Severe winds reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 homes lacking electricity and compelled authorities to halt more than 100 air travel services, as reported by local media.
The gales are impacting the entire southern region and southern sections of the northern region, according to the national weather agency.
New Zealand authorities have announced uncommon red wind warnings - the top caution category - in key areas including Canterbury and Wellington.
People have been encouraged to stay indoors, refrain from journeys, and get ready for further utility disruptions.
Widespread Impact and Emergency Measures
The electricity loss seems to be impacting homes predominantly in the South Island, though agencies report that power was being restored progressively.
Domestic outlets have stated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been knocked down by the gales.
Across Wellington, a person was fatally injured after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was pushed toward moving cars on a street by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Air travel in and out of the urban area have been suspended because of the winds, whereas various routes and public facilities are not operating.
Meanwhile local leaders have declared a crisis declaration, to assist recovery activities.
Work Stoppages Alongside Extreme Weather
The powerful gales on today come as many of educators, medical professionals and government employees take part in what has been described as a "major walkout", calling for better pay and working conditions.
However the extreme weather has pressured them to modify some of their plans, with some outdoor rallies relocated inside or abandoned.
Like conditions are also sweeping the neighboring country, ushering in a heatwave to the country's outback.
Authorities have announced flame prohibitions for concern about forest fires.