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#1433577 - 10/09/2017 19:47 Re: NSW/ACT day to day weather [Re: Steve777]
Wave Rider Offline
Meteorological Motor Mouth

Registered: 27/01/2014
Posts: 6702
Originally Posted By: Steve777


Nice picture WR. I like to dial up the colour a little bit, maybe increase the contrast a little.


Thanks Steve. I only just discovered today that I could do this on my laptop so I don't even need photoshop. I actually increased the contrast, that's what I meant, but of course that does enhance the colour.


Edited by Wave Rider (10/09/2017 19:49)
_________________________
The longer you wait for storms, the more you appreciate them.

2017-18 storm total= 11
Oct 25th
Nov 6th(3), 17th
Dec 2nd, 14th
Jan 2nd(2), 8th(2), 9th

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#1433581 - 10/09/2017 20:44 Re: NSW/ACT day to day weather [Re: Grant]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4666
Good stuff WR, yes most computers will have some sort of editing tools for your pics, generally they are just the basics of course.


Rapidly cooling off again tonight already just under 9c, could possibly go lower than last night's temp 4.3c.

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#1433611 - 11/09/2017 07:34 Re: NSW/ACT day to day weather [Re: Grant]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 1902
Loc: Wollongong, NSW, Aus
Another mega-cold morning, 2.5c - 3.5 below forecast and 6c below average.

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#1433617 - 11/09/2017 09:06 Re: NSW/ACT day to day weather [Re: Grant]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4666
Not quite as cold as yesterday's morning, 4.7c was the minimum, still fresh but it warms up pretty quickly though.

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#1433619 - 11/09/2017 09:32 Re: NSW/ACT day to day weather [Re: Grant]
DaveM Offline
Meteorological Motor Mouth

Registered: 21/05/2001
Posts: 10095
Loc: Bathurst NSW about 700 m asl
Zipped down & back to Riverside Oaks golf course (near Cattai on the Hawkesbury) yesterday to play 18 holes with my son.

We played on the back course which is more of a "links" course - lost about a dozen balls!!!! Only cause I am RUBBISH at golf!!

Golf balls can't swim - don't know why I keep trying to encourage them. They also play hide n seek really well in the long dead/white grass just millimetres off the fairway. Every now and then I hit a good shot (VERY rare). Trouble is, those shots get you back the next time. Saw about 999,999 kangaroos.

Lots of racing ski boats roared past with high speed, skiers on very long ropes well behind them zipping along mighty fast smile Loved the sound of all those V8's roaring by.

It was mighty warm there yesterday for a Bathurstian this time of year. Managed to get a good sunburn on the face - should have ditched the baseball cap for a broad brim earlier!!

We will have similar temps to that here the next couple of days then wham back into Winter smile

Certainly been some actual weather about this month.

Good frost before sunrise here this morning - around -2

Will be around 20 or so later on.

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#1433627 - 11/09/2017 10:00 Re: NSW/ACT day to day weather [Re: Rsav]
ozthunder Offline
Weatherzone Addict

Registered: 23/09/2001
Posts: 3092
Loc: Mt Warrigal, NSW, Australia
Originally Posted By: Rsav
Originally Posted By: Wave Rider
It was probably somewhere on the Front Range near Denver.

I saw a TV doco about that subject too. A man takes very distant photos of sprites and jets from his house high up on a Colorado mountain side looking east across the flat plains. The storms were so far away they were probably in another state.

Originally Posted By: Wave Rider
Steve, it's possible that the mountain you could see was Mt Jellore. It is a very distinct steep, almost symmetrical hump. I'm not quite sure what The Gib looks like though.

