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2013 July 20th Saturday: local light snowfalls Mt Bryan - Burra district and Mt Lofty district.

Summary

In the southern Mt Lofty Ranges showers with hail, sleet and graupel and some snowflakes fell on the upper slopes of Mt Lofty, and snow was also reported from Crafers and Stirling. In the Mid-North snow was reported in Burra, near Booberowie, and at Spalding, and a light cover of snow decorated the upper reaches of the higher hills near Burra, and on Mt Bryan and Razorback Ridge.

Primary causes: The combination of a complex north-south oriented low pressure area east of South Australia and a strong high south of the western Bight which extended a ridge south-eastwards, drove a deep and very cold south-westerly airstream over south-eastern South Australia.

Rating on SA-wide 'snow distribution and amount' scale (min 1 to max 10) : 3½

End of summary.

Report on the event.

Light snow covers the upper slopes of some hills and Mt Bryan in the Mid-North. A mix of hail and graupel with some sleet and a little dash of snowflakes covers the upper slopes of Mt. Lofty. I've seen a second-hand report of snow in the Mount Gambier area.

The combination of a complex north-south oriented low pressure area east of South Australia and a strong high south of the western Bight which extended a ridge south-eastwards, drove a deep and very cold south-westerly airstream over south-eastern South Australia. Numerous coldies (cold weather cumulonimbus) formed on Saturday and precipitated rain and small hail.

In the Mid-North snow was seen falling in Burra and near Booberowie, and a light cover of snow decorated the upper reaches of the higher hills near Burra, and on Mt Bryan and the Razorback Ridge. Mt Bryan and the Razorback Ridge are part of the Mount Bryan Range which in turn is part of the northern Mt Lofty Ranges.

In the southern and central Mt Lofty Ranges the only reports I've seen of snowflakes falling were from Mt Lofty, Crafers and Stirling. Near the summit of Mt Lofty, observers including myself reported on Saturday morning some hail and graupel showers, mixed with rain at times and some sleet at times and occasionally some snowflakes. This mixed salad of hail, graupel, sleet and a dash of snowflakes covered the uppermost slopes of Mt Lofty during Saturday morning and would have been a spectacular sight if the vegetation was predominantly grassland, such as we typically see in much of the Mid-North.

The following message was posted into the Weatherzone South Australian forum by "Mick10" at what I deduce was 225pm Saturday 20th July: "a friend of mine from Townsville is visiting Mount Gambier area for the week, she is reporting snow falling and some on the ground". That's the only reference to snow in the South-East I've seen for this event.

There's an article in the newspaper The Border Watch (regional newspaper based in Mt Gambier), "Region becomes winter wonderland" by Giulia Prosperi-Porta dated 22 Jul 2013, 7:08 p.m. Below I quote some of the text. There's no mention of a report of falling snow in the South-East in the article. If you've got time to visit the above link, in their gallery of 4 or 5 photos there's a very impressive photo of a white sheet of hail on a road - as nature intended - untouched by vehicle tracks.

"THE Limestone Coast froze through the weekend with daytime temperatures dropping below 4C as heavy hail and rain plummeted throughout the region.
The South East surpassed its July average rainfall, while the temperature plunged to just 3.3C as hail bucketed down at midday on Saturday.
Mount Gambier weather bureau station manager Craig Marsh said it was unusual for daytime temperatures to drop so low.
“That turned out to be the minimum temperature for the entire 24-hour period and we typically get minimum temperatures at midnight, not midday,” he said.
“It is quite rare - it doesn’t happen every year.”
A significant amount of hail that resembled snow fell at Benara Road near Kongorong on Saturday, creating hazardous conditions for drivers that resulted in three car crashes.
“It’s different to snow - snow flakes are flakes and hail is ice, but if you get enough of that it looks like snow,” Mr Marsh explained.

The following message was posted into the Weatherzone South Australian forum by "JimmyGray" at what I deduce was 530pm Saturday 20th July: "Now snowing at Spalding at brother in laws place".

The very few reports from the Mid North and near absence of any reports from the Flinders Ranges suggests that any snowfalls there were mostly confined to the upper parts of the higher mounts and hills or were very local. I doubt if there were obervers on the summits of any mounts or hills in the Mid North or Flinders Ranges during the window of opportunity for snow to fall, but if there were, I've not seen any reports from them saying it did or didn't snow.

I've seen no reports of snowflakes seen falling in any locations in the southern and central Mount Lofty Ranges except from observers on Mt Lofty, and second-hand from Stirling and Crafers.

Now for what several observers did and saw and recorded.

Miles Peachfield: I arrived at about 400am on Mt Lofty and parked in the Lofty House car park. After the gates to the summit opened I moved to the summit car park. Further down this page there are some photos and videos I took while on the summit of Mt Lofty on Saturday morning 20th July 2013.

