Powerful gales hitting velocities of up to 155km/h (96mph) have resulted in nearly 90,000 households experiencing outages and compelled officials to halt over 100 flights, according to local media.
The winds are affecting the complete South Island and southern sections of the northern region, as stated by the weather forecasting body.
New Zealand authorities have released uncommon red wind warnings - the highest alert level - in central regions including Wellington and Canterbury.
Locals have been encouraged to remain inside, stay off roads, and get ready for more power and communication outages.
Broad Impact and Emergency Response
The power cut is primarily influencing households mostly in the southern region, while authorities report that power was being restored progressively.
Regional news have stated that in various locations roofs have been ripped off houses, while power lines and trees have been brought down by the winds.
Within the capital, a person was killed after being hit by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a female was swept into moving cars on a thoroughfare by a powerful blast, in a incident that was filmed in a widely shared car camera footage.
Air travel entering and leaving the city have been cancelled because of the weather, and certain highways and community centers are shut down.
Meanwhile Canterbury officials have issued a crisis declaration, to support recovery activities.
Labor Protests Alongside Extreme Weather
These intense gusts on Thursday coincide with many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", demanding improved salaries and workplace environments.
But the severe conditions has compelled them to alter certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Similar gusts are also sweeping the nearby nation, ushering in a high-temperature event to the country's outback.
Authorities have declared fire bans for apprehension regarding forest fires.