Probably right there WR. Here is a photo taken from Sydney by Highranger, posted on Flickr: https://flic.kr/p/6NCCVj

Speaking of distant views WR, did you know that you can see Bondi Junction (100km away, in Sydney's eastern suburbs) from the summit of Saddleback Mountain (near Kiama) on a clear day? The top of Sydney Tower and a few other CBD skyscrapers can also be seen, jutting above the Illawarra Escarpment. A similar view can also be had from the clifftop lookout at Barren Grounds Nature Reserve that looks over Wollongong. Sydney skylines including the CBD, North Sydney, St Leonards, Chatswood, Olympic Park and Parramatta can also be seen from the Mittagong Lookout (or even better from the rock outcrop above the lookout) on Mt Gibraltar (The Gib) on a clear day. These are up to about 100km away!


Pike Peak in Colorado is an easy place to spy storms on the Great Plains even well east into Kansas and Oklahoma.

Clear air between you and storms works wonders, with prefrontal westerlies in Spring I have seen storms around Nelson Bay from Shellharbour. The lucky Nelson Bay people hanging in a thin wedge of retreating seabreeze, the storms forming on the dryline.

Locally from Mount Saddleback you can see Kurnell to north and Pidgeon House to south.

Clear air between you and storms works wonders, with prefrontal westerlies in Spring I have seen storms around Nelson Bay from Shellharbour. The lucky Nelson Bay people hanging in a thin wedge of retreating seabreeze, the storms forming on the dryline.
_________________________
Michael Thompson
http://ozthunder.com

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#1433628 - 11/09/2017 10:21 Re: NSW/ACT day to day weather [Re: Grant]
Wave Rider Offline
Meteorological Motor Mouth

Registered: 27/01/2014
Posts: 6702
Yes Kino rather brrr again early on, but already up to 20 degrees, should be a cracker of a day!

Yeah I imagine ozthunder, Pikes Peak is over 4000m ASL so not surprising. It's just amazing how far you can actually see storms. You would not get a shortage of storm sightings from there either with Colorado Springs (just below) being the most lightning active place in Colorado.

Wow I've never seen storms at Nelson Bay from here, but Mt Kembla to the NE would probably block that view. But I have seen plenty that have been a couple hundred km's down the coast.
_________________________
The longer you wait for storms, the more you appreciate them.

2017-18 storm total= 11
Oct 25th
Nov 6th(3), 17th
Dec 2nd, 14th
Jan 2nd(2), 8th(2), 9th

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#1433633 - 11/09/2017 10:42 Re: NSW/ACT day to day weather [Re: Wave Rider]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 1902
Loc: Wollongong, NSW, Aus
Originally Posted By: Wave Rider
Yes Kino rather brrr again early on, but already up to 20 degrees, should be a cracker of a day!

Yeah I imagine ozthunder, Pikes Peak is over 4000m ASL so not surprising. It's just amazing how far you can actually see storms. You would not get a shortage of storm sightings from there either with Colorado Springs (just below) being the most lightning active place in Colorado.

Wow I've never seen storms at Nelson Bay from here, but Mt Kembla to the NE would probably block that view. But I have seen plenty that have been a couple hundred km's down the coast.


Can see plenty off the coast and well on their way to NZ too at times.

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#1433635 - 11/09/2017 10:58 Re: NSW/ACT day to day weather [Re: Kino]
ozthunder Offline
Weatherzone Addict

Registered: 23/09/2001
Posts: 3092
Loc: Mt Warrigal, NSW, Australia
Originally Posted By: Kino
Originally Posted By: Wave Rider
Yes Kino rather brrr again early on, but already up to 20 degrees, should be a cracker of a day!

Yeah I imagine ozthunder, Pikes Peak is over 4000m ASL so not surprising. It's just amazing how far you can actually see storms. You would not get a shortage of storm sightings from there either with Colorado Springs (just below) being the most lightning active place in Colorado.

Wow I've never seen storms at Nelson Bay from here, but Mt Kembla to the NE would probably block that view. But I have seen plenty that have been a couple hundred km's down the coast.


Can see plenty off the coast and well on their way to NZ too at times.


