N.I. Heavy Rainfall Event - Jan 27-Feb 02

Weather reports, prognostics, questions and discussion. Climate diagnostics, drivers, and outlooks. Weather stations and websites.
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-28

Unread post by David »

Much nicer than I expected today after the morning showers cleared. Really humid though with dewpoint 21-22C.
Image
spwill
Posts: 9628
Joined: Sun 29/06/2003 22:39
Location: Mt Eden Auckland
Has thanked: 630 times
Been thanked: 681 times

Re: N.I. Heavy Rainfall Event - Jan 27-28

Unread post by spwill »

Towering Cu and small Cbs visible in the west with the convergence out there, a partly cloudy dry afternoon this side of town. Feels tropical today with the dew point up to 22C.
jamie
Posts: 5904
Joined: Fri 25/02/2011 21:35
Location: Hamilton NZ
Has thanked: 22 times
Been thanked: 273 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-28

Unread post by jamie »

I’m at the southern end of lake Taupo on holiday. 204mm so far since it started and it is still pouring. Never seen rain like it.


Sent from my iPhone using Tapatalk
User avatar
Nev
Moderator
Posts: 5957
Joined: Tue 07/03/2006 15:24
Location: Waiheke Island, Hauraki Gulf
Has thanked: 387 times
Been thanked: 827 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Nev »

Mod Note: Have extended the date of this thread to include round 2 from this system in coming days. :-)
User avatar
Nev
Moderator
Posts: 5957
Joined: Tue 07/03/2006 15:24
Location: Waiheke Island, Hauraki Gulf
Has thanked: 387 times
Been thanked: 827 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Nev »

Here's a few more notable N.I. 36 hour rainfalls from MS to midday today...

https://twitter.com/MetService/status/1 ... eHsfgsAAAA

Also a 24 hr Akld radar rainfall accumulation to 8am this morning...

Metservice 24 hour rainfall accum. to 8am Jan 28.jpg
You do not have the required permissions to view the files attached to this post.
harveyt86
Posts: 113
Joined: Tue 18/06/2013 23:29
Location: Otahuhu, Auckland
Has thanked: 35 times
Been thanked: 14 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by harveyt86 »

Certainly one for the books. By a long shot as well. Feeling thankful we missed the worst of it at home.

Made it down to Eastern BOP today. Roads and weather okay but rivers and steams were certainly flowing. Be interesting to see what rest of the weekend and first half of the week bring here..
RODALCO
Posts: 332
Joined: Fri 12/01/2007 17:21
Location: Titirangi, Auckland, New Zealand
Has thanked: 114 times
Been thanked: 96 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by RODALCO »

A couple of stills taken of a video I made last during Community Patrol. We assisted various people with cars stuck in flash flooded areas. The downpour was very heavy from 1800h till around 2130 hours in The New Lynn, Kelston, Glen Eden, Titirangi area.
2023-01-28_16-33-37.jpg
2023-01-28_16-35-45.jpg
2023-01-28_16-36-40.jpg
2023-01-28_16-38-09.jpg
2023-01-28_16-39-47.jpg
You do not have the required permissions to view the files attached to this post.
Who put the LED's on the lightning arrestor ?
James
Posts: 28
Joined: Mon 06/03/2017 07:58
Location: Havelock North
Has thanked: 0
Been thanked: 22 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by James »

I wonder when someone will finally link the past year's strange weather with that pesky volcanic eruption last January, as I suggested back in August. 🙄
jamie
Posts: 5904
Joined: Fri 25/02/2011 21:35
Location: Hamilton NZ
Has thanked: 22 times
Been thanked: 273 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by jamie »

Up to 225mm now at the bottom of lake Taupo. Starting to see slips now. Relentless rain. No end in sight.


Sent from my iPhone using Tapatalk
harveyt86
Posts: 113
Joined: Tue 18/06/2013 23:29
Location: Otahuhu, Auckland
Has thanked: 35 times
Been thanked: 14 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by harveyt86 »

jamie wrote: Sat 28/01/2023 18:36 Up to 225mm now at the bottom of lake Taupo. Starting to see slips now. Relentless rain. No end in sight.


