Intense gales attaining speeds of approximately 155km/h (96mph) have caused approximately 90,000 properties experiencing outages and forced agencies to halt over 100 flights, based on local media.
The winds are impacting the complete southern region and southern parts of the North Island, per the country's meteorological service.
Officials in New Zealand have issued infrequent severe gust advisories - the highest alert level - in central regions including Canterbury and Wellington.
Residents have been urged to remain inside, refrain from journeys, and get ready for more utility disruptions.
Widespread Destruction and Crisis Response
The electricity loss is primarily influencing residences mainly in the southern region, though authorities say that the electricity supply was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, while utility poles and vegetation have been brought down by the winds.
Within the capital, a man was killed after being struck by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was swept into moving cars on a road by a intensive burst, in a event that was filmed in a viral dashcam video.
Aircraft services entering and leaving the city have been cancelled because of the weather, while various routes and public facilities are not operating.
Meanwhile local leaders have declared a crisis declaration, to support recovery activities.
Strike Action Alongside Harsh Weather
The powerful gales on Thursday come as many of school staff, physicians and civil servants are participating in what has been termed a "major walkout", calling for improved salaries and workplace environments.
But the extreme weather has compelled them to modify certain arrangements, with several external protests shifted to interior venues or cancelled.
Similar gusts are impacting the nearby nation, causing a heatwave to the nation's interior regions.
Agencies have declared flame prohibitions for apprehension regarding wildfires.
