Subtropical Low - May 1-4

Manukau heads obs · Mon 02/05/2011 11:15

http://metservice.com/national/warnings ... rm-outlook

M/S say early evening for Auckland

spwill · Unread post by **spwill** » Mon 02/05/2011 13:08

I see it has turned humid over Northland with 19C dewpoints, cooler conditions here under overcast skies, light showers, 17C, dp 15C.

Nev · Unread post by **Nev** » Mon 02/05/2011 14:23

Another 14mm of steady rain here over the last 2 hours (total 22.5mm since last night)

Tornado Tim · Unread post by **Tornado Tim** » Mon 02/05/2011 20:53

Rain seems to be beefing up according to the radar over the BOP and Waikato.

David · Unread post by **David** » Mon 02/05/2011 21:05

Surprised at the lack of rain this event has given here, 16mm so far.

Manukau heads obs · Mon 02/05/2011 21:57

low seems to be drifting very slowly east now

re rain, one thing that was missing was cold air to rain out the airmass?

tgsnoopy · Unread post by **tgsnoopy** » Mon 02/05/2011 23:21

Glad it's eased up. Got intense for a while there.

I think we've seen the worse of it, but those South of us may not be as lucky.

Looks about 75mm here.

Michael · Unread post by **Michael** » Tue 03/05/2011 05:54

Not as much rain as thought as well,may be cut off from colder weather south but certainly over the wind directions of late now and time for some northerly or even a straight westerly direction for once and some oomph too.

NZstorm · Unread post by **NZstorm** » Tue 03/05/2011 06:57

Should be a mild day today with 21C on the cards. You can see the front on the sat pic with some cb's on it.
It should be over our way this afternoon but whether there is enough convergence to produce anything interesting, we'll have to see. Pity we don't get these troughs in summer as this would be an active thunder situation in January.

GFS Lifted Index chart for midday indicating a moist subtropical airmass over the North Island.

David · Unread post by **David** » Tue 03/05/2011 07:50

Had a low of 17 here...in May!

Michael · Unread post by **Michael** » Tue 03/05/2011 07:56

NZstorm wrote: Pity we don't get these troughs in summer as this would be an active thunder situation in January.

We like Fijis weather in winter(here in summer) there its mostly anticyclonic,if were furthur north even norfolk island maybe in summer it would happen,by winter its the southern ocean regime and then its our storm season.

spwill · Unread post by **spwill** » Tue 03/05/2011 08:27

Yes our wet season is the late Autumn,Winter, early Spring months due to much better upper level conditions for the development of rain/showers.

Rather humid this morning with dewpoints near 18C, cloudy light winds, 18C.

I see there have been a couple of thunderstorms near the top of Northland

Nev · Unread post by **Nev** » Tue 03/05/2011 09:18

Yeah, very active cell moving down from near Dargaville atm by the looks.

Total here of 28.5mm so far.

RWood · Unread post by **RWood** » Tue 03/05/2011 10:16

spwill wrote:Yes our wet season is the late Autumn,Winter, early Spring months due to much better upper level conditions for the development of rain/showers.

You have to exclude about 85% of the South Island from that assessment though.

spwill · Unread post by **spwill** » Tue 03/05/2011 11:41

RWood wrote:[
You have to exclude about 85% of the South Island from that assessment though.

Yes much of the SouthIsland quite different, my comment was for Auckland.

A band of rain just north of Auckland now moving down.

Manukau heads obs · Tue 03/05/2011 11:46

getting thundering looking here now....

spwill · Unread post by **spwill** » Tue 03/05/2011 13:41

Some thunderstorm activity over eastern parts of Northland in the last hr, heavy rain band just north of Auckland.

I see MetService have increased the Thunderstorm risk http://www.metservice.com/national/warn ... rm-outlook

jamie · Unread post by **jamie** » Tue 03/05/2011 14:16

port waikato looks like its getting a good storm at the moment going by the radar

Manukau heads obs · Tue 03/05/2011 14:20

very heavy rain band just gone through here
looks like another band to get auckland city soon

CHCH Weather Chaser · Tue 03/05/2011 16:03

Very heavy band of rain moving into the Taranaki now on 4pm radar

CHCH Weather Chaser · Tue 03/05/2011 16:04

Very heavy rain band now in the Taranaki. The lightening trackor in the weather forum links is going balistic!

jamie · Unread post by **jamie** » Tue 03/05/2011 16:07

CHCH Weather Chaser wrote:Very heavy rain band now in the Taranaki. The lightening trackor in the weather forum links is going balistic!

Dont believe the hamiltonweather.co.nz one. Tims Matangi one is fine to use though.Its an electric fence short on mine that is sending it wild. Have tried to call dad to turn fence off but cant get ahold of him.

jamie · Unread post by **jamie** » Tue 03/05/2011 16:16

I have got the fence turned off. So now it should all come back into line and make more sence. My one was throwing out the combined results page.

Michael · Unread post by **Michael** » Tue 03/05/2011 16:49

Was there a tornado on the shore today?OK just read it,heard it on the radio but havent really seen the weather today.

NZ Thunderstorm Soc · Tue 03/05/2011 18:49

Are we waiting for some anticipation to where there.?

from MetService:
Situation for all New Zealand issued at
12:50pm 3 May 2011
A large deep low west of central New Zealand is moving slowly southwards and is expected to cross central South Island places tomorrow evening. This low drags an active frontal band onto the

JohnGaul
NZThS

NZ Weather Forum

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