Powerful gusts attaining velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 properties without power and led officials to halt in excess of 100 flights, as reported by local media.
The winds are impacting the entire southern region and southern parts of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have announced infrequent severe gust advisories - the top caution category - in central regions such as Canterbury and Wellington.
People have been encouraged to remain inside, refrain from journeys, and prepare for further utility disruptions.
Broad Destruction and Emergency Measures
The electricity loss is primarily influencing homes mostly in the South Island, while agencies state that energy was being gradually reinstated.
Local media have indicated that in certain areas structures have suffered roof damage, and utility poles and vegetation have been brought down by the winds.
Within the capital, a man was killed after being impacted by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a street by a strong gust of wind, in a incident that was recorded in a widely shared car camera footage.
Flights entering and leaving the city have been halted as a result of the gusts, whereas some roads and libraries are not operating.
Meanwhile local leaders have announced a state of emergency, to support recovery activities.
Strike Action During Extreme Conditions
The powerful gales on Thursday come as many of school staff, physicians and civil servants take part in what has been termed a "mega strike", demanding improved salaries and workplace environments.
Yet the severe conditions has compelled them to modify various scheduled activities, with some outdoor rallies shifted to interior venues or cancelled.
Similar gusts are impacting Australia, bringing a high-temperature event to the nation's interior regions.
Officials have announced fire bans for fear of forest fires.
