General December Weather

NZstorm · Unread post by **NZstorm** » Wed 25/12/2019 18:15

I see Kaimai on the EW site recorded 32mm in an hour late afternoon.

cbm · Unread post by **cbm** » Wed 25/12/2019 18:34

Blue sky to my west, quite dark to East.

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tornado · Unread post by **tornado** » Wed 25/12/2019 22:25

Just took a look at the radar and it sure is wet central north island. i wish that rain would come here but nope we have the big summer dry and rain/thunder draught starting again. no rain for auckland for the rest of december (2019) and I suspect janurary will be dry?

spwill · Unread post by **spwill** » Wed 25/12/2019 22:58

The Bay of Plenty Kiwi fruit vines getting a good drink tonight. No development near Auckland today, I see Hamilton has stayed dry.

NZstorm · Unread post by **NZstorm** » Thu 26/12/2019 08:03

Cold upper air lingering over the country today so more afternoon convection inland although there is not much CAPE around. A shortwave crossing Otago this afternoon is good timing.

Richard · Unread post by **Richard** » Thu 26/12/2019 10:40

TV3 reported during there news that Oamaru had 56mm of rain yesterday but on the MS website I see 7.4mm, not sure where they got the 56mm from.

tgsnoopy · Unread post by **tgsnoopy** » Thu 26/12/2019 11:28

So, I hadn't sandbagged downstairs (on what has become a flood plain since 2004 with the infill housing being developed around here). Luckily we dodged a bullet... Not far from here it was a lot heavier for long enough to flood here. I was elsewhere returning from largely a bust.

Darnit.jpg

https://www.wunderground.com/dashboard/ ... 2-25/daily

David · Unread post by **David** » Thu 26/12/2019 11:36

Screenshot taken from BOP council rainfall monitoring map. Up to 100mm total in some spots!

bop-rainfall-24hr-261219.png

Nev · Unread post by **Nev** » Thu 26/12/2019 13:12

Richard wrote: ↑Thu 26/12/2019 10:40 TV3 reported during there news that Oamaru had 56mm of rain yesterday but on the MS website I see 7.4mm, not sure where they got the 56mm from.

Yes, 7.4mm for Oamaru township and 53.6mm at Oamaru Aero about 17.5 km further up the coast yesterday morning (including 17.4mm in the hour to 9am). Unfortunately, Oamaru Aero is another one of those many sites no longer included on MS's new website.

cbm · Unread post by **cbm** » Thu 26/12/2019 14:02

In Rotorua today. Evidence still apparent of yesterday's downpour.

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Storm Struck · Unread post by **Storm Struck** » Thu 26/12/2019 14:14

Tomorrows front is very brief and generally coastal, Otago and Southland are the spots for the best convection.
However the instability does carry on up the coastline to banks peninsula around 10pm with the surface SW change, the upper jet is strong north of Ashburton so may help with forcing.
The odd CB up the coastline fringes at night cant be ruled out, hail up to 20mm.
Look south tomorrow night for a night time display.
Brief heavy showers due through the rest of the plains overnight.

RWood · Unread post by **RWood** » Thu 26/12/2019 14:18

Nev wrote: ↑Thu 26/12/2019 13:12
Richard wrote: ↑Thu 26/12/2019 10:40 TV3 reported during there news that Oamaru had 56mm of rain yesterday but on the MS website I see 7.4mm, not sure where they got the 56mm from.
Yes, 7.4mm for Oamaru township and 53.6mm at Oamaru Aero about 17.5 km further up the coast yesterday morning (including 17.4mm in the hour to 9am). Unfortunately, Oamaru Aero is another one of those many sites no longer included on MS's new website.

That will probably help to keep December as the wettest month of the year at Oamaru Aero (1981-2010) when the 30-year means get updated.

Awhituobs · Unread post by **Awhituobs** » Thu 26/12/2019 16:19

Sunny day and warm day in Taupo today

tornado · Unread post by **tornado** » Thu 26/12/2019 20:16

been a partly cloudy day here today. high of 24c.

there was no lightning with those downpours in the central north island today. there was some around otago though.

snowstormwatcher · Unread post by **snowstormwatcher** » Thu 26/12/2019 21:07

Thunder to the west of here now.

Orion · Unread post by **Orion** » Fri 27/12/2019 05:49

Scarcely 10°C here at the moment, and foggy.

NZstorm · Unread post by **NZstorm** » Fri 27/12/2019 07:32

Storm Struck wrote: ↑Thu 26/12/2019 14:14 Tomorrows front is very brief and generally coastal, Otago and Southland are the spots for the best convection.
However the instability does carry on up the coastline to banks peninsula around 10pm with the surface SW change, the upper jet is strong north of Ashburton so may help with forcing.
The odd CB up the coastline fringes at night cant be ruled out, hail up to 20mm.
Look south tomorrow night for a night time display.
Brief heavy showers due through the rest of the plains overnight.

Yes, looking like a decent polar trough moving through.

Looks stable in Auckland out to mid January, so fairly boring pattern here.

mikestormchaser · Unread post by **mikestormchaser** » Fri 27/12/2019 14:29

On holiday now so atleast iv got no limitations with chasing. Might be worth the risk and drive down to rangitata tonight and see what happens.

Chris W · Unread post by **Chris W** » Fri 27/12/2019 15:33

Southland radar looks pretty active at the moment. Metservice have the moderate risk up to about Timaru which makes sense. Still hopeful of the unexpected further north tonight. I recall a nighttime storm in winter out of nothing a couple of years ago so it's possible!

kiwisk8er · Unread post by **kiwisk8er** » Fri 27/12/2019 16:39

Just had a thunderstorm pass over Mosgiel, Dunedin. Quite active lightning and thunder. No hail.

Richard · Unread post by **Richard** » Fri 27/12/2019 17:13

kiwisk8er wrote: ↑Fri 27/12/2019 16:39 Just had a thunderstorm pass over Mosgiel, Dunedin. Quite active lightning and thunder. No hail.

what is the wind direction just outa curiosity

tornado · Unread post by **tornado** » Fri 27/12/2019 18:08

I see theres been some thunderstorms in southland today. with dunedin catching a weak storm earlier on. looking like a stronger storm heading into dunedin now.

NZstorm · Unread post by **NZstorm** » Fri 27/12/2019 18:37

tornado wrote: ↑Fri 27/12/2019 18:08 I see theres been some thunderstorms in southland today. with dunedin catching a weak storm earlier on. looking like a stronger storm heading into dunedin now.

Quite a bit of lightning being driven by a 130knot polar jet. We have to wait until May before we can get a set up like that over Auckland!
The temperature at Dunedin Airport is now 12C after a 20C high.

Chris W · Unread post by **Chris W** » Fri 27/12/2019 18:52

Strong sustained winds here in Lyttelton with some very strong gusts. Think that jet has to be enhancing the surface winds.

Edit - there's a tree down at the bottom of the road, not that surprising.

tornado · Unread post by **tornado** » Fri 27/12/2019 19:39

Heres an article about the thunderstorms in dunedin this afternoon. apparently lightning struck a house and knock out power.

https://www.nzherald.co.nz/nz/news/arti ... d=12296912

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