Floods force evacuations in Nelson

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Three families have been evacuated by helicopter in the Nelson region as flood waters threatened their properties.

Detective Senior Sergeant Ian Langdridge says more heavy rain is predicted in the hours ahead so the Operations base and Tasman District Council are closely monitoring river levels.

Rough weather for Nelson

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The Nelson City Council is asking residents to brace themselves for some rough weather. The Motueka Highway is blocked by a slip at McLeans Reserve, about 30 kilometres from Lower Motueka Valley


More thunderstorms and heavy showers moving in

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More thunderstorms are tonight moving in to western parts of the North Island and the upper South Island.

This follows a relative calm afternoon for many after a solid band of heavy rain and thunderstorms moved over many regions around noon today.

That band is now moving over eastern Bay of Plenty and East Cape.

Thunderstorms move south, more coming for the north tonight

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Heavy weather is moving down the North Island.

Thunderstorms, hail and even a few small tornadoes are expected through Waitomo, Taumarunui and Taranaki this afternoon.

Central Auckland took a drenching, which caused superficial flooding on some roads, during the lunch hour.

Violent thunderstorm rocks Auckland, tornado danger

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A violent thunderstorm has this afternoon moved across Auckland bringing fork lightning, torrential rain and funnel clouds.

Head weather analyst Philip Duncan says almost 750 lightning strikes have been detected in the past 60 minutes and that strike rate is rapidly increasing.

Thunderstorms: The latest from the rain radar

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Widespread showers, many heavy with thunderstorms, are currently spreading over much of Northland.

In Auckland, it finally looks as though heavy rain is about to move in with a band of rain hugging the west coast and moving into Helensville.  It should see some good downpours over the next couple of hours. Behind it, the odd heavy shower with another band of squally showers most likely arriving tonight.

It ain't over 'til the fat lady sings - more thunder on the way

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A very large low pressure system continues to churn off the nation's west coast and brought dramatic weather to parts of the North Island last night.

An electrical storm hit Taranaki with reports of a small tornado damaging buildings.  Lightning was dramatic, flickering every few seconds, along with thunder directly overhead, heavy rain and hail.

Tornado hits Taranaki; Severe thunderstorm warning issued for Coromandel

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Metservice has issued a Severe Thunderstorm Warning early this morning for the Thames/Coromandel region.

Issued by MetService at 02:26 am Saturday 15 May 2010.
Valid until 03:15 am Saturday 15 May 2010.

This warning affects people in the following local government areas: THAMES COROMANDEL.

At 02:15 am, MetService weather radar detected severe thunderstorms near LITTLE BARRIER ISLAND and OUTER HAURAKI GULF.

Taranaki rocked by electrical storm

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Taranaki is tonight being blasted by a dramatic electrical storm that is seeing lightning flashes every few seconds, loud thunder, torrential rain and hail says our New Plymouth reporter Greg Taylor.

The thunderstorms started earlier this evening and show no signs of letting up with further rain bands marching in.

MetService issues Severe Thunderstorm Watch for Auckland, Northern NZ

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This watch affects people in the following weather forecast districts:
Northland, Auckland, Great Barrier Island, Coromandel Peninsula, Waikato, Bay Of Plenty,

A very unstable airmass lies over the upper North Island. The latest band of heavy showers and squally thunderstorms is expected to move onto Northland later this evening, move through the Auckland area about 4am and continue southeastward passing over the Coromandel Peninsula around 7am to lie over western Bay of Plenty by noon Saturday.

Some of the thunderstorms within this band may be SEVERE, are most likely to occur about northeastern coasts, but may extend right down into the Auckland City area as the band passes. These SEVERE thunderstorms have the potential to produce brief heavy rain, hail of 15-20+mm in diameter, squally wind gusts to 120+km/hr, and there is a risk of a damaging tornado, particularly between the eastern Northland Coast and northern Coromandel Peninsula.

These squally winds and possible small tornadoes may cause some structural damage, including damage to trees and power lines, and make driving hazardous. If any tornados occur, they will only affect very localised areas.

See below for the latest MAPS...