registered: 05/03/2012
Posts: 6090
Originally Posted By: gleno71
Originally Posted By: Ken Kato
Originally Posted By: TWEEDSTORM
No storms today with all that cloud Cover. Can't complain one bit though nice drop of rain round here about 50mls so far

There might still be some areas which do get thunderstorms today despite the current cloud cover. There's fairly good dynamics with this system which may contribute to some embedded thunderstorm activity within (and possibly near or behind the rear edge) of the cloud band during today with the instability.
There's already been some isolated lightning detected to our north.

One of those situations where cloud cover doesn't necessarily dampen down all activity.



Ken where is the dryline though? I'm presuming storms can still form east of the dryline?


There's no really pronounced dryline in our area at the moment (may become more pronounced later) although there is a narrow dry slot over the NWSP in NSW wrapping into the northern flank of the system - in the combined satellite/lightning/dewpoints obs/surface wind analysis below via Weatherzone, you can see a band of thunderstorms between that dry slot (marked by the lower dewpoints) and the area of slightly more moist but unstable air wrapping around the rear flank of the system. These storms are in the somewhat clearer air behind the main cloudband but there's still instability there helped by the cold air aloft lingering in that area associated with the low:



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#1469538 - 26/08/2018 12:26 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Mega Offline
Meteorological Motor Mouth

Registered: 03/02/2003
Posts: 7899
Loc: Maryborough, Wide Bay, QLD
Plenty of pea size hail or smaller here. Strong winds to begin with. 25mm. Great little storm for August. But now it's back to dry dry dry again.

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#1469542 - 26/08/2018 13:08 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1868
Loc: Australia
Thanks Ken much appreciated

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#1469543 - 26/08/2018 13:12 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
DDstorm Offline
Weather Freak

Registered: 13/05/2010
Posts: 388
Loc: Tallai, QLD
Definitely thx Ken, love ya work and the maps, they make all the difference to us novices.
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Just here for the weather

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#1469547 - 26/08/2018 13:51 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
gberg Offline
Weather Freak

Registered: 14/08/2015
Posts: 91
Loc: noosaville
Had a nice little storm here at home. A quick fire 30mm.. still more stuff building to the west

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#1469552 - 26/08/2018 14:34 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
tsunami Offline
Weatherzone Addict

Registered: 06/12/2010
Posts: 1373
Loc: Wynnum SE Brisbane
So is that it or is the front still got to pass
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Wynnum SE Brisbane

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#1469553 - 26/08/2018 14:36 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
Mad Elf #1.5 Offline
Weatherzone Addict

Registered: 05/03/2012
Posts: 3859
Loc: Mt Hallen QLD
Who let the sun out?
10.5mm, calm, warm & humid with lots of fluffy darkish clouds moving eastish.
Maybe enough heat to cook something up?


Edited by Mad Elf #1.5 (26/08/2018 14:38)

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#1469555 - 26/08/2018 14:51 Re: SEQLD/NENSW Upper Low / Trough - Rain and isolated thunderstorms - 24th to 26th August 2018 [Re: Seabreeze]
signalman Offline
Weather Freak

Registered: 17/03/2010
Posts: 116
Loc: Warwick (Qld)
Slightly less Elf with 10mm total here in north-east Warwick. Better than nothing of course but will have a net worth of nothing without immediate follow-up. Good to see better falls in other areas.

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