Powerful gusts attaining speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 properties lacking electricity and compelled officials to call off in excess of 100 air travel services, based on local media.
The winds are affecting the whole southern region and southern sections of the North Island, per the weather forecasting body.
New Zealand authorities have released rare red wind warnings - the top caution category - in key areas including Wellington and Canterbury.
Residents have been encouraged to avoid going outside, avoid travel, and get ready for additional power and communication outages.
Widespread Impact and Crisis Measures
The power cut is primarily influencing residences mostly in the South Island, though officials report that the electricity supply was being slowly brought back.
Local media have reported that in certain areas roofs have been ripped off houses, while utility poles and vegetation have been brought down by the gusts.
Within the capital, a man was killed after being struck by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a female was pushed toward oncoming traffic on a road by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Aircraft services entering and leaving the city have been halted due to the gusts, while certain highways and community centers are not operating.
Meanwhile local leaders have announced a crisis declaration, to facilitate disaster response efforts.
Strike Action During Harsh Conditions
The wild winds on Thursday occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "major walkout", calling for improved salaries and workplace environments.
However the intense climate has compelled them to alter various scheduled activities, with several external protests moved indoors or abandoned.
Comparable winds are also sweeping Australia, ushering in a high-temperature event to the country's outback.
Agencies have issued flame prohibitions for concern about wildfires.
