Intense winds reaching velocities of approximately 155km/h (96mph) have resulted in around 90,000 households without power and forced authorities to halt more than 100 air travel services, as reported by regional news sources.
The gales are influencing the entire South Island and southern sections of the northern region, per the national weather agency.
New Zealand authorities have issued uncommon red wind warnings - the most severe warning - in core zones including Wellington and Canterbury.
Residents have been encouraged to avoid going outside, refrain from journeys, and prepare for additional power and communication outages.
Extensive Impact and Emergency Measures
The electricity loss appears to be affecting homes predominantly in the southern region, although officials say that the electricity supply was being restored progressively.
Domestic outlets have reported that in some places structures have suffered roof damage, and trees and electricity poles have been toppled by the winds.
Within the capital, a man was fatally injured after being struck by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Flights in and out of the metropolis have been halted as a result of the weather, whereas certain highways and community centers are also closed.
At the same time local leaders have declared a crisis declaration, to facilitate disaster response efforts.
Strike Action Amid Harsh Weather
The powerful gales on Thursday occur while many of teachers, doctors and other public workers take part in what has been called a "mega strike", requesting better pay and working conditions.
But the severe conditions has forced them to modify some of their plans, with various open-air gatherings moved indoors or abandoned.
Like conditions are also sweeping Australia, ushering in a high-temperature event to the country's outback.
Authorities have announced burning restrictions for fear of forest fires.
