Intense gusts reaching velocities of approximately 155km/h (96mph) have caused nearly 90,000 households lacking electricity and compelled authorities to call off more than 100 aircraft departures, based on domestic outlets.
The winds are affecting the complete southern region and southern sections of the northern region, according to the country's meteorological service.
New Zealand authorities have released rare severe gust advisories - the highest alert level - in central regions encompassing Canterbury and Wellington.
Residents have been advised to avoid going outside, stay off roads, and prepare for more electricity and network failures.
Broad Impact and Crisis Measures
The electricity loss seems to be impacting households mostly in the South Island, though officials state that power was being restored progressively.
Regional news have stated that in some places homes have lost their roofs, while utility poles and vegetation have been toppled by the gusts.
Within the capital, a individual was fatally injured after being struck by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was pushed toward moving cars on a road by a powerful blast, in a incident that was captured in a widely shared car camera footage.
Flights entering and leaving the urban area have been cancelled because of the gusts, while some roads and libraries are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to support emergency management operations.
Labor Protests Amid Harsh Conditions
The wild winds on Thursday coincide with tens of thousands of educators, medical professionals and government employees take part in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to alter various scheduled activities, with several external protests relocated inside or cancelled.
Similar gusts are affecting Australia, ushering in a high-temperature event to the country's outback.
Authorities have declared flame prohibitions for fear of forest fires.
