Powerful gales reaching speeds of approximately 155km/h (96mph) have left approximately 90,000 homes without power and led officials to cancel more than 100 flights, as reported by domestic outlets.
The winds are impacting the entire South Island and southern parts of the northern region, per the national weather agency.
New Zealand authorities have issued infrequent red wind warnings - the top caution category - in key areas including Canterbury and Wellington.
Residents have been urged to remain inside, stay off roads, and make arrangements for more electricity and network failures.
Broad Impact and Crisis Response
The electricity loss is primarily influencing homes mostly in the South Island, while agencies state that the electricity supply was being gradually reinstated.
Regional news have stated that in certain areas roofs have been ripped off houses, while utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a person was killed after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was pushed toward oncoming traffic on a road by a intensive burst, in a incident that was captured in a popular vehicle recording.
Aircraft services entering and leaving the metropolis have been suspended due to the winds, and certain highways and community centers are shut down.
Meanwhile authorities in Canterbury have announced a state of emergency, to facilitate emergency management operations.
Work Stoppages Amid Harsh Weather
The powerful gales on Thursday occur while many of educators, medical professionals and government employees are participating in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
But the severe conditions has forced them to modify various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Like conditions are impacting the nearby nation, causing a period of extreme heat to the nation's interior regions.
Agencies have declared fire bans for fear of wildfires.
