Intense winds reaching velocities of up to 155km/h (96mph) have caused around 90,000 homes lacking electricity and compelled officials to halt over 100 flights, according to domestic outlets.
The gales are impacting the entire southern region and lower areas of the northern region, as stated by the national weather agency.
Officials in New Zealand have announced infrequent red wind warnings - the most severe warning - in central regions such as Canterbury and Wellington.
People have been urged to remain inside, stay off roads, and make arrangements for more utility disruptions.
Widespread Destruction and Emergency Response
The power cut seems to be impacting households mostly in the South Island, while agencies state that energy was being slowly brought back.
Domestic outlets have stated that in some places homes have lost their roofs, and power lines and trees have been toppled by the gales.
In Wellington, a man was fatally injured after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto oncoming traffic on a road by a strong gust of wind, in a incident that was filmed in a popular vehicle recording.
Air travel entering and leaving the urban area have been suspended as a result of the weather, whereas various routes and public facilities are shut down.
At the same time Canterbury officials have issued a state of emergency, to support disaster response efforts.
Labor Protests Amid Severe Conditions
The powerful gales on Thursday coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been called a "major walkout", requesting improved salaries and workplace environments.
However the severe conditions has pressured them to change certain arrangements, with some outdoor rallies moved indoors or abandoned.
Comparable winds are impacting the neighboring country, ushering in a high-temperature event to the country's outback.
Authorities have announced fire bans for fear of forest fires.