Jason Hywood: Jason "Arrived at the [Mt Lofty] summit at 6.12 to hail and sleet falling" (I'm quoting him here from a post on the Weatherzone South Australian forums thread). At 712am he recorded this video he posted onto Youtube with the title "Snow or sleet at Mt Lofty 7.12am".

Later he "saw a decent hail shower that had flakes in it .... Here was my video near the end of the shower at 8.12am" hail shower that had flakes in it.

Later again he "... caught this at 8.56am (sorry about my excitement)", posted onto Youtube with the title "Mt Lofty snow at 8.56am".

Jacob Elliott: The four photos below of snow on Mt Bryan and adjacent hills near Hallett in the Mid-North of South Australia, were taken on Saturday 20th July 2013 by Jacob Elliott.



Above: Snow cover on Mt Bryan (right of centre), seen from the east, from either on or near Mt Bryan East Road. Photographer: Jacob Elliott, © Jacob Elliott.



Above: I'm not certain of the exact location of this image, but I think it shows the high hill immediately south of Mt Bryan on the Razorback Ridge, as seen from on near Mt Bryan East road on the east side of the Range. If this is correct then the east side of Mt Bryan is just to the right of this photo. Photographer: Jacob Elliott. © Jacob Elliott.



Above: Snow cover on Mt Bryan (right of centre), seen from the east, from on or near Mt Bryan East Road. Photographer: Jacob Elliott, © Jacob Elliott.



Above: A close-up of the eastern side of the summit of Mt Bryan. Two or three communication towers are just visible. Photographer: Jacob Elliott, © Jacob Elliott.

Helen Simpson: Helen posted into Weatherzone's South Australian forums eight images showing snow on hills in the Hallett district of the Mid-North, photographed on Saturday 20th July 2013. They start on this page at the time of writing (still there on 22nd September 2016). The page number (33) may change over time but the link to the thread should remain active for years to come. These photos are so good that I'm giving links to seven of them below in the hope that if the forum thread link should break at least the photos may still be in their original locations on the internet. Helen runs a website called Pixscene and you may be able to find these photographs displayed there.

Photo 1

Photo 2

Photo 3

Photo 4 

Photo 5 

Photo 6 

Photo 7

Paul Simmonds: Paul refers to snow in a description of his and "Ian VK5CZ" treck through part of the Bundaleer Forest to the top of New Campbell Hill on Saturday 27th July 2013. Campbell Hill is "... situated close to the Bundaleer Forrest Reserve in South Australia’s mid-north, to the south of the township of Jamestown. ... The hill is 714 metres above sea level ... ".

He says "Today, Bundaleer is the state’s smallest forest with about 1,500 hectares of plantations.
Ian and I travelled north on RM Williams Way and then turned left onto Bundaleer Gardens Road. We parked the car at the locked gate on Neindorf Road. The gate has a sign on it “Gate: BG 5″. There is also a sign saying ‘Bore Track”.
"We then commenced our 4km walk from there to the summit. The first section of the walk is along a nicely graded dirt access road to the forest (called Bore Track). There is virtually no incline on the road, but there is worse to come. ... "The track takes you passed a few small pine plantations and some native scrub, with some great views back to the east of the Hallett wind farms. You then enter the mature pine forest. We took a track through the forest up towards the summit. It was certainly very wet underfoot as we had received plenty of rain the previous weekend. In fact this area was covered in snow last weekend."

To find the above text go to this page and put snow in your browser's Edit - Find search window. I didn't see any reference to where the information about the snow came from. It's the only reference to snow on 20th July in the Bundaleer Forest area I've so far seen.

Alexandra Shand: reported in a discussion on the Facebook page Mid North Storms. "There was small pockets of snow in the cliff face of Horricks pass on the port Augusta side on the Saturday when mount lofty got all its snow
You could still see little piles of it on the shady side in the afternoon, temp going by my car was only 5 or so at the time".

Hail, graupel or sleet can also leave white pockets that look like snow. On the morning of Saturday 20th I saw white pockets in cuttings on the South-Eastern Freeway near the Mt Lofty exit that were very likely to have been hail and very unlikely to have been snow.

Mt Remarkable: "Mid North Storms" commented on the Facebook page Mid North Storms in reference to Mt Remarkable: "... I did hear they hot more then the Razorback range, but no one confirmed it".

I haven't seen any other reports first or second-hand that there was a fall of snow on Mt Remarkable. I gather the upper slopes were covered with cloud for at least part of that day so maybe any snow cover melted by the time the cloud lifted and revealed the summit to the gaze of anyone who looked that way from afar.

Now for a gif file of hourly infared satpics for the period 6pm Thursday 18th July to 6pm Monday 22nd July 2013. There are three versions to choose from: 24 mb, 13 mb or 6 mb. If you click on any of the links the file should play in your browser.

