Heavy rain, wind watches issued as Tropical Cyclone Vaianu looms

MetService meteorologist John Law and Nassah Rolleston-Steed from Bay of Plenty Civil Defence urged people to be prepared ahead of this weekend’s cyclone. (Source: Breakfast)

MetService is urging people to “take preparation seriously” ahead of some “pretty nasty and severe weather” predicted to hit this weekend with Tropical Cyclone Vaianu.

Forecasters have been keeping a close eye on the potential path of the subtropical low roughly halfway between Fiji and New Zealand, and warned it could potentially have life-threatening impacts when it likely hits the country on Sunday.

Shortly before 10am, MetService said TC Vaianu had winds of 95km/h at its centre, with a track map showing the forecast position of the system as it crosses the country.

"But severe weather will happen well away from the system centre. Heavy rain, strong winds, and large waves will be affecting areas outside the blue area," it said online.

MetService shared an updated track map showing  track map showing the forecast position of the system as it crosses the country.

Yesterday the forecaster issued a preliminary severe weather watch for the entire North Island - it has since updated this with more specific heavy rain and wind watches.

"The combination of damaging winds, heavy rain and coastal inundation makes this a multi-hazard, potentially life-threatening event," the forecaster said.

"The locations of the most severe impacts associated with Cyclone Vaianu, such as power outages, falling trees, flooding, slips, road closures and isolated communities are highly dependent on the cyclone's track.

Yesterday, the cyclone caused some disruptions and diversions on flights near Fiji, with passengers aboard a Fiji Airways flight from Sydney to Nadi describing scenes on the plane as "pretty dramatic".

“It’s one of those things we’re going to be keeping a really close eye on as we head through the weekend [and] it starts to move closer to us bringing the risk of some pretty severe and nasty weather," MetService meteorologist John Law told Breakfast.

“This is just the first of potentially many watches and warnings as we move into the weekend. It’s covering a broad area, but there is the risk of wind and also heavy rainfall as we go into the weekend.

"And the strong winds will also help drive some pretty rough coastal conditions,” he said.

MetService meteorologist John Law.

He said "the good news is we have several days before we start to see the impacts, so we’ve got time to take a breath and take our preparation seriously”.

He urged people to keep up to date with the situation.

The morning's headlines in 90 seconds, including weather watches in place ahead of Cyclone Vaianu, a serial killer pleads guilty, and rollercoaster riders stuck in baking heat. (Source: 1News)

Car falls into landslide chasm in Rotorua

Bay of Plenty about and east of Whakatāne remained under a heavy rain watch until midday today, while the entire North Island was issued a strong wind watch from 1am to 11pm on Sunday.

Overnight, Fire and Emergency New Zealand told 1News that part of Ngapouri Rd near Rotorua washed away in a landslide, reportedly creating a deep chasm on farmland.

The FENZ shift manager said a car had fallen into the chasm shortly after 10pm.

They said fire crews from Rotorua and a specialist swift water rescue team were called to the scene and one person was rescued.

FENZ said it had a number of weather related callouts, mostly related to flooding around Rotorua earlier in evening.

A slip blocked State Highway 2 in the Waioeka Gorge, south of Ōpōtiki, but the road has since reopened.

Bay of Plenty, Far North and Northland on high alert

Western Bay of Plenty and Northland were both hit hard during previous weather events this year, and locals were being urged to prepare.

Nassah Rolleston-Steed from Bay of Plenty Civil Defence said the region has experienced "a few weather events" this year, and were still in recovery mode.

"Top of mind is the safety and wellbeing of our communities," he said.

Rolleston-Steed said one of the key concerns was already-saturated soils from these previous events.

Nassah Rolleston-Steed from Bay of Plenty Civil Defence.

“With heavy rain, we’re expecting the potential for the exacerbation of those existing slips in the region, potential for more, downed trees, plus we’ve got a lot of erosion already in coastal areas. So with that strong storm surge we could expect inundation in low-lying coastal areas.

"So there’s the expectation we could have evacuations, power outages across the region."

He said daily meetings were being held with local authorities and emergency management groups to monitor the situation and “make a call closer to the weekend” as to any activation of any sites.

He said there were protocols in place to trigger any evacuation of areas as needed, but said it was too soon to tell if those would be needed.

Far North Mayor Moko Tepania echoed these ideas, telling Breakfast his region "was only a week out today from the lifting of that severe weather event".

Far North Mayor Moko Tepania.

"We’re still in recovery mode from both of those storms actually... waiting to see when this cyclone is going to hit us again, so an anxious wait but our people are resilient and reight now the messaging is clear around getting ready and getting prepared for the worst."

He said the whānau on the ground "are really worried", but he reassured that the council was prepared to assist should the weather be as severe as predicted.

Current watches and warnings

Cyclone Vaianu is expected to move southwards across the North Island on Sunday, 12 April.

Heavy Rain Watch

Northland – 12 hours from 9pm Saturday to 9am Sunday.

Auckland and Great Barrier Island – 12 hours from 2am to 2pm Sunday.

Coromandel Peninsula, and Bay of Plenty west of Whakatāne including Rotorua – 14 hours from 2am to 4pm Sunday.

Waikato – 15 hours from 3am to 6pm Sunday.

Bay of Plenty about and east of Whakatāne – seven hours from 9am to 4pm Thursday.

Gisborne/Tairāwhiti north of Tolaga Bay – 14 hours from 2am to 4pm Sunday.

Gisborne about and south of Tolaga Bay, Hawke’s Bay ranges, and coastal hills south of Napier – 16 hours from 2am to 6pm Sunday.

Waitomo, Taumarunui, Taupō and Taranaki – 12 hours from 8am to 8pm Sunday.

Strong Wind Watch

Western parts of the North Island, from Coromandel Peninsula to Wellington – 21 hours from 4am Sunday to 1am Monday.

Gisborne, Hawke’s Bay, Tararua District and Wairarapa – 24 hours from 6am Sunday to 6am Monday.

Northland, Auckland and Great Barrier Island – 21 hours from 9pm Saturday to 6pm Sunday.

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