Intense gales hitting speeds of approximately 155km/h (96mph) have left around 90,000 households without power and forced officials to call off in excess of 100 flights, based on local media.
These gusts are influencing the entire southern region and southern parts of the northern region, as stated by the national weather agency.
Officials in New Zealand have issued infrequent severe gust advisories - the highest alert level - in core zones such as these major districts.
Residents have been urged to remain inside, refrain from journeys, and make arrangements for further power and communication outages.
Widespread Damage and Crisis Measures
This outage seems to be impacting homes mainly in the South Island, although officials say that the electricity supply was being gradually reinstated.
Local media have stated that in various locations roofs have been ripped off houses, whereas power lines and trees have been knocked down by the winds.
Across Wellington, a person was fatally injured after being impacted by a falling limb at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a street by a strong gust of wind, in a incident that was filmed in a widely shared car camera footage.
Flights in and out of the urban area have been cancelled due to the weather, and various routes and public facilities are not operating.
Meanwhile local leaders have issued a crisis declaration, to support emergency management operations.
Strike Action Amid Extreme Conditions
The powerful gales on Thursday coincide with many of teachers, doctors and other public workers are engaged in what has been called a "mega strike", requesting better pay and working conditions.
However the intense climate has compelled them to change various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are impacting the nearby nation, bringing a heatwave to the remote areas.
Authorities have issued flame prohibitions for concern about wildfires.