24mb version

13mb version

6mb version

Here's a gif file for Saturday 20th only a 4mb gif file for Saturday 20th only

My source for the above satpic images was the Brisbane Storm Chasers page

The Weatherzone forums' South Australian thread on the weather system that resulted in these snow and hail falls is at "... Cold blast - 17th-22nd July 2013". There's a section called "Snow-relevant posts in the Weatherzone South Australian forum thread" near the bottom of this page you're reading from here Snow-relevant posts.

Media

This is the snow-relevant part of an article in the Northern Argus.
Northern Argus Tuesday July 23, 2013 "Snow falls in Hallett" ("Sorry, but this page doesn't exist" message when I checked link on 22nd September 2016).
"Snow falls in Hallett"
"A cold and wet weekend saw residents of the Clare Valley and Mid North brace for the possibility of snow. But for the residents of Hallett the possibility of snow became reality. Felicity Martin has lived in Hallett for the past 10 years and said she had seen snow fall in the town about five times. “Last year it was about three inches deep in the town but this year’s snow mainly fell on the mount and only lightly in the town,” she said. A bitter winter it has been Felicity said for the past three days (until Tuesday) it had been about six degrees maximum and when it snowed was only five. “The snow was mainly on the mount this time but it certainly wasn’t like it was the last time it fell.” Last year’s snow fell in October and covered the town. ... Some residents took the opportunity to walk up the mount while others enjoyed the little amount that fell within the town."
The article includes a photo of two children "Ava and Jack White of Spalding with icy cold snowballs near Hallett on Saturday".

Now for an AdelaideNow article "Steady rain lashes South Australia but warmer weather in sight" ("Sorry your page could not be found" message when I checked link on 23nd September 2016). In the article the word snow predominated in reference to Mt Lofty and was qualified as "sleet-like snow" on occasion:
{quote] Title: Steady rain lashes South Australia but warmer weather in sight
by: KATRINA STOKES AND SAM KELTON
From: The Advertiser July 22, 2013 1:06PM [end quote]

Here are some quotes from the article:
"GALLERY: Stunning photos of snow in the Hills"
"Hills awakes to a winter wonderland
Snow arrived in the Hills Saturday morning - bringing pleasure to many residents who made the most of the winter wonderland, but causing havoc for motorists.
Crafers and Mount Lofty residents and visitors could not get enough of the white stuff, making snowmen and throwing snowballs before the sleet-like snow melted."
"Tegan Giola of Cheltenham and Jasmine Banham of Seaton finish their Mount Lofty Summit jog in a snow fall".

I was on Mt Lofty from about 4am to about 10am Saturday morning, observing the weather. I saw abundant evidence that it was hail that formed most of the ice particles that accumulated on the ground and on cars on Mt Lofty. As I observed it, the precipitation that fell on Mt Lofty was mostly rain and hail and sometimes sleety hail. I did not observe nor have I seen any reports from eyewitnesses of a fall of snow on Mt Lofty on Saturday morning that was sufficient to form a cover on the ground or on cars. I saw what I'm confident was snow alone falling only briefly, maybe for a couple of minutes. I occasionally observed what appeared to be some snowflakes mixed with showers of hail or sleety hail. I'm reporting this because I've seen abundant evidence that the claims and inferences in the AdelaideNow article as originally published, that it was snow or sleety snow on the ground and on cars and being made into snowballs and snowmen, are incorrect.

Now here are some photos, and links to several videos, I took on Saturday morning 23rd July 2013.



Above: Looking over Picadilly Valley at around dawn from the summit of Mt Lofty on Saturday 20th July 2013. Most of the cloud we see consists of tiny ice particles - the deep south-westerly airstream coming from far south of Australia is extremely cold. Photographer: Miles Peachfield, 745am camera time.



Above: A thin cover of ice particles on the verge of the observation area. It will thicken as more showers arrive. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 747am.



Above: Camera, lights, action! A team from a television station interviews a visitor. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 749am.



Above: A substantial shower approaching the summit from the south-west. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 754am.



Above: Another shower approaches the summit from the south-west while the sun lights up the obelisk. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 803am.



Above: ... while on the other side of the obelisk it looks like they're getting ready to film on a movie set! Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 805am.



Above: The hail-graupel-sleet-snow-person shown close-up on the photo below in context. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 839am.



Above: A hail-graupel-sleet-snow-person. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 840am.



Above: A mix of ice particles falling observed by various onlookers. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 850am.



Above: The hail-graupel-sleet-snow mix builds up on the ground. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 903am.



Above: Looking out over the city centre (lower right) and suburbia, a glaciated tower has risen from the cumulus cloud on the left side of the image, and on the right side a tower is building from another cumulus, and precipitation is falling from both clouds. It's an indication of how unstable the atmosphere was on Saturday morning 20th July 2013. Mount Lofty summit Saturday 20th July 2013, photographer Miles Peachfield, camera time 912am.



