Upper North Island T-storms - Apr 23

David · Unread post by **David** » Tue 23/04/2019 15:06

I notice the wind direction is switching between NE and SW at home right now, might be something about to blow up out east in a convergence zone...

Cyclone Tracy · Unread post by **Cyclone Tracy** » Tue 23/04/2019 15:08

Multiple thunder claps just to the east of here

spwill · Unread post by **spwill** » Tue 23/04/2019 15:18

Some small thunderstorm cells forming over Ak currently. Thunder heard here in Mt Eden.

spwill · Unread post by **spwill** » Tue 23/04/2019 15:55

South Auckland getting a thunderstorm just now

NZstorm · Unread post by **NZstorm** » Tue 23/04/2019 16:13

Pea hail and IC lightning here at Pakuranga..

spwill · Unread post by **spwill** » Tue 23/04/2019 16:28

Thunder heard here from that storm.

Photo of a cell over Manakau Heads earlier

GraemeWi · Unread post by **GraemeWi** » Tue 23/04/2019 16:41

East Auckland cell looking from West Auckland

IMG_20190423_161000819_1a.jpg

David · Unread post by **David** » Tue 23/04/2019 17:13

From the radar it looks like we should have had heavy rain and hail at home. Yet just some moderate rain. Must have been right on the edge

tornado · Unread post by **tornado** » Tue 23/04/2019 17:49

chased in south east auckland what a storm thunder,lightning heavy rain. first good storm since december last year. the thunder draught is over

NZ Thunderstorm Soc · Tue 23/04/2019 18:21

tornado wrote: Tue 23/04/2019 17:49 chased in south east auckland what a storm thunder,lightning heavy rain. first good storm since december last year. the thunder draught is over

Goood on yer tornado. Glad you enjoyed the show.

tornado · Unread post by **tornado** » Tue 23/04/2019 18:29

yeah finally about time i reackon. the thunder draught could be over. saw waterspouts too. a waterspout outbreak lol

ScottyD · Unread post by **ScottyD** » Tue 23/04/2019 19:00

Perfect timing. Just as things were about to kick off, I had to work. I was in Papakura, inside, and had no idea what was happening outside.

Nev · Unread post by **Nev** » Tue 23/04/2019 20:54

Herald has a couple of videos of that hail in Akld's eastern suburbs this arvo…

https://www.nzherald.co.nz/nz/news/arti ... d=12224678

tornado · Unread post by **tornado** » Tue 23/04/2019 21:01

well the auckland thunderstorm draught is over.

NZ Thunderstorm Soc · Tue 23/04/2019 22:19

tornado wrote: Tue 23/04/2019 21:01 well the auckland thunderstorm draught is over.

Lucky people. I think there will be more, as the Auckland area usually gets more thunderstorms because of it's position in certain areas of atmosphere movement in the west to east movement of our weather systems.
The area can be a drawcard.

tornado · Unread post by **tornado** » Tue 23/04/2019 22:22

wow today was the first thunder day since december last year. waterspouts,hail,heavy rain. those cbs looked impressive. the storm At pakuranga produced a rope funnel cloud,heavy rain and hail. so. first thunderstorm day. draught ending.

tornado · Unread post by **tornado** » Tue 23/04/2019 22:25

Nev wrote: Tue 23/04/2019 07:56 Hearing plenty of thunder here atm, with Bliz showing a couple of CG's around the SE of Waiheke.
Heavy 4.5mm, 10 minute downpour around 7am this morning.

did you see the waterspouts?

NZstorm · Unread post by **NZstorm** » Wed 24/04/2019 07:05

Those waterspouts were on the north side of Waiheke Island and the photos would have been taken from a vantage point on the Island.

A convergent boundary, possibly a front crossing from the west generated the waterspouts. The surface boundary generates the vorticity that is taken up by convection currents. Sea temperatures in the gulf are 20C, so good for convection.

spwill · Unread post by **spwill** » Wed 24/04/2019 08:48

I joined a couple of photos to show the line yesterday morning, seen from Mt Eden.

David · Unread post by **David** » Wed 24/04/2019 10:17

A council rain gauge near Waitakere train station recorded 36mm in an hour yesterday afternoon http://aklc.hydrotel.co.nz/hydrotel/cgi ... tchment=28

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Upper North Island T-storms - Apr 23

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