Powerful gales attaining speeds of as high as 155km/h (96mph) have caused approximately 90,000 homes without power and forced officials to cancel more than 100 air travel services, as reported by regional news sources.
These gusts are affecting the whole South Island and lower areas of the North Island, as stated by the national weather agency.
The nation's agencies have issued infrequent severe gust advisories - the most severe warning - in key areas encompassing these major districts.
Locals have been advised to avoid going outside, stay off roads, and get ready for additional electricity and network failures.
Broad Impact and Emergency Measures
The power cut is primarily influencing homes mostly in the southern region, though authorities report that energy was being gradually reinstated.
Local media have indicated that in certain areas roofs have been ripped off houses, whereas power lines and trees have been knocked down by the winds.
Across Wellington, a man was killed after being hit by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was swept into approaching vehicles on a street by a powerful blast, in a incident that was captured in a popular vehicle recording.
Air travel to and from the city have been halted because of the gusts, while some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a crisis declaration, to assist recovery activities.
Strike Action Alongside Severe Weather
The powerful gales on today come as tens of thousands of educators, medical professionals and government employees take part in what has been called a "mega strike", calling for improved salaries and workplace environments.
Yet the severe conditions has pressured them to change some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are also sweeping the neighboring country, ushering in a high-temperature event to the remote areas.
Agencies have declared flame prohibitions for concern about wildfires.
