Severe winds attaining speeds of up to 155km/h (96mph) have resulted in approximately 90,000 homes without power and compelled agencies to call off in excess of 100 flights, as reported by regional news sources.
The winds are affecting the whole South Island and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have issued uncommon red wind warnings - the most severe warning - in central regions such as Wellington and Canterbury.
Locals have been advised to stay indoors, refrain from journeys, and make arrangements for additional power and communication outages.
Extensive Impact and Emergency Response
This outage seems to be impacting residences predominantly in the South Island, though agencies report that power was being slowly brought back.
Regional news have stated that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gusts.
In Wellington, a individual was fatally injured after being struck by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a woman was pushed toward oncoming traffic on a street by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Flights to and from the city have been halted as a result of the winds, and some roads and libraries are also closed.
At the same time local leaders have issued a state of emergency, to facilitate disaster response efforts.
Strike Action Amid Extreme Conditions
The wild winds on Thursday coincide with numerous of teachers, doctors and other public workers are participating in what has been described as a "mega strike", demanding improved salaries and workplace environments.
However the extreme weather has compelled them to modify certain arrangements, with some outdoor rallies moved indoors or cancelled.
Similar gusts are affecting the nearby nation, ushering in a high-temperature event to the remote areas.
Officials have issued fire bans for fear of bushfires.