Yes correct, somewhere between 400-500km is the limit where the lightning reflection only goes above the horizon. But 500km is a long way.
_________________________
Michael Thompson
http://ozthunder.com

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#1433637 - 11/09/2017 11:44 Re: NSW/ACT day to day weather [Re: Grant]
kizz Offline
Weatherzone Addict

Registered: 11/02/2002
Posts: 1935
Loc: Beacon Hill, Sydney 152m asl
Like a good sitcom I'll switch to the other sub plot.

I just went to the latest NSW obs page to see how far away the heat is. As I scanned the Upper and Lower west sites I was surprised to see FOUR new sites!

Mulurulu
Delta
Noona
Smithville

Are these permanent? I have never heard of these places. Does anyone actually live there?

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#1433640 - 11/09/2017 12:28 Re: NSW/ACT day to day weather [Re: Grant]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4666
The website WhereIs doesn't know where Smithville is?? I'm still googling it!!
Google maps knows nothing either.


Edited by EddyG (11/09/2017 12:31)

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#1433641 - 11/09/2017 12:37 Re: NSW/ACT day to day weather [Re: kizz]
CoastalStorm22 Offline
Weatherzone Addict

Registered: 10/07/2006
Posts: 2779
Loc: Lane Cove, Sydney, NSW
Originally Posted By: kizz
Like a good sitcom I'll switch to the other sub plot.

I just went to the latest NSW obs page to see how far away the heat is. As I scanned the Upper and Lower west sites I was surprised to see FOUR new sites!

Mulurulu
Delta
Noona
Smithville

Are these permanent? I have never heard of these places. Does anyone actually live there?


Interesting, if there on the obs page I'd say they're permanent, they sound like names of pastoral properties more than actual towns.

In addition to the one's you mentioned we have

Brewon(near Walgett)
Borrona Downs(rainfall only near Tibooburra)

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#1433642 - 11/09/2017 12:45 Re: NSW/ACT day to day weather [Re: EddyG]
kizz Offline
Weatherzone Addict

Registered: 11/02/2002
Posts: 1935
Loc: Beacon Hill, Sydney 152m asl
Originally Posted By: EddyG
The website WhereIs doesn't know where Smithville is?? I'm still googling it!!
Google maps knows nothing either.

Yeah I ended up putting the lat long details in google maps.

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#1433644 - 11/09/2017 12:52 Re: NSW/ACT day to day weather [Re: Grant]
Rob G Offline
Weather Freak

Registered: 31/07/2003
Posts: 697
Loc: Porters Retreat NSW
Near record maxima forecast over the next couple of days:
Bathurst is expecting 24C on Tue and Wed. Record for September 12th is 25.6C in 1946.
Sydney is expecting 31C on Wednesday. Record for September 13th is 32.2C in 2009.

******

With the saga of suspect BoM instrumentation, perhaps they should check Mt Boyce?
Measured a high of 8.0C here last Saturday (55km SW of Mt Boyce and less than 200m higher), while Mt Boyce reported a high of 14.0C. My thermometer is a standard BoM mercury in glass maximum one. Can the Foehn Effect account for such a large discrepancy? I dont doubt my reading, it was very cold here needed jumper + parker all day - and moist ground remained frozen on the southern side of the house until 3pm.

******

These new far west stations would be AWSs. Better to be in the middle of nowhere to avoid built environment interference (e.g. heat island effect) seen in towns and cities.

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#1433645 - 11/09/2017 12:53 Re: NSW/ACT day to day weather [Re: kizz]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4666
Originally Posted By: kizz
Originally Posted By: EddyG
The website WhereIs doesn't know where Smithville is?? I'm still googling it!!
Google maps knows nothing either.

Yeah I ended up putting the lat long details in google maps.


As CS22 mentioned, most likely to be a Homestead.

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#1433646 - 11/09/2017 13:05 Re: NSW/ACT day to day weather [Re: DaveM]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4666
Originally Posted By: DaveM
Zipped down & back to Riverside Oaks golf course (near Cattai on the Hawkesbury) yesterday to play 18 holes with my son.

We played on the back course which is more of a "links" course - lost about a dozen balls!!!! Only cause I am RUBBISH at golf!!

