Thunderstorms Sept 24th-26th
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For today's weather discussion head to: New Zealand Weather & Climate
These topics are a read-only archive and may be subject to out-of-date information.
For today's weather discussion head to: New Zealand Weather & Climate
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Re: Unsettled Period Late September 2009
looking very squally on the radar too with some lightning showing up!
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Thunderstorms Sept 24th-25th
Thought it might be an idea to have a separate thread for these T-Storms.
Yes, MetService have a moderate risk of severe T-Storms for the upper North Island as the cold front moves over this afternoon and evening, with possible squally gusts to 120 km/h and a chance of a few small tornadoes. They also have a high risk of T-Storms tomorrow with the following trough.
Yes, MetService have a moderate risk of severe T-Storms for the upper North Island as the cold front moves over this afternoon and evening, with possible squally gusts to 120 km/h and a chance of a few small tornadoes. They also have a high risk of T-Storms tomorrow with the following trough.
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Re: Unsettled Period Late September 2009
big flash of lightning and booming thunder!
big rain squall!!!
9mm in only a few minutes!
big rain squall!!!
9mm in only a few minutes!
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Re: Thunderstorms Sept 24th-25th
Reports of flooding from the slow moving squall line now.. Henderson, New Lynn, Avondale.. waiting, waiting
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Re: Thunderstorms Sept 24th-25th
3PM AK radar looks like the line will dump a lot of rain over the West and South Auckland areas and will skim past the CBD maybe. Jealous of your dewpoints up there!
Still cloudy, dry and cold here in Chch city. Don't think it will change much apart from scattered rain developing tonight.
Still cloudy, dry and cold here in Chch city. Don't think it will change much apart from scattered rain developing tonight.
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Re: Thunderstorms Sept 24th-25th
Chucking it down here. There was a bit of a gust front as it came in.
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Re: Thunderstorms Sept 24th-25th
very very heavy rain here in greenlane. roads flooding. no thunder heard as of yet.
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Re: Thunderstorms Sept 24th-25th
Thunderstorm activity has been over South Auckland/ northern Waikato.
An intense downpour here with the Front.
Joined 3 photos to show the Front moving in over West Auckland
An intense downpour here with the Front.
Joined 3 photos to show the Front moving in over West Auckland
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Re: Thunderstorms Sept 24th-25th
Hmm... didn't hear anything and rain not so heavy here, but it sure has got gusty.
Quite a few CG's on the tracker as the T-Storms went through...
Quite a few CG's on the tracker as the T-Storms went through...
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Re: Thunderstorms Sept 24th-25th
dam missed the weather as i was down in the basement all day. Around 45mm so far at my parents from this system
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Re: Thunderstorms Sept 24th-25th
check out the latest 6pm vis sat picture
the next front in the tasman has cb's casting big shadows to the east of them
also looks like you can see the oz dust in the dry slot just about to reach the NI...but not in time for the sunset
http://www.metservice.co.nz/public/maps ... atest.html
the next front in the tasman has cb's casting big shadows to the east of them
also looks like you can see the oz dust in the dry slot just about to reach the NI...but not in time for the sunset
http://www.metservice.co.nz/public/maps ... atest.html
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Re: Thunderstorms Sept 24th-25th
Seemed to weaken as it hit land, no thunder heard here and only 6mm of rain from it
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Re: Thunderstorms Sept 24th-25th
im not suprised if it rained out by the time it got to east auckland - in the central it was like a swimming pool falling from the sky. those drops had to be 1cm across, at the surface! i cant imagine what kind of updrafts were keeping them going to get that size.
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Re: Thunderstorms Sept 24th-25th
Yes a nice line there and I'm sure this will persist as its moving into fairly moist environment. But the upper wind flows are modeled to weaken so I don't think there will be a robust lightning show with this line. Daytime heating tomorrow should intensify thunder activity over Waikato/BOP in particular.the next front in the tasman has cb's casting big shadows to the east of them
Re: Thunderstorms Sept 24th-25th
The midday tommorow map looks ideal for thunderstorms in Waikato to me. Metservice have got a high chance of thunderstorms all day and it looks like a trough will pass over around the hottest part of the day. Though this is my extremely uneducated (and hopeful) estimate.
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Re: Thunderstorms Sept 24th-25th
Nuts here around 3pm.. took both cars in for WOF's and when swapping I heard some buzz's on the AM radio.. saw the flashes and wham down it came, serious surface flooding from buckland all the way up to paerata.. numerous rat runs in pukekohe were close to impassable due to the sheer volume of water falling from the sky, incredible.. havent driven through a dump like that since i was in queensland.
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Re: Thunderstorms Sept 24th-25th
I am thinking tomorrow is a Non-event, LI is not good for tomorrow basing this on my forecast and GFS too, and as these fronts/troughs have a habit of weakening when they come to shore.
I think the best we will get is just thundershowers which is like a 1 clap wonder.
I can only hope that this changes, but i am not holding my breath.
I think the best we will get is just thundershowers which is like a 1 clap wonder.
I can only hope that this changes, but i am not holding my breath.
NZAPStrike.net - NZ Aus Pacific Strike Network
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Re: Thunderstorms Sept 24th-25th
Great pano spwill
Well I never heard thunder any/or sighted any lightning activity here at all today... the only exciting thing that happened that I can report was a spell of heavy localized rain as we drove from Kaitaia back east towards the bay. There was surface flooding in paddocks, yes, though I have seen it worse, it will be interesting to see what tommorrow brings, take care.
Camera - Canon A200IS || Settings - ISO 80 F3.2 1/30 || 15:14hrs || Location - California Hills - Northland
Well I never heard thunder any/or sighted any lightning activity here at all today... the only exciting thing that happened that I can report was a spell of heavy localized rain as we drove from Kaitaia back east towards the bay. There was surface flooding in paddocks, yes, though I have seen it worse, it will be interesting to see what tommorrow brings, take care.
Camera - Canon A200IS || Settings - ISO 80 F3.2 1/30 || 15:14hrs || Location - California Hills - Northland
Last edited by DT-NZ on Thu 24/09/2009 21:35, edited 1 time in total.
Lightning in NZ
The right terminology lends a hint as to the nature of the different forms.
A Vertigo Quote.
The right terminology lends a hint as to the nature of the different forms.
A Vertigo Quote.
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Re: Thunderstorms Sept 24th-25th
Looking at the way that low is winding up out in the tasman.. mother nature reminding us to put the clocks forward, a couple of days in advance perhaps?
Still a thunderday to mark down for this season.
Still a thunderday to mark down for this season.