Powerful gales hitting speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and led officials to cancel more than 100 air travel services, based on regional news sources.
These gusts are impacting the complete southern region and lower areas of the North Island, according to the national weather agency.
New Zealand authorities have announced uncommon high-level wind alerts - the top caution category - in key areas encompassing these major districts.
Residents have been advised to avoid going outside, avoid travel, and prepare for additional power and communication outages.
Extensive Damage and Emergency Measures
The power cut is primarily influencing residences predominantly in the South Island, although authorities report that energy was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a man was killed after being hit by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a female was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Flights entering and leaving the city have been cancelled as a result of the weather, and some roads and libraries are also closed.
Simultaneously local leaders have announced a crisis declaration, to support recovery activities.
Strike Action Alongside Harsh Conditions
The wild winds on Thursday come as tens of thousands of educators, medical professionals and government employees are participating in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
Yet the intense climate has pressured them to modify various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Comparable winds are impacting the nearby nation, causing a period of extreme heat to the country's outback.
Officials have announced burning restrictions for fear of wildfires.