Powerful winds hitting speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes experiencing outages and forced agencies to call off over 100 aircraft departures, according to regional news sources.
These gusts are impacting the entire South Island and southern sections of the North Island, per the country's meteorological service.
New Zealand authorities have issued infrequent red wind warnings - the top caution category - in core zones encompassing Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and prepare for additional electricity and network failures.
Widespread Damage and Crisis Response
This outage appears to be affecting residences mainly in the southern region, though agencies state that power was being slowly brought back.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, whereas trees and electricity poles have been brought down by the gusts.
Within the capital, a individual was fatally injured after being hit by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a individual was blown onto oncoming traffic on a thoroughfare by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been halted due to the winds, whereas various routes and public facilities are not operating.
Meanwhile local leaders have announced a emergency situation, to assist emergency management operations.
Labor Protests During Extreme Conditions
The powerful gales on today coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", demanding better pay and working conditions.
But the extreme weather has compelled them to alter some of their plans, with some outdoor rallies relocated inside or cancelled.
Like conditions are also sweeping the nearby nation, ushering in a high-temperature event to the nation's interior regions.
Authorities have issued fire bans for apprehension regarding bushfires.