Intense gales reaching velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and led officials to halt over 100 aircraft departures, according to domestic outlets.
These gusts are affecting the complete South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have released infrequent severe gust advisories - the top caution category - in key areas such as Wellington and Canterbury.
Locals have been encouraged to stay indoors, avoid travel, and prepare for additional utility disruptions.
Extensive Damage and Crisis Measures
The power cut is primarily influencing households predominantly in the southern region, although agencies say that the electricity supply was being slowly brought back.
Regional news have stated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the winds.
Across Wellington, a person was killed after being hit by a tree branch at a frequent walking route on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a street by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Aircraft services to and from the city have been halted because of the gusts, whereas certain highways and community centers are shut down.
Meanwhile Canterbury officials have issued a state of emergency, to assist recovery activities.
Strike Action During Harsh Weather
The powerful gales on Thursday come as numerous of school staff, physicians and civil servants are engaged in what has been described as a "mega strike", requesting better pay and working conditions.
However the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Comparable winds are also sweeping Australia, causing a period of extreme heat to the country's outback.
Officials have declared fire bans for concern about bushfires.
