Thunderstorm Potential Early Dec 2009 in the North

Manukau heads obs · Fri 04/12/2009 14:52

dang, been cooking sausages at school again, have missed the discussion/rain radar maps

there looks to be a warm front and cold frontal line

Vertigo · Unread post by **Vertigo** » Fri 04/12/2009 15:03

yes, seems to have done just that. im hoping its just a temporary set back.

Tornado Tim · Unread post by **Tornado Tim** » Fri 04/12/2009 15:05

The warning has now been lifted.

Vertigo · Unread post by **Vertigo** » Fri 04/12/2009 15:08

the warning was lifted because the rain radar went offline almost an hour ago. very unfortunate. i think the warning should remain in effect tbh.

spwill · Unread post by **spwill** » Fri 04/12/2009 16:03

Observed heavy rain /surface water and thunder just north of Helensville but the line weakened quickly with the cooler surface conditions I guess, there is still some very heavy showers on the line, I see there has been lightning strikes last hr eastern Northland, a warmer day up that way.

Manukau heads obs · Fri 04/12/2009 16:45

solid rain here at the moment, set in for a while by the looks

Vertigo · Unread post by **Vertigo** » Fri 04/12/2009 16:51

auckland is saturated at this point!

edit: looks like there may be some reorganization as the convergence zones combine

DT-NZ · Unread post by **DT-NZ** » Fri 04/12/2009 16:56

I'm on the phone with my daughter from Hukerenui right now as I type this and she wants to say the rains have arrived and also at approx 4.20pm they had thunder and lightning down there way on the farm

update: now its pretty much sunny *sigh*

Manukau heads obs · Fri 04/12/2009 16:57

i see that, looking at Ricky's data
seems to be coming in waves too

spwill · Unread post by **spwill** » Fri 04/12/2009 17:13

A couple of snaps from my afternoon in the country.

Michael · Unread post by **Michael** » Fri 04/12/2009 17:13

Too cold now for anything to happen now.

C-Nimbus · Unread post by **C-Nimbus** » Fri 04/12/2009 17:32

Is that a horse-shoe funnel in that image spwill? Or is it just something on the lense?

Its just to the centre-left just under the cloud base

David · Unread post by **David** » Fri 04/12/2009 17:33

Rain has eased off here, 17mm since midnight, but not much around now. Hopefully will see some of the forecast heavy falls tonight!

NZstorm · Unread post by **NZstorm** » Fri 04/12/2009 17:42

re the Manawatu tornado

Could this have occurred on Wednesday. I have had a flick through the soundings from Paraparam and the the midday sounding for Wednesday looks favorable for severe thunderstorm development. Good instability with good shear. I'm quite convinced the tornado must have occurred on Wednesday, not Tuesday.

Michael · Unread post by **Michael** » Fri 04/12/2009 18:04

Tuesday was simply calm and wet there.

NZstorm wrote:re the Manawatu tornado

Could this have occurred on Wednesday. I have had a flick through the soundings from Paraparam and the the midday sounding for Wednesday looks favorable for severe thunderstorm development. Good instability with good shear. I'm quite convinced the tornado must have occurred on Wednesday, not Tuesday.

spwill · Unread post by **spwill** » Fri 04/12/2009 19:40

Is that a horse-shoe funnel in that image spwill?

no but I wish I saw the Waiuku landspout yesterday as I was watching the convergence line for a while.

Re the Manawatu Tornado, yes NZstorm active Cb crossed that area Wendsday afternoon.

Manukau heads obs · Fri 04/12/2009 20:07

no but I wish I saw the Waiuku landspout yesterday as I was watching the convergence line for a while.

same here, in fact the wife got home and was surpised I was not chasing it!
I was on a surfboard at about the time
and could see some great looking cloud lowerings off the coast down that way, and then another one off Piha way that nearly looked like it was going to develop a water spout

Lozza · Unread post by **Lozza** » Fri 04/12/2009 20:44

Just been for a drive around Bethells Beach and roads are covered in water, creeks have burst their banks. A couple of the creeks looks like they'll threaten some houses soon Just saw a guy get his car stuck in some fast flowing water on Bethells Road. Id say they wont be far from closing it. Has been torrential out here for the last 2 hours! Lots of pictures.

How do I add attachments?

NZstorm · Unread post by **NZstorm** » Fri 04/12/2009 20:51

To add attachments click on the 'browse' and then add your attachment. You then need to click on 'add the file' to upload.

Vertigo · Unread post by **Vertigo** » Fri 04/12/2009 21:14

its STILL raining pretty heavily in penrose. wettest day this year?!

Philip Duncan · Unread post by **Philip Duncan** » Fri 04/12/2009 21:14

Boy that rain is really heavy again - no end in sight over the next few hours. Would be really keen to hear from anyone who has seen flooding, slips etc. Thanks heaps!
Phil.

NZstorm · Unread post by **NZstorm** » Fri 04/12/2009 21:20

The online Albany weather station has 72mm now.

NZ Thunderstorm Soc · Fri 04/12/2009 21:25

Theres been none down here, thunder unlikely. I wish I knew how to change the thread titles, so they suit

JohnGaul
NZThS

David · Unread post by **David** » Fri 04/12/2009 21:43

Still no heavy rain here - very light rain currently.

Philip Duncan · Unread post by **Philip Duncan** » Fri 04/12/2009 21:47

Mostly from about Mt Wellington northwards at this stage David

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