Powerful winds hitting speeds of as high as 155km/h (96mph) have left nearly 90,000 households lacking electricity and led agencies to cancel more than 100 air travel services, according to regional news sources.
The gales are affecting the complete South Island and southern sections of the North Island, according to the national weather agency.
Officials in New Zealand have issued uncommon high-level wind alerts - the most severe warning - in key areas such as Wellington and Canterbury.
People have been encouraged to avoid going outside, refrain from journeys, and get ready for further utility disruptions.
Widespread Destruction and Crisis Response
The power cut is primarily influencing residences mainly in the South Island, while agencies say that the electricity supply was being slowly brought back.
Regional news have stated that in various locations roofs have been ripped off houses, and trees and electricity poles have been knocked down by the winds.
Within the capital, a person was lost his life after being struck by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a woman was blown onto moving cars on a road by a powerful blast, in a moment that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the metropolis have been cancelled due to the gusts, and various routes and public facilities are also closed.
Meanwhile local leaders have issued a emergency situation, to facilitate recovery activities.
Work Stoppages Amid Harsh Conditions
The wild winds on Thursday coincide with tens of thousands of educators, medical professionals and government employees take part in what has been described as a "mega strike", calling for improved salaries and workplace environments.
But the intense climate has forced them to alter various scheduled activities, with several external protests moved indoors or cancelled.
Like conditions are impacting the neighboring country, bringing a heatwave to the country's outback.
Authorities have declared flame prohibitions for fear of forest fires.