Above: Bureau of Meteorology 6-hourly surface chart 4am EST Friday 19th July 2013. This copy from Laurier Williams' Australian Weather News website.

Videos I took on the Mt Lofty summit Saturday morning 20th.

I've posted below seven videos I took at various times on Saturday morning. For each video I've given three play options: an mp4 file format pretty much the same quality as the original straight from the camera mov file, an mp4 file reduced to half the megabytes of the first one but should still be quite good quality for desktops, and a file on YouTube.

If it doesn't load and play automatically when you click on the mp4 links, you can right-click on the link and save the video file to your computer and open it in one of your players. Also the usual reminder that video files can take a while to load, particularly the best quality files. As falling snowflakes and other icy particles such as sleet are pretty small and very pale, they often show up noticeably better on the higher mb video files, so it's worth waiting for the best-quality video files to load if you have the computer and megabyte capacity.

Here is a video I took which shows what it was like under a substantial shower of hail and probably some sleet and graupel and rain and a few snowflakes, on the summit of Mt Lofty on Saturday morning 20th July 2013, camera time 850am.

video 1 best quality 24mb mp4

video 1 good quality 12mb mp4

video 1 on YouTube.

Here's another video I filmed in the same shower:

video 2 best quality 27mb mp4

video 2 good quality 14 mb mp4 file.

video 2 on YouTube.

Near the end of a substantial shower of what was predominantly small hail with some flakes mixed in at times and probably some sleet and rain, what appeared to me to be light snow fell for a few minutes or maybe just a couple of minutes. This was the only time during the several hours I spent on Mt Lofty that I saw what seemed to be snow alone falling. I chose a fairly dark background as a good place to give the snow maximum chance of showing up on the screen, and took this video, camera time 856am.
PS watching this video on July 4th 2017 I'm not convinced these are pure snowflakes falling. They're coming down pretty quickly for pure snowflakes, and while they're responding to the variations in the windspeed I think their response is rather muted :-)

video 3 best quality 11mb mp4

video 3 good quality 6 mb mp4.

video 3 on YouTube.

The three videos above are my best for showing the showers as I experienced them. Below are several other short videos I took which add to the overall experience, and if you were there you may find youself in one of these, most probably in the distance because I was filming well out on the observation area and most people were sheltering under the veranda or inside.

There were quite a few people there who by luck or good planning saw the snow but it wasn't anywhere near crowded. A lot depends on the amount of pre-publicity on the media a potential snowfall gets, and the time of day it falls. Also, if there's one shower of snow on Mt Lofty and it's quickly reported on the media, that can bring lots of people quickly to the summit in expectation of another shower.

video 4 best quality 14mb mp4

video 4 good quality 7mb mp4

video 4 on YouTube

video 5 best quality 9mb mp4

video 5 good quality 4mb mp4

video 5 on YouTube

video 6 best quality 17mb mp4 file

video 6 good quality 8mb mp4

video 6 on YouTube

video 7 best quality 34mb mp4

video 7 good quality 17mb mp4 file

video 7 on YouTube

Now here are the Bureau of Meteorology half hour readings from their Mt Lofty automatic weather station positioned not on the summit (727metres according to Wikipedia) but at the somewhat lesser altitude of 685 metres (from the Bureau of Meteorology web page giving details of the automatic weather station) over near the television towers. They are from 200pm on Friday 19th to 500pm on Saturday 20th (snow day). Looking at these half-hour readings, the temperature was down to 2.8 degrees by midnight Friday, down to 2.0 by 430am Saturday, then didn't rise about 2.6 till after 930am. The lowest half-hour readings were 1.2 degrees at both 500am and at 900am. The official Bureau of Meteorology minimum for the day was 0.9 degrees according to the website http://australianweathernews.com but the time of day is not given. With those close-to-zero temperatures I'm not surprised snow fell on the summit.







Here's a gif file of the 20 Bureau of Meteorology mean sea level pressure analysis charts for 18th - 22nd July 2013. If you click on the link it should open and play in your browser 20 BoM msl charts 18-22nd July 2013. Below are the images of the 20 charts if you prefer to look at them individually.

Upper level analysis charts relevant to this event can be found on the Bureau of Meteorology's Analysis Chart Archive on their website at the following location:
Bureau Home > Australia > Weather Maps > Analysis Chart Archive
http://www.bom.gov.au/australia/charts/archive/index.shtml

As far as I know all the snow fell on the 20th. I haven't seen any reports of snow falling on the 19th or the 21st. I think it's quite possible there could have been snowshowers on the summits of Mt Bryan and Mt Remarkable and a few other summits in the Mid-North and Flinders on the morning of the 21st.



Snow-relevant posts in the Weatherzone South Australian forum thread.

