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#1396104 - 06/12/2016 11:52 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Ken Kato Offline
Weatherzone Addict

Registered: 05/03/2012
Posts: 4501
A strong front sweeps through here towards the end of the week with a rather impressively cool airmass behind it (for this time of year) by the weekend.

Might get a bit windy in places also.

The EC windytv map below is for late Friday although there's always the chance the timing of the front may be earlier or later than expected:





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#1396108 - 06/12/2016 12:16 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
DDstorm Offline
Weather Freak

Registered: 13/05/2010
Posts: 155
Loc: Tallai, QLD
Nice maps, thx Ken. Be glad of that, not nice digging holes in this current pattern.
Suns out with a vengeance and heating, will this assist any activity later today?
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#1396110 - 06/12/2016 12:27 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Mega Offline
Meteorological Motor Mouth

Registered: 03/02/2003
Posts: 6444
Loc: Maryborough, Wide Bay, QLD
Looking forward to the cooler weather to be honest. Out of all this heat we've only really had one weak storm so it may as well bugger off now.

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#1396112 - 06/12/2016 12:34 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
DanubeRS Offline
Weather Freak

Registered: 28/10/2010
Posts: 252
Loc: Ormiston, SE QLD
Any chance of any activity riding the change? All models are hinting at westerlies across the region, but could there be the possibility of some costal rumbles as the change moves up?


Edited by DanubeRS (06/12/2016 12:35)

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#1396116 - 06/12/2016 13:22 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Mezo]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1236
Loc: Australia
Originally Posted By: Mezo
Nice work again, Gleno. Not surprised storms kicked on well through the night, there was still more than enough heat, 25c when i went to bed at 11:30.

Thanks Mezo appreciate it

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#1396117 - 06/12/2016 13:38 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1236
Loc: Australia
Thanks Locke and Joesk
Also great photos CJI and plumbob
Well done once again

As for the risks, your pretty much dicing with death or injury when storm chasing, although the chances of being struck is rather small, it's still a chance.
Then there's the risk of being hit with debris from fallen trees, and being on the road in bad weather is probably a bigger risk of being in a accident than being struck by lightning.


If I hear thunder only a few seconds after lightning, I bail and head for shelter or hop in the car.
I'm no expert on lightning, maybe Ken or someone else can give some insight as to how risky it is to storm chase.
If lightning strikes several away , does that mean your still in a safety zone when taking photos?

I have heard reports or seen pictures of lightning striking many Km's from the main cloud itself.

Another thing, how does lightning choose on where to strike?
For example,
A few years ago didn't someone die from being struck by lightning on a beach at Fraser island? And there were many people on the beach at the time?

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#1396119 - 06/12/2016 14:06 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Ben Offline
Meteorological Motor Mouth

Registered: 11/10/2002
Posts: 5297
Loc: Loganholme/Tweed Coast
Last night was insane!! Fantastic pics guys, and that is some effort Gleno doing all those kms. I was buggered and could only listen to the 4am stuff from bed, and boy was it loud. Never seen such a sustained period of such frequent lightning before.

Quick shot from near Ballina.


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#1396121 - 06/12/2016 14:11 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4258
Loc: NSW Port Stephens
Gee you guys have had some fun this last week!!
Thanks to all for sharing your stunning pics and vids!! great stuff. smile
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MTD 5.7mm
YTD 1058.7mm
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YNWA

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#1396127 - 06/12/2016 15:02 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1236
Loc: Australia
Thanks Ben and awesome shot.
Looks like afternoon action has already started on the Northern Tablelands, but i'm unsure if I feel like travelling out that far lol. If it makes it east of Glenn Innes I might get interested

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#1396129 - 06/12/2016 15:10 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: gleno71]
sharjay Offline
Weather Freak

Registered: 31/05/2011
Posts: 931
Loc: Mooloolaba Sunshine Coast QLD
Originally Posted By: gleno71

If I hear thunder only a few seconds after lightning, I bail and head for shelter or hop in the car.
I'm no expert on lightning, maybe Ken or someone else can give some insight as to how risky it is to storm chase.
If lightning strikes several away , does that mean your still in a safety zone when taking photos?

I have heard reports or seen pictures of lightning striking many Km's from the main cloud itself.

Another thing, how does lightning choose on where to strike?

Gleno i read on the internet that lightning can strike up to 20km from the cloud. I bail when the thunder starts getting louder and the sound of it is less than count to five after the flash...not sure if old wives tale of each number you count after the lightning until you here the thunder means storm is a kilometre for each one away from you. so if you count to 3 its 3km away. not a good method considering lightning can strike from up to 20km distance away.

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#1396131 - 06/12/2016 15:30 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Ken Kato Offline
Weatherzone Addict

Registered: 05/03/2012
Posts: 4501
A big proportion of that sort of lightning which strikes far away from the cloud is positive lightning but on average, it only makes up a small proportion of all the lightning that occurs. It often comes from the anvil of the cloud where positive charges build up and because it has to travel a much bigger distance to the ground than other types of lightning, it's extremely powerful.

