Powerful gusts attaining velocities of up to 155km/h (96mph) have caused nearly 90,000 households lacking electricity and compelled authorities to cancel more than 100 flights, based on domestic outlets.
The gales are impacting the complete South Island and southern parts of the northern region, per the weather forecasting body.
The nation's agencies have released uncommon severe gust advisories - the most severe warning - in key areas including Wellington and Canterbury.
Locals have been urged to stay indoors, stay off roads, and prepare for further electricity and network failures.
Broad Destruction and Emergency Response
The electricity loss appears to be affecting residences mostly in the southern region, although officials report that energy was being slowly brought back.
Domestic outlets have stated that in various locations structures have suffered roof damage, while trees and electricity poles have been knocked down by the gusts.
In Wellington, a individual was lost his life after being hit by a falling limb at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a road by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the city have been suspended because of the winds, while some roads and libraries are shut down.
Meanwhile local leaders have issued a crisis declaration, to support disaster response efforts.
Strike Action During Severe Weather
These intense gusts on Thursday occur while many of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the extreme weather has forced them to change various scheduled activities, with several external protests relocated inside or cancelled.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the remote areas.
Authorities have announced fire bans for apprehension regarding forest fires.
