Another storm on its way to much of the North Island

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  • A heavy rain warning has been issued for Northland, also with a strong wind watch
  • Areas already flooded are at risk of worsening, MetService says
  • Fourteen-hour heavy rain watches have been issued for Auckland, the Coromandel Peninsula, the Bay of Plenty, Gisborne and Hawke’s Bay, north of Mohaka

The country’s peak is expected to be drenched by a second wintry weather system in a week, with heavy rain and gales again expected.

Northland was hit hard on Tuesday as the country was hit by a storm that closed highways, flooded paddocks and brought snow to parts of the South Island.

MetService issued a heavy rain warning for Northland, telling residents to expect between 50mm and 70mm between noon Thursday and 3am Friday.

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On Tuesday, paddocks were flooded in Whakapara, north of Whangārei.

Denise Piper / Stuff

On Tuesday, paddocks were flooded in Whakapara, north of Whangārei.

A seven-hour strong wind watch has also been issued for the region, between 11 p.m. Thursday and 6 a.m. Friday, with winds from the southwest approaching strong gales in exposed locations.

MetService meteorologist John Law said Northland would bear the brunt of the system – with areas that were already flooded likely to be made worse.

Slips are also a risk on wet ground.

Kerikeri has already received 236mm of rain in July, well above its average of 188mm for the month, Law said Thursday morning.

“It is raining a lot and the ground is saturated. It is this succession of low pressures that brought the episodes of rain, we must not only look at an individual event but what has happened in recent days.

A landslide closed State Highway 1 in north Auckland between Orewa and Warkworth on Tuesday, now more landslides are possible.

Gary Vaughan/Supplied

A landslide closed State Highway 1 in north Auckland between Orewa and Warkworth on Tuesday, now more landslides are possible.

Northland isn’t the only area expected to see heavy rain and strong southwesterly winds, with the northeast of the North Island expected to get drenched as the system moves across the country.

Fourteen-hour heavy rain watches have been issued for Auckland, the Coromandel Peninsula, the Bay of Plenty, Gisborne and Hawke’s Bay, north of Mohaka.

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Rain is expected to fall on Thursday, from Auckland and Coromandel from 2pm, Bay of Plenty from 6pm, Gisborne from 7pm and Hawke’s Bay from 9pm.

There is also a strong wind watch for Auckland, including Great Barrier Island and the Coromandel Peninsula for the nine hours from midnight Thursday.

Law said the good news about the system is that it should go away fairly quickly and most parts of New Zealand should have a relatively pleasant weekend.

The only exception is the west coast of the South Island, where rain is forecast for Saturday.

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