I looked at every post in the Weatherzone thread for this 20th July 2013 weather system from the posting date "20/07/2013 04:40 AM" to the end of the thread. I copied all posts which I decided included snow-relevant text, into my word processor, then removed paragraph breaks but didn't edit any text. This was a once-only - look at all the posts and copy and paste and tidy up and post relevant ones here - procedure so I don't guarantee no mistakes along the way or possibly missing one or more relevant posts from the thread. But copying and pasting text is a highly reliable procedure very unlikely to introduce errors into the text.

The times shown below for when each message was posted onto the forum eg "20/07/2013 04:40 AM" is the time shown on my computer screen on 25th September 2016 which is the day I copied these posts from the forum. I think they may be half an hour ahead of actual central standard time and in the next paragraph I explain why I think this.

Here's part of a post in the thread by "Unstable" which is my Weatherzone forums username, as I read it on my screen on 25th September 2016. The time given by the forum program is 440am, while I put 400am into the post as I was writing it. This suggests that forum time is half an hour ahead of central standard time in this entire thread. It doesn't prove it because there are other less likely alternative explanations.
#1204455 - 20/07/2013 04:40 AM
"400am I'm on Lofty, in Lofty House car park."

Now here's another of my posts which is consistent with forum time, as shown for all the posts below, being half an hour ahead of central standard time:
#1204473 - 20/07/2013 07:52 AM July 2013
Unstable
Loc: Adelaide
715am now in summit park

The title of the thread is "SA - strong low pressure & Cold blast - 17th-22nd July". This is the link to the first page of the thread.

This is the link to page 24 where I found the first post below

Now to all the posts I selected.

July 2013 #1204455 - 20/07/2013 04:40 AM
Unstable Loc: Adelaide
400am I'm on Lofty, in Lofty House car park. Just arrived. A couple of light showers already. No snow seen yet. I'm wearing a ski hat beanie, a multi-colored scarfe and a grey goatee beard smile Will attempt to report back if I see any snow.

#1204461 - 20/07/2013 06:07 AM
Unstable
Loc: Adelaide
no snow yet. still in same car park.

Weathermaniac
Loc: Whyalla, SA
#1204465 - 20/07/2013 06:52 AM
Sitting near the Mt Lofty summit gates. Just had a few slushy sort showers go through over the last few hours. Dont really know what to expect as I have never seen snow falling. Very exciting none the less.
Edited by Weathermaniac Loc: Whyalla, SA (20/07/2013 06:54 AM)

Weathermaniac
Loc: Whyalla, SA
#1204470 - 20/07/2013 07:19 AM
Just had hail. Then it changed to slushy rain. Guessing thats half melted snow.

Weathermaniac Loc: Whyalla, SA
#1204472 - 20/07/2013 07:49 AM
Loc: Whyalla, SA
We officialy had snow up here. Couldn't mistaken that. Love it. Just need some more showers to come up this way.

#1204473 - 20/07/2013 07:52 AM July 2013
Unstable
Loc: Adelaide
715am now in summit park - approx. 10 mins rain and hail turned park rather white - didn't see any definitive flakes but half-light tricky. thought I saw some probable sleet in an earlier shower. we need coldies or similar.

#1204486 - 20/07/2013 08:29 AM July 2013
paisley
Loc: Magill campus Uni SA (w) & Fir...
Yer, its treacherous out there. Just passed a guy who had sailed his car straight off Old Norton Summit Rd into the creek. Emergency services in attendance.
OK, I abandoned the Barossa ranges - these coldies just seem too high based and not grunty enough for inland penetration. Who knows Im probably dead wrong! smile
Went to Lofty - as others have said, got 10-15 minutes of tiny hail (graupel?) which whitened the ground for the many people who arrived soon thereafter. It also did genuinely snow, lightly, for a few minutes.
At no stage was the summit really in cloud - as I say, high based stuff. Nice nonetheless.
P

paisley
Loc: Magill campus Uni SA (w) & Fir...
#1204495 - 20/07/2013 08:53 AM July 2013
[posted image] Coldies in the dawn sun from Ridge Road..
P Edit: Guys, the 'magic spot' is the communications tower at the top of, you guessed it, Tower Road, near Williamstown. Its actually higher that Pewsey Vale Peak and has a fantastic view. Its certainly a chance, I was just a bit depressed by how 'spent' these coldies look.
Edited by paisley Loc: Magill campus Uni SA (w) & Fir...
(20/07/2013 08:56 AM)

#1204499 - 20/07/2013 09:00 AM July 2013
Thunderstruck
Loc: Seaford Meadows, SA
0.9C at Mt Lofty!! Plenty cold enough! Should be an interesting day!
Yes agreed there are so many idiots on the roads. They drive like hoons in heavy rain so not surprised about cars flipping over at all. Black ice will sort them out.

