Author Topic: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010  (Read 20918 times)

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Offline Jimmy Deguara

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #30 on: 10 November 2010, 02:23:01 PM »
Hi David,

I was actually looking for the lookout myself a little more later and could not find it so I ended up in Five Dock! I was at the boat ramp watching this inflow feature and base Nick and you guys had.

I do have timelapse of it as well.

Interesting.

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Jimmy Deguara
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Offline Richary

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #31 on: 10 November 2010, 04:35:56 PM »
As a side issue and I don't have the plots with me, we now have remote monitoring on some of our microwave links around Sydney. The graps for the ones around here such as Parramatta to Crows Nest showed a good dip in signal strength around 5:30 when the first brief storm came through, then about 8:30 as the big line crossed we dropped 18 dB in signal strength.

That equates to a received signal strength about 1.6% of normal, so that's the effect the heavy rain has on the links (they didn't fall over though).

Offline Harley Pearman

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #32 on: 10 November 2010, 10:10:33 PM »
Seconds after I had uploaded photos to my third post on this thread, there were three cloud to ground lightning strikes close to where I live with the third one knocking out the power for several seconds and ensuring a close range thunderclap.

The evening storms came through that saw three cells pass over, each one bringing bursts of heavy rainfall, wind and much lightning, much of it intra cloud. I did see a low shelf cloud pass over as the second storm started to pass over.

Final rainfall totals from this event are quite amazing as the storms were hit and miss. According to the BOM Weather stations, up until 9 am 9/11/2010 for Sydney, 65 mm fell at Holsworthy followed by 60 mm at Liverpool. Falls of 17 to 68 mm fell across south west Sydney (Worst affected) with 30 to 35 mm around Auburn and Lidcombe, 36 mm at Fairfield, 18 mm at Blacktown but only 9 mm at Seven Hills. Sydney's north shore saw much less action (3 to 9 mm), Sydney City 6.4 mm but 12 to 18 mm around Dee Why. Unfortunately the amount of rain that fell at St Marys where I was earlier is not known because there is no weather station in that locality which caught that storm cell.

Please find below two more photos of the evening cell (Base structure) that later became part of the cell that moved over Parramatta. Prior to taking these, a considerable amount of thunder was audible from the anvil cloud that spread north and east. I am looking south and west but the base is close to where I was located. Following this, the main evening storms started to come through.

Harley Pearman

Offline pingtang

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #33 on: 11 November 2010, 05:56:03 AM »
On Sunday (The 7th November) me and Lightning Chaser, chased into Central Victoria intercepting a fantastic supercell near Benella. Heres a photo and some timelapse.



Benalla supercell. Victoria

Following this storm Lightning Chaser headed for home as he had to work the next day. I on the other hand intercepted a nice squall line near Howlong after dark,witnessing a nice gust front and lightning.




Offline Shane Watson

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #34 on: 11 November 2010, 02:07:28 PM »
Fantastic storm chase in Sydney's west today. Unfortunately hit a dog on the m4 at 110km/hr - wasn't very pretty, I felt so bad but it was either hit it or loose control of my car and probably flip it. Apart from that a fantastic storm cell etc. Unfortunately in the last scene, I did have a longer timelapse but my video camera ran out of power and my mate has the charger, so unable to finish it off, but you get the idea. Video below of some of the action:

Penrith storm cell - 10th Nov 2010

Offline Richary

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #35 on: 11 November 2010, 02:18:24 PM »
This afternoon the rain certainly came down with a vengeance at Chatswood, been a long time since I have seen it raining like that. As a guide the closest station at Terrey Hills reported 35mm between 4:30 and 5pm. Made for a bit of a slow trip home. This photo taken on Victoria Avenue.


Offline Jimmy Deguara

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #36 on: 11 November 2010, 03:17:25 PM »
Hi,

Firstly, without focusing on anyone in particular due to my time constraints, great to see some excellent storm structures once again and lightning! The variety has been a blessing this season.