Golf balls can't swim - don't know why I keep trying to encourage them. They also play hide n seek really well in the long dead/white grass just millimetres off the fairway. Every now and then I hit a good shot (VERY rare). Trouble is, those shots get you back the next time. Saw about 999,999 kangaroos.



Haven't played there since the early 90s, a great course!! I take it your son beat you?
I take it all those Kangaroo's were out in the middle of the fairway avoiding all your wayward shots!! poke grin

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#1433647 - 11/09/2017 13:07 Re: NSW/ACT day to day weather [Re: Grant]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4033
Loc: Artarmon (Sydney North Shore)
The grid reference for Smithville (-30.07, 141.00) places it in SA, about three and a half inches from the NSW border (or tens of metres anyway). It's just West of Border Downs Road, which runs more or less along the border. On the NSW side, the satellite view shows what looks looks like a homestead - several buildings anyway, but no town. Zooming in, I can't see instruments, but I'd say the AWS is on or near the homestead grounds:

Smithville

It's about 93km WSW of Milparinka.

=========

The Easterly is up and running near the coast, OH may have peaked at 22.3, but stations in Sydney's West are now up to 23.

Another beautiful blue sky day here, warm after a chilly start.


Edited by Steve777 (11/09/2017 13:11)
Edit Reason: Milparinka

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#1433651 - 11/09/2017 13:59 Re: NSW/ACT day to day weather [Re: Grant]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 1902
Loc: Wollongong, NSW, Aus
Georgeous day here, got to 23 and hanging around 22, with light winds. Very schmick!

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#1433652 - 11/09/2017 14:11 Re: NSW/ACT day to day weather [Re: Grant]
DaveM Offline
Meteorological Motor Mouth

Registered: 21/05/2001
Posts: 10095
Loc: Bathurst NSW about 700 m asl
grin Eddy grin

Yep he beat me - but not by much poke

Given how long I hit the ball (I usually get to the ladies tee with my driver) shocked as well as every point of the compass is under threat - no roo was safe!!! whistle

However to maximise the safety of the roos, I aimed at one - guaranteed to not hit THAT roo.

Currently 18 out here but have been to about 20 earlier.

Windows open in the office to keep the sweat box a little cooler smile

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#1433656 - 11/09/2017 14:47 Re: NSW/ACT day to day weather [Re: Grant]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 1902
Loc: Wollongong, NSW, Aus
For Wollongong peep's, whilst digging around for a decent Illawarra rainfall map, found the following interesting paper from 1979!

Excerpt:

Quote:
The triggering of slope failure by prolonged or intense rainfall has been demonstrated in many environments. For the Wollongong area the critical minimum monthly rainfall needed to trigger such movements is about 250mm; failures were reported in 40% of months with rainfall in excess of this threshold level (Young, 1978). On the escarpment there is a 30.QO% chance that this threshold will be exceeded in February alone, and a 10-30% chance that it will be exceeded in any of the months in autumn, winter and early summer. "Rainfalls likely to induce landslip are clearly a normal and, in historical time, not an infrequent feature of the climate of the lIIawarra" (Young, 1978).

The threat of slope failure increases with height of the escarp- ment because of increasing rainfall as well as steepening of slopes. Annual rainfall on the coastal lowland at Wollongong is 1100- 1200mm but near the escarpment crest is reaches about 16oomm. For the standard period the rainfall gradient from the coast to Mt. Keira was 72mm/km. In the wettest year on record, 1950, this gradient increased to 96mm/km, with 2250mm falling on the coastal lowland and over 3000mm on the Escarpment. What is more, the lower temperatures towards the crest reduce evaporation thereby making more water available for runnoff and infiltration into the soil. An estimated 55% of the rainfall on the higher slopes becomes available for runoff and infiltration, whereas on average only 15% is available on the lowlands.


3000mm is a pretty decent fall, equivalent to a northern QLD coast average.

From this paper: http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1001&context=wollgeo

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