Intense winds attaining velocities of approximately 155km/h (96mph) have left around 90,000 homes lacking electricity and led officials to call off more than 100 flights, as reported by domestic outlets.
The winds are influencing the entire southern region and southern parts of the northern region, as stated by the country's meteorological service.
Officials in New Zealand have released rare red wind warnings - the highest alert level - in central regions such as these major districts.
People have been advised to avoid going outside, stay off roads, and prepare for more electricity and network failures.
Widespread Impact and Emergency Response
The power cut seems to be impacting residences mainly in the southern region, although agencies state that power was being slowly brought back.
Local media have indicated that in some places roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the gusts.
Across Wellington, a person was killed after being hit by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward moving cars on a street by a powerful blast, in a moment that was recorded in a popular vehicle recording.
Air travel to and from the urban area have been cancelled as a result of the winds, while various routes and public facilities are not operating.
At the same time Canterbury officials have declared a crisis declaration, to support disaster response efforts.
Strike Action Amid Extreme Conditions
The powerful gales on this day occur while many of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
However the intense climate has forced them to modify some of their plans, with several external protests shifted to interior venues or cancelled.
Like conditions are affecting the nearby nation, causing a period of extreme heat to the remote areas.
Agencies have declared fire bans for concern about forest fires.