Severe gales reaching velocities of up to 155km/h (96mph) have caused around 90,000 homes without power and compelled authorities to halt in excess of 100 aircraft departures, as reported by regional news sources.
The winds are influencing the complete South Island and southern parts of the North Island, per the weather forecasting body.
New Zealand authorities have released uncommon severe gust advisories - the top caution category - in key areas including Canterbury and Wellington.
People have been advised to stay indoors, refrain from journeys, and prepare for additional utility disruptions.
Extensive Damage and Crisis Measures
The electricity loss seems to be impacting households mostly in the South Island, while officials say that power was being gradually reinstated.
Domestic outlets have stated that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the gusts.
Across Wellington, a man was killed after being impacted by a wooden fragment at a frequent walking route on earlier this week.
Also in the capital, a individual was swept into oncoming traffic on a road by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Flights entering and leaving the urban area have been halted because of the weather, and some roads and libraries are also closed.
At the same time Canterbury officials have declared a emergency situation, to assist disaster response efforts.
Labor Protests During Extreme Weather
The powerful gales on Thursday come as many of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", demanding improved salaries and workplace environments.
Yet the severe conditions has pressured them to modify some of their plans, with several external protests relocated inside or abandoned.
Similar gusts are impacting Australia, bringing a heatwave to the nation's interior regions.
Authorities have declared fire bans for apprehension regarding forest fires.
