Severe gales attaining speeds of as high as 155km/h (96mph) have resulted in around 90,000 properties experiencing outages and compelled agencies to halt over 100 flights, based on local media.
The winds are impacting the whole South Island and southern sections of the North Island, according to the weather forecasting body.
Officials in New Zealand have announced uncommon red wind warnings - the top caution category - in core zones such as these major districts.
Residents have been encouraged to stay indoors, avoid travel, and get ready for additional power and communication outages.
Extensive Destruction and Crisis Measures
The power cut is primarily influencing households mainly in the southern region, though authorities state that the electricity supply was being restored progressively.
Regional news have reported that in certain areas homes have lost their roofs, and power lines and trees have been brought down by the winds.
In Wellington, a person was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Additionally in the city, a female was blown onto moving cars on a street by a powerful blast, in a moment that was filmed in a viral dashcam video.
Air travel in and out of the metropolis have been cancelled due to the winds, whereas various routes and public facilities are not operating.
Simultaneously local leaders have announced a emergency situation, to assist recovery activities.
Strike Action During Harsh Conditions
The wild winds on Thursday come as many of teachers, doctors and other public workers are participating in what has been described as a "mega strike", calling for improved salaries and workplace environments.
Yet the severe conditions has forced them to modify certain arrangements, with various open-air gatherings relocated inside or cancelled.
Like conditions are affecting the neighboring country, bringing a heatwave to the nation's interior regions.
Officials have issued fire bans for apprehension regarding forest fires.