#1204511 - 20/07/2013 09:29 AM July 2013
Markus
Loc: Clare, SA
Yes incredibly sunny up here atm, only cloud is a few wisps of stratus forming on the hilltops. Still got down to 3.4 or so here in Clare and that was without any coldies assistance, so I would say the potential is there, as soon as this dry stretch comes to an end. Certainly nice streams going atm in spencer gulf. Wonder if there has been any precip at mount remarkable. For mid north meteye seems to want lowest snow level at 1pm.
Anyway 18.5mm in the gauge, plus the other days 11.5mm = 30mm event total so far.

#1204592 - 20/07/2013 02:55 PM July 2013
Mick10
Loc: Kirwan, Townsville - NQld.
a friend of mine from Townsville is visiting Mount Gambier area for the week, she is reporting snow falling and some on the ground.

#1204619 - 20/07/2013 04:19 PM July 2013
SUPER CELL
Loc: ALBERT PARK
Was lucky enough to meet Unstable Loc: Adelaide at Mt Lofty this morning, here is a picture of him in his Element smile

#1204622 - 20/07/2013 04:50 PM July 2013
Unstable Loc: Adelaide
Ha ha! Thanks Surfer - it was good to meet you and chat about snowbiz smile
Here's a video I took on the Lofty summit this morning. Near the end of a substantial shower of what was predominantly small hail with some flakes mixed in at times, what appeared to me to be light snow, fell for a few minutes or maybe just a couple of minutes.
Edit: good photo Surfer - colorful happy scene smile

#1204625 - 20/07/2013 04:58 PM July 2013
Helen
Loc: Mid North, SA
Fabulous photos and video. grin
We were nearly home from Clare when daughter Lisa, rang to say we'd had a brief snow shower at home. It started off as small hail and finished with a little snow which settled to the ground. I'm pretty impressed as we're only at 432m elevation. smile Nearly at home, we saw the range to our northeast, that have the Hallett 2 turbines on them, were also dusted lightly with snow. Hopefully those ranges have a whiteout overnight. Looking forward to the day when Burra again becomes covered in 2 feet of snow. smile

1204626 - 20/07/2013 05:04 PM July 2013
Markus
Loc: Clare, SA
Yeah snowing in Hallett right at this moment apparently. Gah every bit of rain has skirted Clare today, haven't had anymore than a few spits.

#1204661 - 20/07/2013 06:30 PM July 2013
JimmyGray
Loc: Palmerston NT
Now snowing at Spalding at brother in laws place

#1204663 - 20/07/2013 06:42 PM July 2013
Helen
Loc: Mid North, SA
Just got back from a successful snowchase to Hallett. No snow in the town, but the hills above were pure white... photos soon. smile

#1204760 - 21/07/2013 01:43 AM July 2013
SUPER CELL
Loc: ALBERT PARK
Tim was up there from 6am till 11am I took my Oregon scientific thermometer and put it in a suitable location. Constantly checking Bom obs and they were always hovering around 2-3 degrees. Whilst all morning my thermo basically hovered around .8 and .9 degrees. Then was white everywhere at Mt Lofty on the ground yet just down the road where the Mt Lofty temp and wind is monitored there was not nearly as much hail/snow on the ground, and placing my thermo Near the station on the side of the road read 2.6 degrees. Basically what I'm asking is the Mt Lofty temp we all go by, is there a chance that just 1km up the road and that little bit higher in altitude at the summit can make a big difference?

21/07/2013 03:26 AM July 2013
Unstable
Loc: Adelaide
A series of lovely photos there Helen - well done! smile On a related topic, the top of Mt Lofty would likely have looked white yesterday morning from a distance if it was mostly grass covered and not forested. Most of the frozen precipitation I saw falling on Lofty yesterday morning was hail, with some sleet and snow mixed in at times. To the best of my knowledge it was mostly hail that covered the ground on Mt Lofty. So I'm wondering if the white cover on the hills in the Mid-North was mostly snow or mostly hail or a variable mix? Has anyone seen any reports from the Mid-North of substantial snow-showers or lengthy periods of falling snow. I haven't had time to read all the posts so there might be one in this thread? Based on what's been posted into this forum, the coldies in the Lofties and on the Adelaide Plains produced an unusual amount of small to tiny hail.

#1204802 - 21/07/2013 10:23 AM July 2013 [Re: Unstable Loc: Adelaide]
teckert
Loc: NE suburbs, Adelaide, South Au...
Originally Posted By: Unstable Loc: Adelaide "So I'm wondering if the white cover on the hills in the Mid-North was mostly snow or mostly hail or a variable mix? Has anyone seen any reports from the Mid-North of substantial snow-showers or lengthy periods of falling snow. I haven't had time to read all the posts so there might be one in this thread? Based on what's been posted into this forum, the coldies in the Lofties and on the Adelaide Plains produced an unusual amount of small to tiny hail."
From reports I have heard & seen there was definitely snow in the Hallett region. I have no doubt the covering on the hills was predominately snow based on those reports.
Got caught in the great stream of showers here in the early hours.... just took out 14mm to make it 44mm from this system in the 4 days. And just hit 100.5mm for the month!!! grin
Anyone else over the 100mm mark yet? Kym you must be now? Werner you would be close?

