Severe gales hitting velocities of up to 155km/h (96mph) have caused around 90,000 households lacking electricity and led officials to cancel over 100 air travel services, as reported by domestic outlets.
These gusts are affecting the whole South Island and lower areas of the northern region, per the national weather agency.
Officials in New Zealand have issued rare high-level wind alerts - the highest alert level - in key areas such as these major districts.
Residents have been urged to remain inside, stay off roads, and get ready for further utility disruptions.
Extensive Damage and Emergency Response
The power cut appears to be affecting homes mostly in the southern region, while officials report that the electricity supply was being gradually reinstated.
Regional news have stated that in some places roofs have been ripped off houses, while power lines and trees have been brought down by the gales.
Within the capital, a person was killed after being hit by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a road by a powerful blast, in a incident that was filmed in a viral dashcam video.
Aircraft services to and from the city have been halted due to the gusts, whereas some roads and libraries are also closed.
Simultaneously Canterbury officials have declared a crisis declaration, to assist emergency management operations.
Strike Action During Extreme Conditions
The powerful gales on this day come as many of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
However the intense climate has forced them to alter some of their plans, with some outdoor rallies relocated inside or called off.
Similar gusts are affecting the nearby nation, causing a high-temperature event to the nation's interior regions.
Agencies have declared flame prohibitions for concern about bushfires.
