Intense winds attaining velocities of up to 155km/h (96mph) have left nearly 90,000 homes lacking electricity and led authorities to call off in excess of 100 air travel services, based on regional news sources.
The gales are impacting the entire South Island and southern parts of the northern region, per the national weather agency.
Officials in New Zealand have released rare red wind warnings - the most severe warning - in central regions encompassing Wellington and Canterbury.
Locals have been advised to stay indoors, refrain from journeys, and get ready for more utility disruptions.
Widespread Damage and Crisis Measures
The electricity loss is primarily influencing residences predominantly in the South Island, while agencies state that energy was being restored progressively.
Regional news have reported that in various locations homes have lost their roofs, whereas utility poles and vegetation have been brought down by the winds.
Across Wellington, a individual was killed after being hit by a falling limb at a frequent walking route on earlier this week.
Also in the capital, a individual was blown onto moving cars on a street by a intensive burst, in a event that was filmed in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended due to the gusts, and various routes and public facilities are also closed.
Simultaneously local leaders have announced a state of emergency, to support disaster response efforts.
Strike Action Amid Harsh Conditions
The wild winds on Thursday occur while many of educators, medical professionals and government employees are engaged in what has been described as a "significant labor action", demanding better pay and working conditions.
But the extreme weather has pressured them to modify certain arrangements, with several external protests shifted to interior venues or abandoned.
Comparable winds are also sweeping the nearby nation, causing a period of extreme heat to the remote areas.
Authorities have announced fire bans for fear of forest fires.