Intense gusts hitting speeds of approximately 155km/h (96mph) have caused around 90,000 households lacking electricity and led agencies to call off more than 100 flights, as reported by regional news sources.
The gales are impacting the whole southern region and lower areas of the North Island, as stated by the national weather agency.
New Zealand authorities have announced rare red wind warnings - the most severe warning - in core zones encompassing Canterbury and Wellington.
People have been advised to avoid going outside, refrain from journeys, and make arrangements for more electricity and network failures.
Broad Destruction and Crisis Response
The electricity loss seems to be impacting households mostly in the southern region, though officials say that power was being restored progressively.
Local media have reported that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gales.
Within the capital, a individual was killed after being hit by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a event that was filmed in a viral dashcam video.
Flights to and from the urban area have been suspended due to the weather, whereas certain highways and community centers are not operating.
At the same time Canterbury officials have announced a crisis declaration, to facilitate recovery activities.
Strike Action Amid Harsh Weather
The wild winds on Thursday come as tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting improved salaries and workplace environments.
Yet the intense climate has forced them to alter some of their plans, with several external protests moved indoors or cancelled.
Like conditions are also sweeping the nearby nation, ushering in a heatwave to the country's outback.
Agencies have declared flame prohibitions for fear of wildfires.
