Powerful gales hitting speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 properties lacking electricity and compelled authorities to cancel more than 100 aircraft departures, as reported by local media.
The winds are affecting the entire South Island and southern sections of the northern region, according to the weather forecasting body.
Officials in New Zealand have released uncommon high-level wind alerts - the most severe warning - in key areas encompassing these major districts.
Residents have been advised to avoid going outside, refrain from journeys, and prepare for more power and communication outages.
Broad Destruction and Crisis Response
The power cut is primarily influencing homes mainly in the southern region, though authorities state that power was being gradually reinstated.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, whereas power lines and trees have been brought down by the winds.
In Wellington, a person was fatally injured after being impacted by a tree branch at a frequent walking route on earlier this week.
Also in the capital, a woman was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a event that was filmed in a widely shared car camera footage.
Flights to and from the urban area have been halted as a result of the winds, and some roads and libraries are also closed.
Simultaneously local leaders have declared a state of emergency, to assist recovery activities.
Labor Protests Amid Extreme Conditions
The powerful gales on this day coincide with many of educators, medical professionals and government employees take part in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the intense climate has compelled them to modify some of their plans, with some outdoor rallies moved indoors or called off.
Comparable winds are also sweeping Australia, causing a high-temperature event to the country's outback.
Authorities have announced burning restrictions for concern about bushfires.
