Severe gusts attaining speeds of up to 155km/h (96mph) have left approximately 90,000 households experiencing outages and compelled officials to halt more than 100 aircraft departures, as reported by regional news sources.
The winds are influencing the whole South Island and lower areas of the North Island, as stated by the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the most severe warning - in central regions such as Canterbury and Wellington.
People have been advised to avoid going outside, stay off roads, and prepare for more utility disruptions.
Broad Damage and Crisis Response
The power cut appears to be affecting residences predominantly in the South Island, although officials say that energy was being gradually reinstated.
Regional news have stated that in certain areas homes have lost their roofs, and utility poles and vegetation have been toppled by the gales.
Across Wellington, a individual was fatally injured after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a woman was blown onto oncoming traffic on a road by a strong gust of wind, in a event that was filmed in a popular vehicle recording.
Air travel in and out of the city have been halted because of the gusts, while certain highways and community centers are not operating.
At the same time authorities in Canterbury have issued a emergency situation, to facilitate emergency management operations.
Work Stoppages During Extreme Conditions
The powerful gales on this day occur while tens of thousands of educators, medical professionals and government employees are engaged in what has been described as a "mega strike", requesting better pay and working conditions.
Yet the severe conditions has compelled them to change various scheduled activities, with some outdoor rallies relocated inside or abandoned.
Similar gusts are impacting Australia, ushering in a high-temperature event to the nation's interior regions.
Agencies have declared fire bans for concern about forest fires.
