Severe winds hitting speeds of approximately 155km/h (96mph) have resulted in approximately 90,000 properties experiencing outages and forced authorities to call off more than 100 air travel services, according to local media.
These gusts are affecting the complete southern region and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have issued rare red wind warnings - the most severe warning - in core zones such as Canterbury and Wellington.
Residents have been encouraged to stay indoors, refrain from journeys, and get ready for more utility disruptions.
Widespread Impact and Crisis Response
This outage is primarily influencing homes predominantly in the South Island, while agencies say that energy was being restored progressively.
Local media have indicated that in some places structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
In Wellington, a person was fatally injured after being hit by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a woman was swept into oncoming traffic on a street by a powerful blast, in a moment that was filmed in a widely shared car camera footage.
Flights in and out of the city have been suspended due to the gusts, and certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have declared a emergency situation, to support recovery activities.
Labor Protests Amid Extreme Weather
These intense gusts on Thursday coincide with numerous of educators, medical professionals and government employees are participating in what has been called a "significant labor action", calling for improved salaries and workplace environments.
However the intense climate has pressured them to change certain arrangements, with several external protests relocated inside or cancelled.
Similar gusts are affecting the neighboring country, ushering in a heatwave to the country's outback.
Authorities have issued flame prohibitions for apprehension regarding forest fires.
