Thunderstorms/heavy showers - Dec 10-11
-
- Posts: 334
- Joined: Sat 05/07/2008 10:36
- Location: Timaru, New Zealand. 13m asl
- Has thanked: 1 time
- Been thanked: 27 times
Re: Thunderstorms/heavy showers - Dec 10-11
Managed to catch a thunderstorm out maungati with thunder, lightning and hail earlier
-
- Posts: 138
- Joined: Tue 18/06/2013 23:29
- Location: Otahuhu, Auckland
- Has thanked: 48 times
- Been thanked: 18 times
Re: Thunderstorms/heavy showers - Dec 10-11
Was out for an early dinner in Penrose and got a very heavy deluge from that cell earlier. Poor restaurant got flooded. A lot of surface flooding on the way home.
-
- Posts: 2717
- Joined: Sat 03/06/2006 20:11
- Location: Rolleston, Canterbury
- Has thanked: 359 times
- Been thanked: 622 times
Re: Thunderstorms/heavy showers - Dec 10-11
Change of plan..didn't head out in the end as it's unlikely things will spark up anyway.
Yes agreed tomorrow is a chance for Canterbury and otago
Yes agreed tomorrow is a chance for Canterbury and otago
Mike
Stormchasers.co.nz
Stormchasers.co.nz
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
Some photos looking south and upwards from here of this afternoons instability.
You do not have the required permissions to view the files attached to this post.
JohnGaul
NZThS
NZThS
- David
- Posts: 7596
- Joined: Sat 18/08/2007 21:02
- Location: Howick, Auckland
- Has thanked: 424 times
- Been thanked: 834 times
- Contact:
Re: Thunderstorms/heavy showers - Dec 10-11
Heard a nice rumble just before 7am, picked up 5mm of rain the last few hours.
- Nev
- Moderator
- Posts: 6247
- Joined: Tue 07/03/2006 15:24
- Location: Waiheke Island, Hauraki Gulf
- Has thanked: 479 times
- Been thanked: 1093 times
Re: Thunderstorms/heavy showers - Dec 10-11
This morning's update for today...
MetService Thunderstorm Outlook
A large trough with a humid airmass lies over the country. A slow-moving front within the trough is over the North Island. A low is expected to move slowly eastwards across the South Island during the day. These features, combined with daytime heating lead to unstable conditions in many places.
This morning, there is a moderate risk of thunderstorms about western Northland, Auckland and Waikato. The area of moderate risk expands this afternoon to also cover Waitomo, much of Bay of Plenty, central North Island and Hawke's Bay. These thunderstorms may be accompanied by localised heavy rain with intensities of 10 to 25 mm per hour and hail, reaching 5 to 10 mm in diameter this afternoon and evening. There is also a low risk this afternoon and evening of severe thunderstorms in this area, bringing localised downpours with intensities of 25 to 40 mm per hour. The thunderstorms should ease this evening.
There is also a moderate risk of thunderstorms about parts of Buller and Westland this morning until tonight, and about most of the rest of the South Island during the afternoon and evening. These thunderstorms may produce hail of 5 to 15 mm in diameter and localised heavy rain of 10 to 25 mm per hour, and possibly more.
Outside the above areas, there is a low risk of thunderstorms this afternoon and evening that covers the rest of New Zealand apart from some central areas and Stewart Island, as shown on the chart.
Issued: 7:45am Sun, 11 Dec
Valid to midnight Sun, 11 Dec
You do not have the required permissions to view the files attached to this post.
- Storm Struck
- Posts: 4880
- Joined: Wed 17/11/2004 21:25
- Location: Belfast Christchurch
- Has thanked: 23 times
- Been thanked: 396 times
Re: Thunderstorms/heavy showers - Dec 10-11
Today is more about good local convergences as the upper trough and low cross over to the east.
-22c upper air still relatively warm although for summer is not too bad, any cells will be heavy in nature with moderate size hail 15-20mm.
-22c upper air still relatively warm although for summer is not too bad, any cells will be heavy in nature with moderate size hail 15-20mm.
Canterbury, home of good rugby and severe storms
- Richard
- Posts: 8416
- Joined: Tue 14/07/2009 07:32
- Location: Medbury, Inland North Canterbury
- Has thanked: 1686 times
- Been thanked: 808 times
Re: Thunderstorms/heavy showers - Dec 10-11
In Alex atm and heading up the center of the SI. Should be interesting watching how things develop along the way.
Last evening at around 7.00pm near Lawrence there was a heavy downpour and hail. Some thunder and lightning
Last evening at around 7.00pm near Lawrence there was a heavy downpour and hail. Some thunder and lightning
-
- Posts: 2717
- Joined: Sat 03/06/2006 20:11
- Location: Rolleston, Canterbury
- Has thanked: 359 times
- Been thanked: 622 times
Re: Thunderstorms/heavy showers - Dec 10-11
Today for me I feel south Canterbury/ inland timaru area is the best spot. If we are going to chase that's where we are heading. That's where the best convergences and dew points sit.
Timaru might get a thunderstorm as they spread to the coast.
There could well be other storms fire up mid Canterbury but that's the best spot.So John you might see us down your day later.
Timaru might get a thunderstorm as they spread to the coast.
There could well be other storms fire up mid Canterbury but that's the best spot.So John you might see us down your day later.
