After a day of sandbagging and preparing for the worst, residents of flood-threatened Westport and surrounding areas are being told to pack a bag ready for possible evacuations on Wednesday.
A regional state of emergency was declared on the West Coast on Tuesday after a day of heavy rain and rising rivers. A red warning for heavy rain has been issued by MetService for the area.
Buller deputy mayor Sharon Roche said on Tuesday evening the district was still expecting a significant amount of rain in the ranges, which would eventually wash down the Buller River.
“The rainfall keeps on changing all the time.”
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The National Institute of Water and Atmospheric (Niwa) warned that a “long-lived” atmospheric river landing on Tuesday could lead to “well over a month’s worth of rain” this week, especially in parts of the South Island.
Council and emergency staff will be briefed again on Wednesday morning, where they would get updated modelling on rainfall and river flows, Roche said.
“Then we’ll start thinking about whether we need to start evacuating parts of Westport, or the region.”
Some of Buller’s coastal communities might also see swells of up to 5 metres and gale-force winds from early Wednesday, she said.
“We’re really just advising people to be as ready as possible… [to] prepare their homes and businesses.”
She advised locals to check in on vulnerable family members, and keep up with the latest updates from council.
“We’re planning for the absolute worst, but hoping for the absolute best. It’s really just seeing what happens over the next 24 hours.”
Buller Civil Defence Controller Douglas Marshall said heavy machinery has been creating additional bunds, pumps have been set up and inflatable barriers installed to protect critical infrastructure.
He said residents in areas that have flooded before should keep a bag packed in case their homes are evacuated. He urged people living in low-lying areas to make their own evacuation plans.
Marshall said 22,000 sandbags were available for residents on Wednesday.
Buller District Council and Civil Defence opened its emergency operations centre on Monday, and extra support staff and vehicles from police, St John Ambulance, and Fire and Emergency were sent to the town.
In Westport, Alexandria Blackburn-Wood was one of many locals filling up sandbags on Tuesday morning.
She lived on Brougham St close to the Orowaiti River now, but lived out at Snodgrass during the July 2021 floods, an area prone to severe flooding.
“[It is] a better spot, for sure. We haven’t had a flood in this property yet, but we just want to make sure. I just hope the council’s got it under control.”
Blackburn-Wood and her partner had found out they would be evacuated from their Snodgrass home while at work last July, and they arrived home to find water “pouring through the property”.
North of Westport, Granity fire chief Murray Watson and his crew of local volunteers were checking over their water pumps and making sure they had enough supplies.
“It’s just about looking after the community. It’s not always easy to get backup [out here] – we’re often on our own,” Watson said.
Watson was cautious about the forecast, given there had already been several major slips on the steep escarpment immediately above Granity and Ngakawau townships in heavy rain earlier this year.
“The rivers are full of gravel. It won’t take much … [But] we’re pretty well-prepared. It’s not something anyone really wants, but if it’s going to happen it’s going to happen.”
The flooding would be the third in the region in just over a year.
Flooding in July last year was the region’s worst for decades, leading to evacuations of almost half of Westport and a three-week-long state of emergency. More floods in February this year again caused widespread damage and left the town cut off.
Peter Meecham/Stuff
Flooding in Westport in mid-July 2021. (Video first published in July 2021)
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