Intense winds hitting speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 households lacking electricity and led authorities to halt more than 100 air travel services, according to local media.
The winds are affecting the whole southern region and southern parts of the northern region, according to the weather forecasting body.
New Zealand authorities have announced uncommon red wind warnings - the most severe warning - in central regions encompassing these major districts.
People have been encouraged to remain inside, stay off roads, and make arrangements for more utility disruptions.
Widespread Damage and Emergency Measures
The power cut is primarily influencing residences mainly in the southern region, while officials state that power was being gradually reinstated.
Local media have reported that in certain areas structures have suffered roof damage, while power lines and trees have been knocked down by the gusts.
Within the capital, a man was fatally injured after being impacted by a wooden fragment at a well-known hiking path on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a road by a powerful blast, in a moment that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the city have been cancelled due to the winds, while various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Strike Action During Extreme Weather
These intense gusts on today come as numerous of teachers, doctors and other public workers are participating in what has been called a "major walkout", requesting improved salaries and workplace environments.
However the intense climate has compelled them to modify some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Comparable winds are affecting the neighboring country, causing a high-temperature event to the remote areas.
Agencies have announced flame prohibitions for fear of bushfires.
