Intense winds attaining velocities of approximately 155km/h (96mph) have left approximately 90,000 households experiencing outages and led agencies to call off in excess of 100 air travel services, according to regional news sources.
The gales are influencing the whole southern region and lower areas of the northern region, per the national weather agency.
New Zealand authorities have announced rare high-level wind alerts - the top caution category - in key areas encompassing Canterbury and Wellington.
Residents have been advised to avoid going outside, refrain from journeys, and prepare for additional electricity and network failures.
Broad Damage and Emergency Response
The power cut appears to be affecting households mainly in the southern region, though officials state that power was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the winds.
Within the capital, a person was lost his life after being hit by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a woman was swept into moving cars on a road by a powerful blast, in a moment that was recorded in a widely shared car camera footage.
Flights to and from the city have been suspended as a result of the weather, while certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have announced a emergency situation, to support emergency management operations.
Work Stoppages Alongside Harsh Weather
The powerful gales on Thursday come as tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
However the extreme weather has pressured them to change various scheduled activities, with several external protests shifted to interior venues or called off.
Comparable winds are also sweeping the neighboring country, bringing a high-temperature event to the nation's interior regions.
Officials have issued burning restrictions for fear of wildfires.