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Author Topic: NSW & S Qld Severe Storms: 19-23 September 2008  (Read 93696 times)

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Offline Michael Thomas

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #45 on: 22 September 2008, 09:26:44 AM »
Quite a localised bit of severe weather going on at the moment. I was a little off in my assessment yesterday, with the triple point sitting further south than I was expecting. Anyway, the storm west of Casino looked like a left mover but has since transitioned into more of a line.To me there it appears as it is starting go into bow echo west of Kyogle. This shows up on the Mt Stapylton radar quite nicely. It also looks like a mesocyclone is being detected on the doppler from that storm on the border. With pretty much nothing to its north, things should remaining interesting this afternoon. I bet that storm is throwing out golfballs like there's no tomorrow, or at least hail over 2cm.

EDIT: The storm moving into Qld now has a hook. Turning into a beast.

Michael
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Offline Carlos E

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #46 on: 22 September 2008, 10:00:43 AM »
Queensland have issued the "Dangerous" thunderstorm warning for that massive and very dark cell on top of the border of NSW/QLD.
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Offline Michael Thomas

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #47 on: 22 September 2008, 10:02:15 AM »
Looks like the two main storms are merging, I expect maybe some weakening will occur with this. Once this is done, hopefully we are left with one storm with nothing to compete with it. Read on wz of 5 cm hail as well. Looking forward photos.
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Offline Steven

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #48 on: 22 September 2008, 10:07:53 AM »
Very large and powerful storms, I don't recall seeing anything so large and so severe on radar like that!!

Oh and check Michael's webcam, seriously what the hell???

http://australiasevereweather.com/video/webcam.htm
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Offline Carlos E

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #49 on: 22 September 2008, 10:16:12 AM »
Haha, yeah I was watching that and thought "hmm, sure this isn't 4 in the morning?".

I can't believe it's gone so dark.
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Offline Steven

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #50 on: 22 September 2008, 10:46:45 AM »
It's not 4am now, it's 5:30am! Ha ha.

On a more serious note, Beaudesert is in line for a direct hit from that monster. I hope everyone down there is OK!
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Offline Michael Thomas

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #51 on: 22 September 2008, 11:08:51 AM »
Still a battle for supremacy out there. Since the first cell merger we have not had what I would saw are 'classic' radar signatures. That said, I am sure these are dangerous storms. The cell west of Beaudesert appears to be the best bet for the next dominant cell. Now, I have a question, I have not got much experience looking at doppler images but I know the generally principles. Just to the SW of Beaudesert on the 6:37UTC image there is a small region of yellow (away from the radar) opposition a larger region of blue (towards the radar). Is this significant?

Michael
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Offline Shaun Galman

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #52 on: 22 September 2008, 11:27:22 AM »
Hi guys,
Oh man what a day on the eastern coast AGAIN! ;)
Looks to be an enormous left moving cell splitting from the main line and headed up towards the Ipswich area. No doubt severe as hell looking at the radar currently (5:22pm). I haven't seen such a strong left moving storm in ages!!! I hope the guys are out on it, and safe!

Also some very nice looking developing storms between Stanthorpe and Tenterfield so further action is abound for the NE over the next few hours!

What an awesome start to Spring to say the least, mesocyclonic LP & HP supercells, large hail, lightning, the works!!

I'd give my right arm to be over there! :D

Cheers and take care,
Shauno

edit: This definitely needs a current (5:30pm) radar loop and VIS sat image if possible MB! What a gorgeous storm! :D
« Last Edit: 22 September 2008, 11:37:09 AM by Shaun Galman »
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Offline Mike

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #53 on: 22 September 2008, 01:13:30 PM »
Can anyone give the link for the GIF streamline wind flows?  I'd like to view them.
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Offline Michael Bath

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #54 on: 22 September 2008, 02:06:21 PM »
Had another great storm chase with Jason again this arvo - will sort out those pics in the morning.

But this evening another storm developed and it just went nuts with the number of staccatos!! These were taken from Tregeagle near Lismore about half an hour ago.

All F8, 50mm lens











It got too close then rained so that was it !


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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #55 on: 22 September 2008, 02:36:18 PM »
Was so hoping that you were out chasing today Michael. Great shots.

I have a friend out at Kooralbyn and she was saying the clouds were green out there today ... then they got some hail.
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Offline Adrian

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #56 on: 22 September 2008, 02:44:37 PM »
Fantastic shots Michael !!!!

Thanks for sharing ... starting to pine for our wet ;)


Cheers,
.adrian
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Offline Shaun Galman

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #57 on: 22 September 2008, 02:52:53 PM »
Hi all,
Michael: Those lightning photos are easily the best I've seen in a year or two! (I've seen quite a few in that time)
The first two are amazing. Looks like the last image needed to be stopped down to around f/16-22 & ISO-100 at minimum! Boy they are close CG and staccato to boot!

I'll bet there were a few other stunning photos taken today! I can't wait to see'em :D

Unbelievable!

Kindest regards,
Shauno

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Offline Michael Bath

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #58 on: 22 September 2008, 02:58:28 PM »
Not sure why the webcams went so dark this arvo - bit weird !!

Shauno - that early evening storm was a gift - I have 20 more great photos not shown here. Jason will be posting his soon too.

Mike - all those streamline ones can be accessed from this page (the links I had bookmarked have changed):

http://www.australianweathernews.com/current_AWN_charts.shtml

Here's today's VIS - how's that overshoot at 4.30pm !!!   I'll do radar loops tomorrow morning.

1.30pm

2.30pm

3.30pm

4.30pm

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Offline Shaun Galman

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RE: NSW & S Qld Severe Storms: 19-23 September 2008
« Reply #59 on: 22 September 2008, 03:23:17 PM »
Quote from: Michael Bath on 22 September 2008, 02:58:28 PM
Here's today's VIS - how's that overshoot at 4.30pm !!!   I'll do radar loops tomorrow morning.

Is it me or does that 4:30pm VIS image of the overshoot look to have some sort of an anti-clockwise spiral rotation? I noticed this at the time while "chair chasing" the storms.

I heard reports on the Ch.7 Brisbane news that they were receiving up to 50mm per half hour (out near Beaudesert) from that HP SC.

Storms are still firing strongly in SE QLD now also. Seemed to be several dozen nice multicells kicking off around the Warrego that are still very active.

MB: From the looks of those photos, I would believe you would have 20 more great ones! Love the ones that are lighting up the surrounding ground around the strike zone! Just stunning :) I'm finding myself staring at the photos in awe lol

Cheers,
Shauno
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