Intense winds attaining velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 properties without power and forced officials to call off more than 100 flights, according to domestic outlets.
These gusts are affecting the entire South Island and southern sections of the northern region, according to the weather forecasting body.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in key areas such as Canterbury and Wellington.
Locals have been encouraged to avoid going outside, refrain from journeys, and prepare for further utility disruptions.
Widespread Impact and Emergency Measures
This outage seems to be impacting homes mostly in the South Island, while officials say that power was being restored progressively.
Regional news have indicated that in certain areas roofs have been ripped off houses, whereas power lines and trees have been knocked down by the gusts.
In Wellington, a man was lost his life after being hit by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a event that was filmed in a widely shared car camera footage.
Flights to and from the metropolis have been suspended due to the gusts, whereas some roads and libraries are not operating.
At the same time Canterbury officials have issued a state of emergency, to support emergency management operations.
Strike Action Alongside Severe Weather
These intense gusts on Thursday coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "major walkout", calling for better pay and working conditions.
Yet the intense climate has forced them to change certain arrangements, with several external protests relocated inside or abandoned.
Like conditions are affecting the neighboring country, causing a heatwave to the country's outback.
Officials have announced burning restrictions for fear of bushfires.
