Powerful winds reaching speeds of as high as 155km/h (96mph) have resulted in around 90,000 properties lacking electricity and forced agencies to call off more than 100 aircraft departures, based on local media.
These gusts are influencing the complete southern region and lower areas of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have issued rare high-level wind alerts - the top caution category - in core zones including Canterbury and Wellington.
People have been advised to avoid going outside, refrain from journeys, and get ready for more utility disruptions.
Extensive Impact and Crisis Measures
The power cut seems to be impacting households predominantly in the South Island, while agencies report that power was being slowly brought back.
Regional news have indicated that in some places homes have lost their roofs, while utility poles and vegetation have been toppled by the gusts.
In Wellington, a person was fatally injured after being impacted by a wooden fragment at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was swept into oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a viral dashcam video.
Aircraft services entering and leaving the urban area have been suspended due to the weather, and various routes and public facilities are shut down.
At the same time local leaders have announced a state of emergency, to assist emergency management operations.
Strike Action Alongside Extreme Conditions
The powerful gales on this day occur while many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", calling for improved salaries and workplace environments.
Yet the intense climate has pressured them to modify some of their plans, with several external protests shifted to interior venues or cancelled.
Like conditions are also sweeping the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Officials have declared flame prohibitions for apprehension regarding bushfires.
