Severe gusts reaching speeds of up to 155km/h (96mph) have resulted in approximately 90,000 properties experiencing outages and led authorities to call off more than 100 air travel services, based on regional news sources.
These gusts are influencing the complete South Island and southern sections of the North Island, according to the country's meteorological service.
New Zealand authorities have announced uncommon red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
Locals have been urged to avoid going outside, stay off roads, and get ready for further power and communication outages.
Broad Impact and Emergency Measures
This outage seems to be impacting homes mainly in the South Island, while agencies say that energy was being restored progressively.
Domestic outlets have indicated that in some places roofs have been ripped off houses, while trees and electricity poles have been brought down by the gusts.
Within the capital, a individual was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a individual was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a viral dashcam video.
Flights entering and leaving the city have been halted due to the winds, while some roads and libraries are not operating.
Meanwhile Canterbury officials have announced a crisis declaration, to assist emergency management operations.
Labor Protests Amid Harsh Weather
These intense gusts on Thursday come as many of educators, medical professionals and government employees are participating in what has been described as a "mega strike", requesting higher wages and enhanced employment terms.
Yet the intense climate has forced them to modify certain arrangements, with various open-air gatherings moved indoors or abandoned.
Similar gusts are also sweeping the neighboring country, causing a period of extreme heat to the remote areas.
Authorities have announced burning restrictions for apprehension regarding wildfires.