Weather News

Rain and a drop in temperatures
27/09/2022
Covering period of Tuesday 27 - Friday 30 September
 
As September draws to a close we haven’t seen the last of the winter weather. While the week starts warm for much of New Zealand, a southerly change arriving late on Thursday has MetService forecasting colder temperatures and even some snowfall to round out the month. 

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WWW.Weatherwatch.co.nz

https://www.metservice.com/

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Short Forecast

Valid to Midnight Wednesday

Northland, Auckland, Coromandel Peninsula, Bay of Plenty and Gisborne
Often cloudy. Isolated showers, clearing Gisborne tomorrow afternoon.

Waikato to Taranaki, including Taumarunui and Taupo
Partly cloudy. Isolated showers developing about Taupo this evening, and elsewhere tomorrow.

Whanganui to Wellington, including Taihape, Hawke's Bay and Wairarapa
Fine today. Partly cloudy tomorrow.

Nelson and Marlborough
Fine with high cloud. A few showers developing tonight, mainly about the ranges, then turning to rain tomorrow evening.

Buller, Westland, and Fiordland
A few showers, turning to rain tomorrow morning with heavy falls.

Canterbury
Fine today. Scattered rain developing about the High Country tomorrow morning with a few spots elsewhere, then clearing in the evening.

Otago and Southland
Partly cloudy with scattered showers, clearing tonight. Scattered rain developing about Central Otago tomorrow with a few spots elsewhere.

Chatham Islands
Cloudy periods. A few showers tomorrow.

Thursday
North Island: Mainly fine in Gisborne and Hawke's Bay. Elsewhere, occasional showers turning to rain. South Island: Rain in the west and north, some possibly heavy, easing to isolated showers in the evening. Elsewhere, rain with southerlies spreading north later, with snow to 400 metres in Southland, Otago and South Canterbury from evening.

Friday
North Island: Rain in the east and the far north. Scattered showers elsewhere, clearing in the south later. South Island: Rain in the east and north, easing to isolated showers in the afternoon. Elsewhere, a few showers clearing early then fine. Snow to 500 metres in Marlborough and Canterbury in the morning.

Saturday
North Island: Rain in the north and east, with some heavy falls. Elsewhere, mostly cloudy with scattered rain developing north Manawatu late. South Island: Mainly fine. Isolated showers in the east and south clearing.

Chatham Islands
A few showers turning to rain for a time early Friday as northwesterlies change to southerly.

No Severe Thunderstorm Warnings in force.

Situation

Heavy rain for western and northern parts of the South Island

A moist northerly flow is forecast to bring outbreaks of heavy rain to northern and western parts of the South Island from Wednesday to Thursday. The heaviest falls are expected about the ranges of Kahurangi National Park and Buller, and a Heavy Rain Warning is now in force. A Heavy Rain Watch remains in force for the Westland ranges south of Hokitika, and is now in force for the Richmond and Bryant Ranges.

People are advised to stay up to date with the latest forecasts in case any Watches are upgraded to a Warning or further areas are added.

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Heavy Rain Warning - Orange

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

Area: Buller, including Kahurangi National Park and Takaka Hill

Period: 18hrs from 7pm Wed, 28 Sep - 1pm Thu, 29 Sep

Forecast: Expect 110 to 140mm to accumulate about the ranges of Kahurangi National Park, 80 to 100mm about Takaka Hill and the remaining ranges of Buller, and lesser amounts elsewhere. Peak intensities of 15 to 20mm/h about Kahurangi Wednesday night and Thursday morning.

Heavy Rain Watch

Area: The Richmond and the Bryant Ranges including the Rai River Valley

Period: 17hrs from 9pm Wed, 28 Sep - 2pm Thu, 29 Sep

Forecast: Periods of heavy rain. Rainfall amounts could approach short duration warning criteria (greater than 80mm in 18 hours)

Area: The ranges of Westland south of Hokitika

Period: 24hrs from 8am Wed, 28 Sep - 8am Thu, 29 Sep

Forecast: Periods of heavy rain. Rainfall amounts may approach warning criteria.

No Road Snowfall Warnings in force.

Normal Cyclone Season Is Finished

For More Information & Updates Go To
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MetService - Te Ratonga Tirorangi
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Or
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WWW.Weatherwatch.co.nz
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