Intense winds hitting speeds of as high as 155km/h (96mph) have left nearly 90,000 households lacking electricity and compelled authorities to call off in excess of 100 flights, based on local media.
These gusts are affecting the whole South Island and lower areas of the North Island, according to the weather forecasting body.
Officials in New Zealand have announced uncommon high-level wind alerts - the most severe warning - in central regions including these major districts.
Locals have been encouraged to remain inside, avoid travel, and get ready for further electricity and network failures.
Broad Destruction and Crisis Measures
The electricity loss seems to be impacting households mostly in the southern region, while officials say that energy was being restored progressively.
Domestic outlets have indicated that in certain areas roofs have been ripped off houses, while trees and electricity poles have been knocked down by the winds.
In Wellington, a person was killed after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a road by a powerful blast, in a incident that was captured in a widely shared car camera footage.
Air travel entering and leaving the metropolis have been cancelled as a result of the weather, whereas certain highways and community centers are shut down.
At the same time Canterbury officials have issued a emergency situation, to assist disaster response efforts.
Strike Action Alongside Severe Conditions
The wild winds on Thursday occur while tens of thousands of teachers, doctors and other public workers are participating in what has been described as a "major walkout", calling for improved salaries and workplace environments.
But the intense climate has compelled them to change various scheduled activities, with several external protests shifted to interior venues or called off.
Similar gusts are affecting Australia, bringing a period of extreme heat to the nation's interior regions.
Authorities have declared flame prohibitions for concern about bushfires.
