Intense gusts hitting velocities of as high as 155km/h (96mph) have caused around 90,000 homes experiencing outages and forced authorities to cancel in excess of 100 aircraft departures, as reported by local media.
The gales are affecting the complete South Island and lower areas of the northern region, per the national weather agency.
New Zealand authorities have announced infrequent high-level wind alerts - the top caution category - in central regions encompassing Canterbury and Wellington.
Residents have been encouraged to remain inside, stay off roads, and prepare for additional power and communication outages.
Broad Destruction and Emergency Measures
The power cut is primarily influencing households predominantly in the southern region, while authorities report that the electricity supply was being restored progressively.
Domestic outlets have reported that in certain areas structures have suffered roof damage, and trees and electricity poles have been knocked down by the winds.
In Wellington, a person was lost his life after being hit by a tree branch at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was swept into approaching vehicles on a thoroughfare by a powerful blast, in a moment that was recorded in a viral dashcam video.
Air travel in and out of the city have been suspended as a result of the gusts, whereas some roads and libraries are shut down.
Meanwhile local leaders have declared a emergency situation, to facilitate recovery activities.
Strike Action During Severe Conditions
These intense gusts on Thursday coincide with tens of thousands of teachers, doctors and other public workers are engaged 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 some of their plans, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are also sweeping the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Authorities have announced fire bans for concern about wildfires.
