Powerful gales attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and compelled agencies to halt more than 100 air travel services, according to local media.
The gales are impacting the complete South Island and southern sections of the North Island, per the country's meteorological service.
Officials in New Zealand have issued infrequent high-level wind alerts - the highest alert level - in central regions encompassing these major districts.
People have been urged to remain inside, stay off roads, and get ready for more power and communication outages.
Extensive Damage and Crisis Measures
The electricity loss seems to be impacting households mainly in the southern region, while agencies report that power was being restored progressively.
Local media have reported that in some places homes have lost their roofs, whereas utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a man was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a road by a intensive burst, in a incident that was recorded in a widely shared car camera footage.
Air travel in and out of the city have been suspended because of the weather, whereas some roads and libraries are shut down.
At the same time authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Strike Action Alongside Severe Conditions
The powerful gales on Thursday occur while numerous of educators, medical professionals and government employees take part in what has been termed a "significant labor action", requesting better pay and working conditions.
But the severe conditions has forced them to alter certain arrangements, with several external protests shifted to interior venues or abandoned.
Similar gusts are impacting the neighboring country, ushering in a heatwave to the nation's interior regions.
Agencies have announced fire bans for concern about wildfires.