#1204807 - 21/07/2013 10:36 AM July 2013
paisley
Loc: Magill campus Uni SA (w) & Fir...
From my experience at least in the Lofties, if you get a really grunty coldie going over, you will get rain, then soft hail (graupel) and then finally in the core, everything will go whooshy quiet and the snow will start. Reverse the process on the way out.
Yesterday it did snow at Lofty, but only lightly and not for very long - the white stuff on the ground was soft hail. Still it didn't seem to worry at the kids (and big kids) up there. I have little doubt that the white stuff up at Hallett was snow. Im sure Helen can attest to that.
Helen you should think of cross posting your pix to the snow forum here!
P

#1204808 - 21/07/2013 10:38 AM July 2013
teckert
Loc: NE suburbs, Adelaide, South Au...
I wonder how often snow falls up in the Gammon Ranges? I see its on the state forecast for possible snow about the higher peaks of the Flinders and Gammon Ranges. That's like next to Leigh Creek! A quick look shows peaks above 800m so definitely high enough. You would just need the precipitation to make it that far north???

#1204817 - 21/07/2013 11:39 AM July 2013
Weather Nugget
Loc: Southern suburbs, Adelaide
A report on ABC radio this morning of snow on the peak of Prospect Hill (also known as Mount Thisby) on Kangaroo Island.

#1204824 - 21/07/2013 12:33 PM July 2013
paisley
Loc: Magill campus Uni SA (w) & Fir...
I once saw a video taken from the summit of Mt Hack in the northern Flinders where there was snow on the ground and falling. A long way north, but Mt Hack is ~1100m.
Airstream going more westerly so we might be out of this rainshadow shortly, although not as cold... P

#1204825 - 21/07/2013 12:46 PM July 2013 [Re: ANGRE7]
Markus
Loc: Clare, SA
Originally Posted By: ANGRE7
rolling through hallett now. very foggy frown
Did you end up seeing any remnant snow patches paisley Loc: Magill campus Uni SA (w) & Fir... ? I got up this morning to go but noticed it was 5 degrees and foggy here which is too warm for snow up there, and there was precip up that way so assumed it had probably been melted by rainfall.
Aztech. If I'm not mistaken Helen? that is basically the Mount Bryan/Hallett Hills area which is a broad area of land above 600m. There are few public roads there but a trail to the top of the mountain which takes a couple of hours to climb, so essentially would have needed to climb to touch the snow.
And yes Unstable Loc: Adelaide, there were quite a few people in Hallett reporting snow before the fog cleared revealing white hills. Maybe some hail may have put down a base for the snow but I would say majority was snow, cooler and higher land up this way than lofty makes the difference.

1204922 - 22/07/2013 03:44 AM July 2013
Unstable
Loc: Adelaide
Thanks to those who replied to my comments about snow versus hail in the mid-north, and also and most importantly Helen said it was snow. On my intuitive scale snow cover in winter rates 9 and hail cover in winter about 4. But the hail cover in the Barossa a year or two ago (I forget when) - now that rated about 10 in my book eek
I think most people who saw the white cover on Mt Lofty would have simply assumed it was snow unless they were there when the hail was falling. There was also that discussion we had a while back about the photo of Mt Remarkable with a snow or hail cover. On each of these rare snowchases I learn new things and also forget things. This chase I was impressed by the difficulty of seeing whether it's snowing or just hailing or raining when sitting in a car at night even when the headlights are turned on or a torch is shone out the window. And by the difficulty of determining whether snowflakes are present when a shower of rain and hail and what look like flakes or sleety wafers are falling even when standing out in it as I was. Two methods I didn't try but will next time if I can remember to do it (I forgot this time), are to hold a piece of black cloth out and collect some of the precipitation on it and examine it, and take some still photos with the flash on and the focus set to about a metre. An impressive flotilla of showers there Paul smile It's about 5 degrees on the summit so I'm not expecting any snow.

#1205035 - 22/07/2013 04:46 PM July 2013
stevo1
Loc: Crafers, SA
Thanks for the welcome,
Unstable Loc: Adelaide - that is an interesting clip. It looks like a mixed bag! I'm not an expert but I think there is a clue in the audio as it sounds more like hail.
I've experienced snow fall in several locations around the world and it typically falls different and there is no sound. For me, that's the beauty of it, very peaceful.

#1205037 - 22/07/2013 05:04 PM July 2013
bd bucketingdown
Loc: Eastern A/Hills SA
Looks like floating snowflakes here and there to me UNS in the mix!