Sent from my iPhone using Tapatalk
Was the lake still high prior to this or had it dropped some over the last month or so? This will certainly top it back up..
jamie
Posts: 5904
Joined: Fri 25/02/2011 21:35
Location: Hamilton NZ
Has thanked: 22 times
Been thanked: 273 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by jamie »

It had dropped back to normal levels but the rise in lake level over the past couple days has been notable.


Sent from my iPhone using Tapatalk
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Hearing distant rumbling in the gulf
Image
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Lightning observed too :smile:
Image
User avatar
Nev
Moderator
Posts: 5957
Joined: Tue 07/03/2006 15:24
Location: Waiheke Island, Hauraki Gulf
Has thanked: 387 times
Been thanked: 827 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Nev »

Yeah, heaps of lightning out this way from an incoming rainband. Became active fairly quickly too.

Edit. Heavy rain here now.
jamie
Posts: 5904
Joined: Fri 25/02/2011 21:35
Location: Hamilton NZ
Has thanked: 22 times
Been thanked: 273 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by jamie »

Back to torrential rain here too after a reprieve


Sent from my iPhone using Tapatalk
User avatar
Tornado Tim
Moderator
Posts: 4919
Joined: Sun 19/10/2008 17:17
Location: Raglan, Waikato / Hillcrest, Hamilton
Has thanked: 98 times
Been thanked: 201 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Tornado Tim »

Convection is ramping up again with large amounts of water vapour, this is going to be interesting.
image.png
Severe T-Storm Warning issued with Watches in Auckland and Waikato overnight:
image.png
Severe Thunderstorm Warning

Area: Gulf, Waikato, Hauraki, Matamata Piako, Franklin

Forecast: These severe thunderstorms are moving towards the south, and are expected to lie near KAIAUA, MARAMARUA, FIRTH OF THAMES, MIRANDA and THE HUNUA RANGES at 12:45 am and near HUNTLY, MARAMARUA, TE KAUWHATA, OHINEWAI, WAITERIMU, WAERENGA and TANIWHA at 01:15 am.

These thunderstorms are expected to be accompanied by torrential rain.

Torrential rain can cause surface and/or flash flooding about streams, gullies and urban areas, and make driving conditions extremely hazardous.

A Severe Thunderstorm Watch remains in force for AUCKLAND, GREAT BARRIER ISLAND, COROMANDEL PENINSULA, BAY OF PLENTY and WAIKATO.
thunderstormWarningImage.png
Severe Thunderstorm Watch

Area: Auckland, Great Barrier Island, Coromandel Peninsula, Bay of Plenty, Rotorua, Taupo

Period: 9hrs 30min from 11:30pm Sat, 28 Jan - 9am Sun, 29 Jan

Forecast: Updated 11:15pm to include Auckland and Great Barrier Island

There is a possibility of thunderstorms about Auckland including Great Barrier Island, Coromandel Peninsula, Bay of Plenty and Taupo overnight Saturday and during Sunday. Until about 9am Sunday morning, some of these thunderstorms may become SEVERE, producing localised downpours with intensities of 25 to 40 mm per hour.

Rainfall of this intensity can cause surface and/or flash flooding, especially about low-lying areas such as streams, rivers or narrow valleys, and may also lead to slips.

Driving conditions will also be hazardous with surface flooding and poor visibility in heavy rain.

Issued: 11:21pm Sat, 28 Jan
Next update: 9am Sun, 29 Jan

Area: Waikato, Waitomo, Taumarunui

Period: 7hrs from 2am - 9am Sun, 29 Jan

Forecast: There is a possibility of thunderstorms developing again about Waikato, Waitomo and Taumarunui overnight Saturday and Sunday morning. From about 2am till 9am Sunday morning, some of these thunderstorms may become SEVERE, producing localised downpours with intensities of 25 to 40 mm per hour.

Rainfall of this intensity can cause surface and/or flash flooding, especially about low-lying areas such as streams, rivers or narrow valleys, and may also lead to slips.