That's where the term "bolt from the blue" comes from because the storm may sometimes look too far away to pose any danger with even clear skies above you so people get caught unaware. They often come down well ahead of a storm or after one looks like it's cleared away.

The preference for lightning to hit particular objects or points on the ground depends on a lot of things including the height and shape of the object and possibly even what the soil is like there, etc. Even though higher pointy objects tend to get hit by lightning more often, points on flat ground can also get hit. For typical lightning, a lot of it depends on how well the object or point on the ground can allow positive streamers (channels of ionised air) to translate upwards through the air and hook up with the leaders that come down from the cloud and discharge as lightning.

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#1396132 - 06/12/2016 15:31 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Bello Weather]
Sameoldstory Offline
Weather Freak

Registered: 18/11/2012
Posts: 84
Loc: Auckland
Originally Posted By: Bello Weather
Wish you could add videos to this site easily...had an almighty storm go through last night, video of the lightning on this page: https://www.facebook.com/bellingenweather/. So many places lost power or had their equipment blow up - some big damage around the place frown Up to 75mm across our region, desperately needed as well - rivers were running dry. Now hoping for a repeat (without the damage) today.


There's some good stuff on that page BW. Do you know if that chart that shows all last nights lightning strikes is available to general public? If it is, what website is it found at?

The lightning tracker I use at lightningmaps.org only shows strikes for the past hour, but it'd be good to sometimes keep track of them for previous 24 hours.

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#1396135 - 06/12/2016 15:39 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Mezo Offline
Weather Freak

Registered: 01/12/2011
Posts: 715
Loc: Under the Meso (or Springfield...
Just checked the temp on my home weather station, surprised to see 38.8! Well above the forecast. It's not all bad being "stuck" in an air conditioned office, I suppose.
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Springfield Weather Obs

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#1396136 - 06/12/2016 16:04 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1236
Loc: Australia
Thanks for the valued information Ken

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#1396138 - 06/12/2016 16:32 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: sharjay]
ColdFront Offline
Meteorological Motor Mouth

Registered: 29/06/2008
Posts: 17687
Loc: Wide Bay..Near the beach
Originally Posted By: sharjay
[quote=gleno71]
i read on the internet that lightning can strike up to 20km from the cloud.


Much further than that. The lads in Darwin had a bolt drop on the harbour from a cell around 3 times further away.
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#1396140 - 06/12/2016 16:49 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
ozone doug Offline
Weatherzone Addict

Registered: 06/11/2006
Posts: 1608
Loc: Roma SW QLD Eye to the West...
The worst ones can be out the back off the storm ,Have been recorded at 40km. Called bolt from the blue as the sky may be blue.
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#1396141 - 06/12/2016 16:51 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Sameoldstory]
Bello Weather Offline
Weather Freak

Registered: 10/07/2012
Posts: 354
Loc: Bellingen NSW 2454
Originally Posted By: Sameoldstory
Originally Posted By: Bello Weather
Wish you could add videos to this site easily...had an almighty storm go through last night, video of the lightning on this page: https://www.facebook.com/bellingenweather/. So many places lost power or had their equipment blow up - some big damage around the place frown Up to 75mm across our region, desperately needed as well - rivers were running dry. Now hoping for a repeat (without the damage) today.


There's some good stuff on that page BW. Do you know if that chart that shows all last nights lightning strikes is available to general public? If it is, what website is it found at?

The lightning tracker I use at lightningmaps.org only shows strikes for the past hour, but it'd be good to sometimes keep track of them for previous 24 hours.


Here it is- great site for recent lightning records: http://myfirewatch.landgate.wa.gov.au/
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www.bellingenweather.org

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#1396142 - 06/12/2016 16:56 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
Mad Elf #1.5 Online   content
Weatherzone Addict

Registered: 05/03/2012
Posts: 2735
Loc: Mt Hallen QLD
Looks to me a long line building out west near Roma, inching its way across.

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#1396147 - 06/12/2016 17:38 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Mad Elf #1.5]
james1977 Offline
Weatherzone Addict

Registered: 16/11/2009
Posts: 2800
Loc: collingwood park
Originally Posted By: Mad Elf #1.5
Looks to me a long line building out west near Roma, inching its way across.


Bloody hope so mate, she's been a warm one out here today. 39.7 on my home thermometer
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#1396148 - 06/12/2016 17:38 Re: SEQLD/NENSW Continuing Thunderstorm Activity - 3rd to 9th December 2016 [Re: Seabreeze]
gleno71 Offline
Weatherzone Addict

Registered: 09/11/2007
Posts: 1236
Loc: Australia
The Cell NW of Glenn Innes, interesting to see if that makes the coast eventually

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