Powerful gusts attaining velocities of up to 155km/h (96mph) have caused nearly 90,000 properties experiencing outages and forced agencies to halt over 100 air travel services, as reported by local media.
These gusts are influencing the complete southern region and southern sections of the northern region, as stated by the weather forecasting body.
The nation's agencies have released infrequent high-level wind alerts - the top caution category - in central regions including Canterbury and Wellington.
Residents have been urged to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Broad Damage and Crisis Response
The power cut is primarily influencing residences mainly in the South Island, though agencies say that energy was being restored progressively.
Domestic outlets have reported that in some places homes have lost their roofs, whereas utility poles and vegetation have been brought down by the gales.
In Wellington, a man was lost his life after being impacted by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a road by a powerful blast, in a moment that was filmed in a viral dashcam video.
Aircraft services to and from the urban area have been halted due to the winds, while certain highways and community centers are not operating.
Simultaneously local leaders have declared a crisis declaration, to support disaster response efforts.
Labor Protests Alongside Harsh Weather
The powerful gales on Thursday coincide with tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
But the severe conditions has compelled them to change certain arrangements, with some outdoor rallies moved indoors or called off.
Comparable winds are affecting Australia, ushering in a period of extreme heat to the remote areas.
Authorities have issued flame prohibitions for apprehension regarding forest fires.