Driving conditions will also be hazardous with surface flooding and poor visibility in heavy rain.
You do not have the required permissions to view the files attached to this post.
NZAPStrike.net - NZ Aus Pacific Strike Network
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Picked up a quick 10mm here just after midnight but the thunder stayed east of here.
Image
spwill
Posts: 9628
Joined: Sun 29/06/2003 22:39
Location: Mt Eden Auckland
Has thanked: 630 times
Been thanked: 681 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by spwill »

Should see a clearing up process in our weather by Thursday however the system coming in later Tuesday could be very significant with more flash flooding.
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Metservice has a new orange warning out for Auckland:

Heavy Rain Warning - Orange

Period: 15hrs from 4pm Sun, 29 Jan - 7am Mon, 30 Jan
Area: Auckland including Great Barrier Island

Forecast: Expect 50 to 90 mm of rain north of the City, but possibly 150 mm in localised places. Lesser amounts are likely about and south of the City but amounts may still exceed warning criteria in some places. Peak rates of 10 to 20 mm/h, but localised areas may see downpours of 25 to 40 mm/h, especially in the north. Thunderstorms are also possible.

Impact: Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous.

Issued: 4:44pm Sun 29 Jan
Next update: 9:00pm Sun 29 Jan
Image
User avatar
Nev
Moderator
Posts: 5957
Joined: Tue 07/03/2006 15:24
Location: Waiheke Island, Hauraki Gulf
Has thanked: 387 times
Been thanked: 827 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Nev »

More thunder out in the Gulf atm...
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Nev wrote: Sun 29/01/2023 17:38 More thunder out in the Gulf atm...
Just hearing that here now. Looks intense on radar!
Image
Cherie
Posts: 36
Joined: Wed 11/03/2015 21:51
Location: Auckland
Has thanked: 12 times
Been thanked: 14 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Cherie »

Apologies if this has been asked, I haven’t read every post but I was stunned to read in the paper today that MetService didn’t declare a red rain warning for Auckland till 9.30pm Friday night. That seems awfully late. I knew about the orange warning, but it rains heavy all the time here and I was trying to get some deep work done before knock off so wasn’t even thinking about it (or checking media, socials etc) before I finished work at 7pm Friday. It was not good then, like a monsoon outside and streets/footpaths like rivers as I walked to Britomart only to find no trains, and buses not running properly and generally a lot of chaos with little information. I guess it just seems like no one official wanted to “call it” and I wondered if an earlier “red warning” would’ve been the first thing that helped. My work would’ve let us go home early. Can’t believe I’m saying this, but one of those emergency text alerts would’ve been nice!!
User avatar
Thunder081
Posts: 456
Joined: Wed 22/08/2012 00:10
Location: Christchurch
Has thanked: 136 times
Been thanked: 443 times

Re: General January Weather

Unread post by Thunder081 »

BeaconHill wrote: Fri 27/01/2023 20:44 Would be awesome if one of the MetService lurkers could download a hi res rain radar loop for the 24 hours of the event in Auckland and post. Certainly one for the ages that’s for sure.
Here's a 120km radar timelapse from 12:00pm - 10:00pm

Also here's the images in a zip file with the time in 24hr in the file names https://www.mediafire.com/file/5itx33s5 ... s.zip/file
Last edited by Thunder081 on Sun 29/01/2023 19:16, edited 1 time in total.
Wellington southerly front timelapse: www.youtube.com/watch?v=MBl3hsuIg2Q
User avatar
David
Posts: 7382
Joined: Sat 18/08/2007 21:02
Location: Howick, Auckland
Has thanked: 373 times
Been thanked: 641 times
Contact:

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by David »

Radar is looking quite interesting. Up to 28mm for the day here.
You do not have the required permissions to view the files attached to this post.
Image
User avatar
Nev
Moderator
Posts: 5957
Joined: Tue 07/03/2006 15:24
Location: Waiheke Island, Hauraki Gulf
Has thanked: 387 times
Been thanked: 827 times

Re: N.I. Heavy Rainfall Event - Jan 27-Feb 02

Unread post by Nev »

Yeah, just got another 18mm here in the last hour from that T-storm (35mm since 9am).
Post Reply