Powerful gales hitting speeds of approximately 155km/h (96mph) have caused approximately 90,000 homes without power and led authorities to halt more than 100 flights, according to domestic outlets.
The gales are affecting the whole South Island and southern sections of the northern region, per the country's meteorological service.
New Zealand authorities have announced rare severe gust advisories - the most severe warning - in key areas including Canterbury and Wellington.
Residents have been advised to stay indoors, refrain from journeys, and make arrangements for additional electricity and network failures.
Broad Damage and Crisis Measures
This outage is primarily influencing households predominantly in the South Island, though officials say that power was being restored progressively.
Domestic outlets have indicated that in various locations structures have suffered roof damage, while utility poles and vegetation have been knocked down by the winds.
In Wellington, a individual was fatally injured after being impacted by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a female was swept into moving cars on a thoroughfare by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Aircraft services to and from the metropolis have been halted as a result of the winds, and various routes and public facilities are shut down.
Simultaneously authorities in Canterbury have declared a crisis declaration, to support disaster response efforts.
Strike Action During Extreme Conditions
These intense gusts on this day occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "major walkout", calling for higher wages and enhanced employment terms.
However the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Comparable winds are also sweeping the nearby nation, ushering in a heatwave to the remote areas.
Authorities have issued burning restrictions for concern about forest fires.
