Severe winds attaining speeds of up to 155km/h (96mph) have resulted in approximately 90,000 homes without power and forced agencies to call off more than 100 flights, as reported by local media.
The winds are impacting the complete southern region and lower areas of the North Island, according to the country's meteorological service.
New Zealand authorities have issued uncommon severe gust advisories - the most severe warning - in core zones encompassing these major districts.
Residents have been advised to avoid going outside, refrain from journeys, and get ready for additional utility disruptions.
Broad Destruction and Crisis Response
This outage seems to be impacting households mainly in the South Island, although authorities report that the electricity supply was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been toppled by the winds.
In Wellington, a person was fatally injured after being hit by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a individual was swept into oncoming traffic on a thoroughfare by a powerful blast, in a event that was recorded in a popular vehicle recording.
Air travel in and out of the urban area have been cancelled because of the winds, whereas some roads and libraries are shut down.
At the same time authorities in Canterbury have announced a emergency situation, to support disaster response efforts.
Strike Action During Extreme Conditions
The powerful gales on Thursday occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for better pay and working conditions.
But the severe conditions has pressured them to change various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Like conditions are also sweeping the neighboring country, ushering in a period of extreme heat to the country's outback.
Officials have declared flame prohibitions for apprehension regarding bushfires.