Powerful winds attaining velocities of up to 155km/h (96mph) have left nearly 90,000 homes without power and compelled authorities to halt over 100 flights, according to local media.
The gales are affecting the entire South Island and lower areas of the northern region, per the country's meteorological service.
New Zealand authorities have announced uncommon severe gust advisories - the highest alert level - in core zones such as Wellington and Canterbury.
Residents have been encouraged to remain inside, stay off roads, and make arrangements for further utility disruptions.
Broad Damage and Crisis Measures
The power cut seems to be impacting homes mostly in the southern region, although authorities say that power was being restored progressively.
Regional news have indicated that in certain areas roofs have been ripped off houses, whereas trees and electricity poles have been toppled by the gales.
Within the capital, a person was killed after being impacted by a falling limb at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a road by a powerful blast, in a moment that was captured in a popular vehicle recording.
Flights in and out of the city have been cancelled due to the weather, while various routes and public facilities are shut down.
Simultaneously Canterbury officials have announced a crisis declaration, to facilitate emergency management operations.
Work Stoppages Amid Harsh Conditions
The wild winds on this day come as tens of thousands of school staff, physicians and civil servants take part in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
But the extreme weather has pressured them to modify various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Like conditions are impacting the nearby nation, bringing a high-temperature event to the country's outback.
Authorities have issued burning restrictions for concern about forest fires.