Storm Chase Western Sydney and then Gosford 10th November 2010

Began at Rouse Hill and simply began timelapse which went for 25 minutes before I stoped with the hint of outflow and headed for the cell developing over Hornsby. I only was able to make through to near Gosford  to timelapse about 10 or so minutes before the cell went linear. The bloody traffic coming in and out of Gosfrod was enough to signial the end of the chase and stop me from chasing the third cell over the Wyong vicinity.







Regards,

Jimmy Deguara
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Offline Brad Hannon

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #37 on: 11 November 2010, 05:21:52 PM »
Hi, on Sunday I chased with John Allen and got onto the same supercell as Pingtang (although we didnt meet till the next day!) and got a fantastic low strong wallcloud.  Today we chased (I was a last minute inclusion ;)) south east of Benalla and we scored a series of relatively low-topped cells, however  they continually produced wall clouds with at least one rotating which should make for nice timelapse. Thunder was near contiuous on the early cells which we were very close to and at one stage the rotation was near overhead.  Some pics of the Sunday supercell and today chase can be seen here: 

http://www.theaustralianweatherforum.com/forum/viewtopic.php?f=23&p=33384#p33384

Brad.
hmmm June 2nd......

Offline David C

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #38 on: 11 November 2010, 05:34:19 PM »
Another after work special for me.  The base was quite interesting on this storm at one point, however, instability was somewhat more marginal than Monday and a storm that developed to the north probably put the final nail in the coffin of this one.  Video captures from near Berowra:
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Offline Michael Bath

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #39 on: 12 November 2010, 05:14:53 AM »
This was reported by Ron from Walcha:

Quote
Several properties 5km south west of Walcha had a massive downpour on Tuesday night. One of the people is a work colleague and he recorded 150mm between 8:15 and 9:30pm!! He lost most of the fences on his hobby farm.We got 6mm in town. We were able to watch the light show from a safe distance-just!!

That's a very impressive rainfall for that area, and betters what you'd see during extreme coastal location events. You can see the cell responsible in this radar loop. Notice the stationary red reflectivity due east of the radar (just SE of Woolbrook) between 8pm and 9.30pm EDT

256km Radar Loop for Namoi, 06:00 09/11/2010 to 12:00 09/11/2010 UTC
Location: Mcleans Ridges, NSW Northern Rivers
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Lightning Photography:   http://www.lightningphotography.com/
Early Warning Network: http://www.ewn.com.au
Contact: Michael Bath

Offline Hardy25

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #40 on: 12 November 2010, 08:54:35 AM »
a couple of really nice cells on radar atm on the terry hills on bom

Edit: can you expand on this further for that did not see it?  JD
« Last Edit: 12 November 2010, 03:45:54 PM by Jimmy Deguara »

Offline Jimmy Deguara

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #41 on: 12 November 2010, 04:17:40 PM »
Hi,

Just wanted to add some video timelapse on the event:

Hail storm base timelapse Western Sydney 10th November 2010

Regards,

Jimmy Deguara
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Offline Jimmy Deguara

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #42 on: 12 November 2010, 04:35:48 PM »
Hi,

The end of the day component of the chase into the Breeza Plains - lovely country. This storm exhibited a hail core and interesting moveoment on radar - perhaps photogenic though the storm at this point coming over the range was on its last legs. I had intercepted it earlier though and had experienced hail to 2cm inside the core.

NW Slopes severe storm 7th November 2010

Regards,

Jimmy Deguara
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Offline Hardy25

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #43 on: 12 November 2010, 06:50:34 PM »
a couple of really nice cells on radar atm on the terry hills on bom

Edit: can you expand on this further for that did not see it?  JD

opps JD sorry was a passing comment, ill try find the archive of what i saw.

seems short lived but they were shaping up to be nice

Offline Antonio (stormboy)

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Re: VIC, NSW, S QLD Severe Storms 7 - 11 November 2010
« Reply #44 on: 13 November 2010, 06:33:08 PM »
Hi,

Just wanted to add some video timelapse on the event:

Hail storm base timelapse Western Sydney 10th November 2010

Regards,

Jimmy Deguara

Jimmy i noticed on the end part of the video it turns very windy why is that?

Antonio