Severe gusts reaching speeds of approximately 155km/h (96mph) have caused around 90,000 properties lacking electricity and compelled agencies to call off over 100 aircraft departures, based on local media.
The gales are affecting the complete southern region and lower areas of the northern region, per the national weather agency.
New Zealand authorities have released infrequent severe gust advisories - the top caution category - in key areas encompassing Wellington and Canterbury.
Locals have been urged to avoid going outside, avoid travel, and make arrangements for further utility disruptions.
Broad Impact and Crisis Measures
This outage seems to be impacting homes mainly in the South Island, while agencies state that energy was being restored progressively.
Domestic outlets have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been toppled by the gusts.
Within the capital, a man was lost his life after being hit by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Aircraft services to and from the urban area have been halted because of the gusts, whereas various routes and public facilities are also closed.
Simultaneously local leaders have declared a state of emergency, to support disaster response efforts.
Labor Protests During Harsh Conditions
The wild winds on Thursday coincide with many of teachers, doctors and other public workers take part in what has been described as a "mega strike", demanding better pay and working conditions.
However the severe conditions has pressured them to modify certain arrangements, with several external protests relocated inside or called off.
Similar gusts are affecting the nearby nation, ushering in a heatwave to the nation's interior regions.
Agencies have declared flame prohibitions for fear of wildfires.
