Intense winds hitting speeds of approximately 155km/h (96mph) have caused approximately 90,000 households lacking electricity and led officials to halt in excess of 100 air travel services, based on domestic outlets.
The gales are affecting the whole southern region and southern parts of the northern region, as stated by the national weather agency.
The nation's agencies have released infrequent high-level wind alerts - the top caution category - in central regions such as Canterbury and Wellington.
Residents have been advised to stay indoors, stay off roads, and prepare for additional utility disruptions.
Widespread Impact and Emergency Measures
This outage seems to be impacting homes mostly in the South Island, while agencies report that power 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 knocked down by the winds.
In Wellington, a person was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was blown onto moving cars on a thoroughfare by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Air travel entering and leaving the metropolis have been cancelled because of the winds, while various routes and public facilities are shut down.
Meanwhile local leaders have announced a state of emergency, to facilitate recovery activities.
Labor Protests Alongside Extreme Conditions
The powerful gales on Thursday occur while numerous of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", requesting higher wages and enhanced employment terms.
But the intense climate has forced them to change various scheduled activities, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are affecting the nearby nation, causing a heatwave to the remote areas.
Authorities have issued flame prohibitions for concern about wildfires.