Intense winds attaining velocities of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and led officials to halt in excess of 100 air travel services, according to domestic outlets.
These gusts are affecting the entire South Island and southern parts of the North Island, per the weather forecasting body.
New Zealand authorities have issued infrequent high-level wind alerts - the highest alert level - in core zones including these major districts.
People have been advised to remain inside, refrain from journeys, and make arrangements for additional power and communication outages.
Extensive Destruction and Emergency Response
This outage appears to be affecting households mostly in the southern region, though officials say that the electricity supply was being slowly brought back.
Regional news have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been brought down by the winds.
Within the capital, a person was killed after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Aircraft services to and from the metropolis have been cancelled due to the winds, and some roads and libraries are not operating.
Simultaneously authorities in Canterbury have announced a state of emergency, to assist emergency management operations.
Work Stoppages Alongside Harsh Conditions
The powerful gales on this day coincide with numerous of teachers, doctors and other public workers are participating in what has been called a "major walkout", calling for better pay and working conditions.
But the intense climate has compelled them to alter some of their plans, with several external protests relocated inside or abandoned.
Comparable winds are also sweeping the nearby nation, ushering in a period of extreme heat to the nation's interior regions.
Officials have issued fire bans for fear of bushfires.