Severe winds attaining speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 homes without power and led agencies to halt in excess of 100 flights, based on local media.
These gusts are affecting the entire South Island and southern sections of the northern region, per the country's meteorological service.
Officials in New Zealand have issued uncommon severe gust advisories - the highest alert level - in central regions including these major districts.
Locals have been urged to stay indoors, avoid travel, and prepare for additional electricity and network failures.
Widespread Destruction and Emergency Response
This outage is primarily influencing residences mostly in the South Island, though officials say that the electricity supply was being restored progressively.
Local media have indicated that in some places structures have suffered roof damage, while power lines and trees have been toppled by the winds.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was pushed toward moving cars on a road by a powerful blast, in a event that was recorded in a popular vehicle recording.
Aircraft services to and from the city have been cancelled as a result of the weather, while some roads and libraries are shut down.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Strike Action Amid Harsh Conditions
The wild winds on Thursday occur while numerous of teachers, doctors and other public workers are participating in what has been described as a "mega strike", calling for improved salaries and workplace environments.
However the intense climate has pressured them to alter certain arrangements, with various open-air gatherings shifted to interior venues or abandoned.
Like conditions are also sweeping the nearby nation, bringing a period of extreme heat to the country's outback.
Agencies have issued burning restrictions for concern about forest fires.
