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STENT / KEVIN THINGS
Flash flood cleanup in Plimmerton over the weekend may increase after more heavy rains.
A landslide has damaged two homes in Porirua, while heavy rains continue to fall in the Wellington region.
One home has been evacuated and another is likely to follow, following the landslide on Moonsail Drive, Whitby, shortly after 9 p.m. Monday, a Fire and Emergency spokesperson said.
A heavy rain warning remains in place for the region, with 50-60mm expected to fall overnight.
The advisory is in effect for Wellington and the Kapiti Coast, south of Ōtaki, until 1 a.m. M., AND there is a strong wind advisory for the same area until 10 a.m. M. From Tuesday.
FENZ has received 10 flood-related calls since 6 p.m., in Tawa, Plimmerton and areas in the Hutt Valley.
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Kevin Stent / Stuff
Resident Alice Moore cleans up the mound of mud and silt outside her Plimmerton home after Sunday’s flooding.
MetService predicts that heavy rains could cause streams and rivers to grow rapidly, and flooding and slipping on the surface are possible, with potentially dangerous driving conditions.
Between 7pm and 9pm on Monday, data from MetService showed that Wainuiomata experienced 27.6mm of rain, Lower Hutt 20.2mm, Upper Hutt 19.2mm, Central Wellington 15.4mm and Porirua, 7.2 mm.
The New Zealand Transportation Agency is asking drivers to slow down and increase following distances due to surface flooding on the State Highway 1 urban highway in Ngauranga Gorge, SH1 from Plimmerton to Pukerua Bay and SH2 from Petone to Haywards Interchange.
The southbound SH1 Johnsonville exit ramp was previously closed due to flooding, but has since reopened.
A pedestrian was taken to hospital in moderate condition after being involved in a motorcycle accident on The Terrace, between Bolton St and Aurora Tce, which has since reopened after being temporarily closed.
Has there been a flood in your neighborhood? Send your photos and videos to [email protected]
Supplied / NZTA
Following heavy rains on Sunday, the State Highway 1 roundabout in Plimmerton was closed due to flooding. NZTA said there is a risk of similar floods happening again tonight.
The Greater Wellington Regional Council said Sunday’s flash floods in Plimmerton were a flood event of one in 10 years.
51mm of rain was recorded at Whenua Tapu Cemetery in Plimmerton, the third highest total of three hours since 1991.
A three-hour total rainfall of 59mm was recorded at Battle Hill Farm Park.
“The rain was very heavy for periods, with 20mm falling in just 20 minutes,” said a GWRC spokesperson.
Further north, at Te Horo and Ōtaki, between 50 and 60mm of rain was recorded over six hours, which also led to some flooding, which is estimated to be a one-in-seven-year event.
The Kapiti-Mana Red Cross disaster response team was activated in Plimmerton this afternoon and is on the ground supporting residents in affected areas.
The Porirua City Council said 20 trucks full of mud were cleaned on Monday, in preparation for more rains.
A spokeswoman for the council said 15 houses had been deemed uninhabitable and it is helping two families with emergency shelter. Others have made their own arrangements.
NZTA Regional Transportation Systems Manager Mark Owen said there is again a risk of water pooling around the Plimmerton roundabout and on State Highway 2 around Petone.
High tide is expected in Porirua at 11pm on Monday.
