Powerful gales attaining speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and led officials to cancel over 100 air travel services, based on domestic outlets.
The gales are affecting the entire South Island and southern parts of the northern region, according to the country's meteorological service.
New Zealand authorities have issued rare high-level wind alerts - the top caution category - in core zones including these major districts.
People have been advised to stay indoors, refrain from journeys, and make arrangements for more power and communication outages.
Widespread Destruction and Crisis Response
The power cut appears to be affecting homes predominantly in the South Island, although officials report that energy was being gradually reinstated.
Regional news have stated that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gusts.
In Wellington, a person was killed after being hit by a wooden fragment at a well-known hiking path on earlier this week.
Additionally in the city, a individual was blown onto moving cars on a street by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Flights entering and leaving the city have been halted because of the gusts, and various routes and public facilities are shut down.
Simultaneously local leaders have issued a emergency situation, to facilitate recovery activities.
Strike Action During Harsh Weather
These intense gusts on Thursday occur while tens of thousands of educators, medical professionals and government employees are participating in what has been called a "significant labor action", calling for improved salaries and workplace environments.
Yet the extreme weather has compelled them to change various scheduled activities, with some outdoor rallies moved indoors or called off.
Comparable winds are also sweeping the neighboring country, causing a high-temperature event to the remote areas.
Agencies have issued flame prohibitions for concern about wildfires.