#1205060 - 22/07/2013 06:38 PM July 2013
Unstable Loc: Adelaide
This is the video Stevo. I can't hear any noise sounding like hail myself that would correspond with what was falling at the time. There's a noise a couple of times made by me moving the camera agaist my rainjacket or maybe it's wind in the microphone. There's background 'static' of what I'm confident is wind in the trees. It does sound like hail or rain on a roof but there was either no hail falling at the time or nowhere near enough to make such a noise and the roof was maybe 30 to 40 metres away. I can hear a spectator offscreen saying in surprise "snow!" and then again "snow!". Rumors that I bribed her to say it are completely without foundation! poke

#1205069 - 22/07/2013 07:27 PM July 2013
stevo1
Loc: Crafers, SA
Unstable Loc: Adelaide,
My apologies, I was referring to the other clip.
Yes....this one looks like snow.

#1205074 - 22/07/2013 08:32 PM July 2013
Jaybee
Loc: Hope Valley, SA
Saturday:
Went up to Mt Lofty around about 8:30am, drove up via Montacute and Marble Hill, plenty of hail drifts around and sleet above about 600m. Got to the top and everywhere was white, but I'm sure it was all hail/graupel. Waited around there til about 10:30am and not much happened, then spied some coldies drifting in a stream to the east, so I drove out towards Woodside and out further north east of there above 500m. Waited for quite a while but all the showers seemed to avoid my location! Ah well, continued driving, checking out the creeks slowly rising, eventually made it to Pewsey Vale where we waited for some showers to reach us, they had some tiny hail in them. Heading back into Williamstown, I was met with a heavy graupel shower, which I pulled over and stopped for to take a video (on my Facebook profile for those I am friends with). Lunch in Williamstown at about 1:30pm, before heading back into town and not much else happened.
Today:
I work at Houghton Post Office, sorting and delivering mail and parcels. Quite an exciting job up that way, nice scenery and always good in winter for showers of rain and the possibility of snow. Driving up LNE Road, ascending Anstey Hill, I was met with a fierce downpour of rain and I don't think I've ever seen so much water flowing down the road. Right at the top at the junction with Range Road South, the road was covered in ice (hail), so I continued on my way, before I caught back up with another section of the shower which contained hail and lo and behold gave way to a brief sleet shower as I drove down Paracombe Road (~400m asl). That shower also made the roads around Houghton completely white with hail, and I also discovered a few dams well overflowing their limits and flooding across some roads in the district. Quite an eventful mail delivery day!

#1205212 - 23/07/2013 10:30 PM July 2013
SUPER CELL
Loc: ALBERT PARK
My saturday up Mt Lofty
5.15am wake up 30min to get to the Freeway tunnels from Westlakes with no showers. Entered the tunnels dry on one side and hailing on the other which was a big shock as you can imagine. Arrived at the summit at 6.12 to hail and sleet falling.(see pic)
[photo posted]
7.12am this came through http://youtu.be/lIAqcHY3hSE .
At this point there would have been 8 people max at Lofty and a bloke made this snowman (not children as the papers said :P) Caught up with Unstable Loc: Adelaide where we saw a decent hail shower that had flakes in it as he mentioned with Unstable Loc: Adelaides video. Here was my video near the end of the shower at 8.12am http://youtu.be/lIAqcHY3hSE .
I then caught up with Weathermaniac Loc: Whyalla, SA from Whyalla and we caught this at 8.56am (sorry about my excitement) you can hear Weathermaniac Loc: Whyalla, SA in the background also rather excited aswell http://youtu.be/W23Wyj1RGOs
After a coffee and a thaw out, a while of radar checking we figured at 10am that was it for the day.

#1205794 - 31/07/2013 02:14 AM July 2013
Unstable
Loc: Adelaide
Here's a gif file of the 20 BoM mean sea level pressure charts for the 18th to 22nd July 2013. If you click on the link it should open and play in your browser
http://weatherpiccies.com/2013/BoM-surface-charts18-22ndJuly2013.gif
I've also put all 20 individual charts here

Unstable
Loc: Adelaide
Here's a gif file of hourly infared satpics for the period 6pm Thursday 18th July to 6pm Monday 22nd July 2013. There are three versions to choose from: 24 mb, 13 mb or 6 mb. If you click on the file it should play in your browser.
http://weatherpiccies.com/2013/snow20713gifhalfsec24mb.gif
http://weatherpiccies.com/2013/snow20713gifhalfsec13mb.gif
http://weatherpiccies.com/2013/snow20713gifhalfsec6mb.gif
Here's a gif file for Saturday 20th only - it's about 4mb
http://weatherpiccies.com/2013/Saturday20th-only.gif
My source for these satpic images was the Brisbane Storm Chasers page http://realtime2.bsch.au.com/ir_sat.html
We should have weather systems like this more often smile

End of report.

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