Intense winds reaching velocities of as high as 155km/h (96mph) have caused around 90,000 homes experiencing outages and compelled authorities to call off in excess of 100 air travel services, according to local media.
The winds are impacting the complete South Island and southern parts of the North Island, per the country's meteorological service.
New Zealand authorities have issued rare severe gust advisories - the most severe warning - in key areas encompassing these major districts.
Residents have been urged to remain inside, refrain from journeys, and get ready for more utility disruptions.
Widespread Destruction and Emergency Response
This outage is primarily influencing residences mainly in the South Island, though agencies report that power was being gradually reinstated.
Domestic outlets have reported that in certain areas homes have lost their roofs, while utility poles and vegetation have been brought down by the gusts.
Within the capital, a person was fatally injured after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a road by a powerful blast, in a event that was filmed in a popular vehicle recording.
Flights to and from the urban area have been halted because of the winds, whereas various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Strike Action During Extreme Conditions
The wild winds on today coincide with tens of thousands of educators, medical professionals and government employees take part in what has been described as a "major walkout", requesting improved salaries and workplace environments.
However the extreme weather has pressured them to change various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Comparable winds are affecting the neighboring country, bringing a period of extreme heat to the remote areas.
Officials have announced flame prohibitions for concern about wildfires.
