Severe gales hitting speeds of approximately 155km/h (96mph) have resulted in around 90,000 properties without power and compelled authorities to halt over 100 air travel services, according to local media.
These gusts are affecting the complete South Island and southern sections of the North Island, as stated by the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
Residents have been encouraged to stay indoors, refrain from journeys, and prepare for more utility disruptions.
Extensive Damage and Emergency Measures
This outage appears to be affecting residences mainly in the southern region, although officials say that power was being restored progressively.
Local media have reported that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gusts.
Within the capital, a person was fatally injured after being hit by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was pushed toward moving cars on a thoroughfare by a strong gust of wind, in a event that was captured in a widely shared car camera footage.
Air travel to and from the city have been suspended because of the weather, and certain highways and community centers are not operating.
At the same time Canterbury officials have declared a state of emergency, to facilitate disaster response efforts.
Labor Protests Alongside Severe Conditions
These intense gusts on Thursday coincide with many of educators, medical professionals and government employees take part in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify some of their plans, with various open-air gatherings relocated inside or abandoned.
Comparable winds are impacting the neighboring country, ushering in a heatwave to the remote areas.
Authorities have declared burning restrictions for apprehension regarding wildfires.
