Intense winds hitting speeds of approximately 155km/h (96mph) have resulted in around 90,000 homes experiencing outages and forced authorities to halt in excess of 100 flights, as reported by regional news sources.
The winds are affecting the entire southern region and lower areas of the North Island, as stated by the national weather agency.
The nation's agencies have announced rare severe gust advisories - the most severe warning - in central regions encompassing Canterbury and Wellington.
People have been encouraged to remain inside, avoid travel, and make arrangements for more utility disruptions.
Widespread Destruction and Crisis Measures
The electricity loss appears to be affecting households mostly in the southern region, while officials say that power was being slowly brought back.
Local media have reported that in various locations homes have lost their roofs, while utility poles and vegetation have been knocked down by the winds.
In Wellington, a individual was killed after being struck by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a individual was pushed toward moving cars on a thoroughfare by a intensive burst, in a moment that was recorded in a widely shared car camera footage.
Air travel entering and leaving the metropolis have been halted as a result of the winds, and certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a emergency situation, to facilitate disaster response efforts.
Labor Protests During Severe Weather
These intense gusts on Thursday come as many of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
But the intense climate has forced them to modify certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are affecting the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Authorities have issued fire bans for concern about wildfires.