Severe gales reaching velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 homes without power and compelled agencies to halt in excess of 100 air travel services, based on domestic outlets.
The gales are affecting the whole South Island and southern sections of the northern region, as stated by the national weather agency.
Officials in New Zealand have released infrequent severe gust advisories - the highest alert level - in central regions such as Wellington and Canterbury.
Locals have been advised to remain inside, avoid travel, and prepare for additional power and communication outages.
Broad Impact and Crisis Measures
This outage appears to be affecting households mainly in the southern region, while officials report that power was being restored progressively.
Regional news have stated that in some places structures have suffered roof damage, and trees and electricity poles have been brought down by the winds.
Within the capital, a man was killed after being impacted by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto approaching vehicles on a road by a intensive burst, in a moment that was filmed in a viral dashcam video.
Air travel to and from the city have been cancelled due to the winds, while some roads and libraries are also closed.
Simultaneously authorities in Canterbury have issued a crisis declaration, to support emergency management operations.
Labor Protests Amid Severe Conditions
The powerful gales on this day come as many of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
But the intense climate has pressured them to modify some of their plans, with several external protests moved indoors or called off.
Comparable winds are also sweeping the nearby nation, bringing a period of extreme heat to the country's outback.
Agencies have announced fire bans for concern about wildfires.