Warm weather plays havoc with ski season

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Balmy weather is being blamed for delaying the start of the ski season in many South Island ski fields.

In Central Otago, The Remarkables, Coronet Peak and the Snow Park have all suffered from warm temperatures keeping the snow away.

Coronet Peak was due to open on June 4, the Snow Park last weekend and the Remarkables this weekend, but all have had their plans thwarted.

Ash latest: Tracking up SI's east coast

The new ash cloud passing over New Zealand is at a much lower altitude than previous ash plumes reports, as a result Air NZ has cancelled a number of flights to the South Island.

See the full story on which flights are affected here.

Ash cloud stops Air NZ

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Air New Zealand was last night forced to start cancelling flights because of volcanic ash from Chile - and the flight plans of thousands of passengers today are uncertain.

Ash cancels Air NZ flights

Air New Zealand's been forced to cancel some flights tonight due to the Chilean Ash Cloud.

As a result of increased volcanic ash activity in the south of the South Island it's cancelled a number of flights in and out of Dunedin.

Air New Zealand will continue to monitor the situation closely and will update the situation again tomorrow morning.

Southerly change hits Christchurch

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Arriving a couple of hours earlier than expected an icy southerly change is currently moving into Christchurch and other Canterbury centres as we head towards Wednesday evening.

First quake also revised up

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The size of Monday's two biggest earthquakes has been revised upwards, as scientists revealed which areas around Christchurch were hit hardest.

The two aftershocks were revised up to magnitude 5.6 and magnitude 6.3 by GNS scientists as more data was incorporated into their analysis.

Cooling effect in 2km-thick ash plumes

Plumes of volcanic ash blanketing New Zealand's airspace are more than 2km thick and could cool the country's climate.

Only the tip of the Far North was not covered yesterday by the ash cloud from the Puyehue-Cordon Caulle volcano.

Chch quake upgraded to 6.3, one death reported

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When Christchurch residents said yesterday's quake felt "just as bad" as February's deadly earthquake, they were right. 

GeoNet has today upgraded yesterday's 6.0 jolt to 6.3 on the Richter Scale - the exact same magnitude as the February 22 earthquake earlier this year which killed 181 people.

Backlog from ash delays frustrates travel plans

At least 10,000 more passengers had their flights grounded yesterday as disruption from a volcanic ash cloud from South America spread to long-haul flights.

The recommended flight altitude was increased from 6100m to 8200m yesterday afternoon, but the backlog from cancelled flights led to long queues and frayed nerves on both sides of the Tasman.

Christchurch - New earthquake photos (5)

During times of disaster Twitter and Facebook are one of the quickest sources for sharing news, photos and video.

Here are the latest photos being shared via Twitter and Facebook from this afternoons 5.5 and 6.0 quakes in Christchurch.