Intense winds reaching speeds of up to 155km/h (96mph) have resulted in around 90,000 homes experiencing outages and compelled authorities to halt more than 100 air travel services, according to local media.
The winds are impacting the entire South Island and southern parts of the North Island, per the weather forecasting body.
Officials in New Zealand have released infrequent severe gust advisories - the highest alert level - in key areas such as Canterbury and Wellington.
Residents have been advised to avoid going outside, avoid travel, and make arrangements for further utility disruptions.
Widespread Destruction and Crisis Response
The power cut seems to be impacting residences mostly in the southern region, though officials say that energy was being restored progressively.
Local media have stated that in various locations homes have lost their roofs, while utility poles and vegetation have been toppled by the gales.
Across Wellington, a individual was fatally injured after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a female was swept into oncoming traffic on a thoroughfare by a intensive burst, in a incident that was recorded in a popular vehicle recording.
Flights in and out of the metropolis have been cancelled due to the gusts, and some roads and libraries are not operating.
Meanwhile authorities in Canterbury have announced a crisis declaration, to support recovery activities.
Strike Action Alongside Extreme Weather
These intense gusts on this day come as numerous of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", demanding better pay and working conditions.
However the intense climate has forced them to alter certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Like conditions are affecting Australia, ushering in a heatwave to the country's outback.
Officials have announced flame prohibitions for apprehension regarding wildfires.
