Powerful gusts hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties without power and forced agencies to call off more than 100 aircraft departures, based on regional news sources.
The gales are affecting the complete South Island and southern parts of the northern region, per the weather forecasting body.
Officials in New Zealand have released rare red wind warnings - the most severe warning - in central regions including Canterbury and Wellington.
People have been urged to remain inside, refrain from journeys, and prepare for additional electricity and network failures.
Widespread Impact and Crisis Response
The electricity loss appears to be affecting residences predominantly in the South Island, while officials state that power was being slowly brought back.
Regional news have reported that in certain areas roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the gales.
In Wellington, a individual was lost his life after being impacted by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was pushed toward moving cars on a road by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Flights to and from the urban area have been halted because of the weather, whereas various routes and public facilities are also closed.
Simultaneously local leaders have issued a crisis declaration, to assist emergency management operations.
Labor Protests During Severe Weather
These intense gusts on Thursday occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "mega strike", calling for improved salaries and workplace environments.
However the severe conditions has forced them to modify some of their plans, with some outdoor rallies relocated inside or called off.
Comparable winds are affecting the nearby nation, bringing a period of extreme heat to the remote areas.
Officials have announced fire bans for fear of wildfires.