Mike
Stormchasers.co.nz
Stormchasers.co.nz
-
- Posts: 773
- Joined: Sun 06/12/2020 20:15
- Location: Ashburton
- Has thanked: 1613 times
- Been thanked: 417 times
Re: Thunderstorms/heavy showers - Dec 10-11
I’ve been watching some decent towers go up inland from here since about 9.30 this morning. A nice easterly blowing too with some good sunshine.
Edit to add a cell appears to be developing on radar near the Mt Peel hot spot.
Edit to add a cell appears to be developing on radar near the Mt Peel hot spot.
- Richard
- Posts: 8416
- Joined: Tue 14/07/2009 07:32
- Location: Medbury, Inland North Canterbury
- Has thanked: 1686 times
- Been thanked: 808 times
Re: Thunderstorms/heavy showers - Dec 10-11
Just done a storm SW of Geraldine, down to 30kmph in really heavy rain.
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
Some thunder now to the south of here heading towards Timaru, Mikemikestormchaser wrote: ↑Sun 11/12/2022 10:34 Today for me I feel south Canterbury/ inland timaru area is the best spot. If we are going to chase that's where we are heading. That's where the best convergences and dew points sit.
Timaru might get a thunderstorm as they spread to the coast.
There could well be other storms fire up mid Canterbury but that's the best spot.So John you might see us down your day later.
JohnGaul
NZThS
NZThS
- Richard
- Posts: 8416
- Joined: Tue 14/07/2009 07:32
- Location: Medbury, Inland North Canterbury
- Has thanked: 1686 times
- Been thanked: 808 times
Re: Thunderstorms/heavy showers - Dec 10-11
Looking back at what we went through
You do not have the required permissions to view the files attached to this post.
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
Some thunder heard, now, in the Mt. Peel region (TC Corner). Could come this way.
JohnGaul
NZThS
NZThS
- Richard
- Posts: 8416
- Joined: Tue 14/07/2009 07:32
- Location: Medbury, Inland North Canterbury
- Has thanked: 1686 times
- Been thanked: 808 times
-
- Posts: 4027
- Joined: Sun 08/08/2010 16:49
- Location: Ashburton, Mid-Canterbury, 110m asl.
- Has thanked: 1408 times
- Been thanked: 342 times
Re: Thunderstorms/heavy showers - Dec 10-11
Well I've just planted some seedlings in the garden so now awaiting the promised showers
22.7°C here, cloud and overcast building, light southeasterly breeze.
22.7°C here, cloud and overcast building, light southeasterly breeze.
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
Thanks for popping in. Raining here now but I think the thunder activity has ceased.
It has done, now gone southerly with clagg rolling in and much cooler .
JohnGaul
NZThS
NZThS
-
- Posts: 773
- Joined: Sun 06/12/2020 20:15
- Location: Ashburton
- Has thanked: 1613 times
- Been thanked: 417 times
Re: Thunderstorms/heavy showers - Dec 10-11
Only a 2 minute shower here so far. I see round two is developing around the inland hot spots at the moment.
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
All over bar the shouting. Haven't heard a sferic for ages. Calm and raining now.
JohnGaul
NZThS
NZThS
-
- Posts: 2717
- Joined: Sat 03/06/2006 20:11
- Location: Rolleston, Canterbury
- Has thanked: 359 times
- Been thanked: 622 times
Re: Thunderstorms/heavy showers - Dec 10-11
Pretty much panned out as expected. Only saw one flash and a clap of thunder in mayfield and the storm looked good for awhile but didnt come to much. Was never a huge day today. Ended up stopping to see John this afternoon which was great and another friend in mt somers on way back from Geraldine.
Mike
Stormchasers.co.nz
Stormchasers.co.nz
- Richard
- Posts: 8416
- Joined: Tue 14/07/2009 07:32
- Location: Medbury, Inland North Canterbury
- Has thanked: 1686 times
- Been thanked: 808 times
Re: Thunderstorms/heavy showers - Dec 10-11
That's was great timing today, after leaving your place those rumbles we heard when we were there we drove through, a heavy shower as well along with two flashes, but boring from then on.NZ Thunderstorm Soc wrote: ↑Sun 11/12/2022 18:31 All over bar the shouting. Haven't heard a sferic for ages. Calm and raining now.
- David
- Posts: 7596
- Joined: Sat 18/08/2007 21:02
- Location: Howick, Auckland
- Has thanked: 424 times
- Been thanked: 834 times
- Contact:
Re: Thunderstorms/heavy showers - Dec 10-11
Had a bit of a "shower train" here for a few hours this evening with some heavy falls, 23mm for the day.
-
- Posts: 18540
- Joined: Wed 12/03/2003 22:08
- Location: Raukapuka Geraldine
- Has thanked: 1784 times
- Been thanked: 1429 times
Re: Thunderstorms/heavy showers - Dec 10-11
Another photograph from yesterday.
You do not have the required permissions to view the files attached to this post.
JohnGaul
NZThS
NZThS
-
- Posts: 9943
- Joined: Sun 29/06/2003 22:39
- Location: Mt Eden Auckland
- Has thanked: 873 times
- Been thanked: 882 times
Re: Thunderstorms/heavy showers - Dec 10-11
A dull day here for most of yesterday, sunny spells would have got the thunderstorms going like Saturday.