Vic - Trough and Rainband: Sept 16-17 2019

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Macedonian
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Joined: Mon Dec 21, 2009 10:44 pm
Location: Mount Macedon Vic at 870m above sea level

Mon Sep 16, 2019 9:09 am

I got bugger all. Maybe 4mm. Boo.
Gordon
Supercell
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Joined: Thu Jun 17, 2010 10:01 am
Location: Near Gordon, Vic. 620 m asl

Mon Sep 16, 2019 9:44 am

hillybilly wrote:
Mon Sep 16, 2019 8:51 am
Gordon wrote:
Mon Sep 16, 2019 8:11 am
hillybilly wrote:
Mon Sep 16, 2019 6:10 am

Very healthy 33mm in the gauge here, 36mm for the event.
You must have passed 100mm mtd HB? Pretty good going for just past halfway :).
Yep, about 105mm. Will add up tonight to confirm. Our average is about 120mm for September, so not far off that.

I've not seen weather like this for years. We are on track for our fifth month in a row above average. In previous positive IODs we've often seen below average nearly every month. Seems we are just south enough to be catching all the fronts, which are missing areas only a few hundred kms north.
Yes, it's certainly unusual. A negative IOD is the only totally reliable indicator of at least average to above average rainfall for us - we've never had a below average -IOD year. Positive IODs aren't quite as tidy an opposite, but they make me nervous... or they used to!
StratoBendigo
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Location: Kangaroo Flat

Mon Sep 16, 2019 10:27 am

Gordon wrote:
Mon Sep 16, 2019 9:44 am
hillybilly wrote:
Mon Sep 16, 2019 8:51 am
Gordon wrote:
Mon Sep 16, 2019 8:11 am

You must have passed 100mm mtd HB? Pretty good going for just past halfway :).
Yep, about 105mm. Will add up tonight to confirm. Our average is about 120mm for September, so not far off that.

I've not seen weather like this for years. We are on track for our fifth month in a row above average. In previous positive IODs we've often seen below average nearly every month. Seems we are just south enough to be catching all the fronts, which are missing areas only a few hundred kms north.
Yes, it's certainly unusual. A negative IOD is the only totally reliable indicator of at least average to above average rainfall for us - we've never had a below average -IOD year. Positive IODs aren't quite as tidy an opposite, but they make me nervous... or they used to!
We're having a below average year YTD though. Just 264 mm since January 1 (mainly because of just 29 mm up to April 30). Average YTD by now is about 390 mm. A mostly -ve AAO in Winter and Early Spring has helped stop this year from being a write-off.
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Didjman
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Mon Sep 16, 2019 11:29 am

Re the AAO, while currently just +ve, I expect it will return to -ve once the effects of the SSW reach the surface some time after the equinox.
Hawker
Cumulonimbus
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Location: Castlemaine

Mon Sep 16, 2019 12:16 pm

Macedonian wrote:
Mon Sep 16, 2019 9:09 am
I got bugger all. Maybe 4mm. Boo.
You out did me M 2.5mm and that is generous. Strato put himself in the
right spot this time.
Macedonian
Supercell
Posts: 2018
Joined: Mon Dec 21, 2009 10:44 pm
Location: Mount Macedon Vic at 870m above sea level

Mon Sep 16, 2019 2:27 pm

Really cold september day.
Daylight max of 5.2C and back to 4.7C now. July temps :D
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hillybilly
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Mon Sep 16, 2019 7:31 pm

Macedonian wrote:
Mon Sep 16, 2019 2:27 pm
Really cold september day.
Daylight max of 5.2C and back to 4.7C now. July temps :D
Yeah, cold one here to despite all the sun. Max of just 7.3C. Squeezed out another 0.6mm, so event just on 36mm. About 10mm more than EC which is usually my pick, so a good result.

Our MTD is a very healthy 110mm (15mm below the average). Should get that by Sunday :D

Couple of cold nights now which are not good for the croppers, then a couple of warm almost hot days.
Adam38
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Location: Bacchus Marsh

Mon Sep 16, 2019 9:52 pm

13mm in B.Marsh apparently so not to bad... not looking forward to coming home on Thursday 😩. A balmy 28c/78% humidity here in Seminyak Bali 😎🍸🌴
stevco123
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Location: Cranbourne West 53m asl

Tue Sep 17, 2019 7:55 am

0.7 degrees this morning with a light frost
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Gordon
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Location: Near Gordon, Vic. 620 m asl

Tue Sep 17, 2019 8:34 am

Brutal night with temp around 0.5-2C and a stiff breeze. 2mm in each of small hail, sleet and possibly snow (though I was in Ballarat when it supposedly snowed so can't confirm).

(Impressive low level snowfalls right through the southern/central highlands of NSW covered in the NSW thread... which is surprisingly quiet? Snow would have settled where the fires near Lithgow were burning a few days ago!)
stevco123
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Tue Sep 17, 2019 2:47 pm

It snowed in Canberra apparently this morning as well. Nice cover around Goulburn and the usual places too
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hillybilly
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Tue Sep 17, 2019 7:23 pm

Nice day up here in the sun, but cold as in the shade. 2.2C to 9.2C. Didn’t see any frost with a stiff southerly despite the chill.

Quite an impressive spring snow event on the eastern side of the great divide to our north. Looks similar to the event earlier in winter, though locally heavier around Goulburn which did well for them with locally 2-3 inches. Classic isothermal layer developing in continuous precip dropping the snow level through latent cooling. At one point there was almost no temperature difference between places like Cooma and the ski resorts in the Snowies.
Macedonian
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Posts: 2018
Joined: Mon Dec 21, 2009 10:44 pm
Location: Mount Macedon Vic at 870m above sea level

Wed Sep 18, 2019 7:49 am

Gordon wrote:
Tue Sep 17, 2019 8:34 am
Brutal night with temp around 0.5-2C and a stiff breeze. 2mm in each of small hail, sleet and possibly snow (though I was in Ballarat when it supposedly snowed so can't confirm).

(Impressive low level snowfalls right through the southern/central highlands of NSW covered in the NSW thread... which is surprisingly quiet? Snow would have settled where the fires near Lithgow were burning a few days ago!)
My cousins and a friend were all very close to that bushfire last week at Lidsdale. They had settled snow yesterday and about 30mm of precip so happier i expect.
I had a sprinkling of snow yesterday and a -0.2C min with lots of frost and this morning there is more frost and 2C.
Gordon
Supercell
Posts: 2031
Joined: Thu Jun 17, 2010 10:01 am
Location: Near Gordon, Vic. 620 m asl

Wed Sep 18, 2019 8:15 am

I was up there a couple of weeks ago and was struck by how dry it was for the end of winter! Really good to hear they've had that much rain - desperately needed.
stevco123
Supercell
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Joined: Sat Aug 07, 2010 7:42 pm
Location: Cranbourne West 53m asl

Wed Sep 18, 2019 9:53 am

0.9 degrees this morning, after yesterday morning's 0.7. A tad chilly, but nothing unusual
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Australis(Shell3155)
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Thu Sep 19, 2019 7:19 pm

Our weather is having a hot flush,
I can't heat my home to this with 3 barrows of wood,
Too extreme..
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