Intense gusts reaching velocities of up to 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and forced agencies to halt more than 100 aircraft departures, based on domestic outlets.
These gusts are impacting the complete South Island and southern sections of the North Island, as stated by the weather forecasting body.
New Zealand authorities have announced uncommon high-level wind alerts - the top caution category - in central regions encompassing these major districts.
Locals have been urged to stay indoors, avoid travel, and prepare for further utility disruptions.
Broad Damage and Emergency Measures
The electricity loss is primarily influencing residences mainly in the southern region, although agencies say that energy was being slowly brought back.
Local media have stated that in some places structures have suffered roof damage, while trees and electricity poles have been toppled by the winds.
Within the capital, a individual was lost his life after being impacted by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was blown onto moving cars on a thoroughfare by a strong gust of wind, in a event that was captured in a viral dashcam video.
Flights in and out of the city have been suspended due to the weather, and various routes and public facilities are shut down.
Simultaneously local leaders have issued a emergency situation, to support disaster response efforts.
Strike Action Alongside Harsh Conditions
The wild winds on Thursday come as many of school staff, physicians and civil servants are participating in what has been termed a "major walkout", requesting higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify certain arrangements, with several external protests moved indoors or called off.
Comparable winds are also sweeping Australia, bringing a period of extreme heat to the remote areas.
Authorities have issued fire bans for fear of wildfires.