Possible Storms South Island 3/1/13

03Stormchaser · Unread post by **03Stormchaser** » Thu 03/01/2013 18:17

Its pulled now, was a neat funnel! Seen 5 funnels now, still very severe situation

Orion · Unread post by **Orion** » Thu 03/01/2013 18:25

Pic taken by one of my spies in Westerfield.

Hordur · Unread post by **Hordur** » Thu 03/01/2013 18:27

Radar image

NZ Thunderstorm Soc · Thu 03/01/2013 18:27

I can see the Mayfield Storm from here. A cloud bank way deep into TC.
Nothing much happeneing here although there has been a persistent cloud overhead, probably the one that CWW photographed in a 'glaciated' stage, this afternoon.

NZstorm · Unread post by **NZstorm** » Thu 03/01/2013 18:31

Landspout funnel there. The low level laspe rates are about 8C so funnels were likely if showers developed. The convection is low topped.

Orion · Unread post by **Orion** » Thu 03/01/2013 18:48

Lightning flash visible to southeast here just now as rainfall gets heavier again.

NZ Thunderstorm Soc · Thu 03/01/2013 18:48

Hordur wrote:There is a fairly sharp upper trough just moving across the east coast of the South Island as this is written. Some storms have been generated in Canterbury, as noted here with medium size hail. There have also been some lighting strikes in the vicinity of Dunedin. Once the trough moves away, which should happen soon, everything will die down.

Must of been an isolated trough as conditions were rather weak for thunderstorm development here along the east coast despite the keen onshore easterly wind.

Orion · Unread post by **Orion** » Thu 03/01/2013 18:51

Temp. down to 10.6 degrees, brrr!

NZ Thunderstorm Soc · Thu 03/01/2013 18:58

Looks as though the cloud is heading this way but weakoning of course.

03Stormchaser · Unread post by **03Stormchaser** » Thu 03/01/2013 19:05

Think we have seen 7 funnels now!

Hordur · Unread post by **Hordur** » Thu 03/01/2013 19:08

NZ Thunderstorm Soc wrote: Must of been an isolated trough as conditions were rather weak for thunderstorm development here along the east coast despite the keen onshore easterly wind.

Yes, you could say that, see attached image.

Chris Raine · Unread post by **Chris Raine** » Thu 03/01/2013 19:43

Significant thunderstorm at Oamaru Heavy rain , hail , squally winds , lots of fork lightning and even a funnel cloud south of Kakanui

Computer had a hernia (power surge) but Ok now

Hordur · Unread post by **Hordur** » Thu 03/01/2013 19:47

Many thanks to everyone who has posted pictures and comments.

03Stormchaser · Unread post by **03Stormchaser** » Thu 03/01/2013 20:03

In Ashburton atm. Things appeared to have died right off now.Will hopefully get the video and photos up tonight.

Chris Raine · Unread post by **Chris Raine** » Thu 03/01/2013 20:08

Activity moving out to sea off the Oamaru Coast still getting flashes of fork lightning and distant rumbles of thunder

Lacertae · Unread post by **Lacertae** » Thu 03/01/2013 21:43

I couldn't get out of work early today (all other supervisors and store staff calling sick ...

) so only started the chase at 4:30pm. I didn't trust my car as it recently showed some signs of overheating when driving for a while and I didn't feel like going any further than the Rakaia ... well, too bad, staying between Dunsandel and Bankside I "only" was 50km from the action !

I still managed to see the big funnel near Westerfield (EDIT : the Mayfield tornado) as the sun did shine through the clouds for a little while. I couldn't tell what it was and shot a video with my compact but at such distance it's not worth anything in comparison with our chasers who got close to it.

I then thought "Bugger the car !" and crossed the Rakaia. I expected the cell to be inland shortly after that but I was deceived by the distances. Drove back towards the coast just north of Ashburton and quickly turned back as I have to get up at 5:30am tomorrow ...

Anyway I brought back a few shots of the northern side of the cell. Nothing exceptional but at least I didn't drive for nothing (and my car didn't die of overheating, duh !).

I have a few more than these 5 but it can definitely wait until later.

DSC_3487_nzwf.JPG

DSC_3489_nzwf.JPG

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David · Unread post by **David** » Thu 03/01/2013 21:56

Report that a tornado hit the golf course at Mayfield http://www.nzherald.co.nz/nz/news/artic ... d=10857210

Orion · Unread post by **Orion** » Thu 03/01/2013 22:11

Thanks for that David - long way round for me to get local news!

Thunder · Unread post by **Thunder** » Fri 04/01/2013 02:26

Seems the storm down Oamaru way was more powerfull. We did our best though and watched the Mayfield tornado from start to finish. It never looked like a tornado as we saw no funnel to the ground but after seeing the reports and some pictures it does appear to be so. When I zoomed into one of my pictures I could also see a small debris swirl in the distance at the surface so that generally means a tornado I believe.

Here's a few pics.

20130301_paw01_f.jpg

20130301_paw02_f.jpg

03Stormchaser · Unread post by **03Stormchaser** » Fri 04/01/2013 03:08

Video from today's Mayfield Funnels and Tornado.

Try watch in 1080pHD if you can

Lacertae · Unread post by **Lacertae** » Fri 04/01/2013 06:10

Nice vid !

I would have thought the other lowered base you filmed at the very beginning would have produced something, but no it happened on each side of it.

NZstorm · Unread post by **NZstorm** » Fri 04/01/2013 06:53

Excellent photos and clip.
Just goes to show marginal set ups can deliver something out of the ordinary.
The cold air over warm land has produced the landspout tornado.
The 700mb temperature was -9C which makes for a very steep lapse rate from the surface to the mid levels.

Richard · Unread post by **Richard** » Fri 04/01/2013 07:06

Great video and photos you guys,well done

watching it on full screen from YouTube you could clearly see the rapid spinning at the lowest point

Orion · Unread post by **Orion** » Fri 04/01/2013 07:46

Glad you were able to get the beastie on film; great pictures!

jamie · Unread post by **jamie** » Fri 04/01/2013 07:58

Awesome. Well done guys!!!!

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