Powerful winds hitting velocities of up to 155km/h (96mph) have caused around 90,000 properties without power and compelled agencies to halt in excess of 100 flights, based on local media.
The winds are impacting the whole South Island and lower areas of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have released uncommon high-level wind alerts - the highest alert level - in key areas encompassing Canterbury and Wellington.
People have been advised to avoid going outside, stay off roads, and get ready for further electricity and network failures.
Broad Destruction and Crisis Measures
The electricity loss is primarily influencing residences predominantly in the South Island, though authorities state that energy was being slowly brought back.
Local media have reported that in certain areas homes have lost their roofs, while utility poles and vegetation have been brought down by the winds.
Within the capital, a man was fatally injured after being impacted by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a individual was swept into approaching vehicles on a street by a intensive burst, in a event that was captured in a widely shared car camera footage.
Flights in and out of the metropolis have been cancelled due to the gusts, whereas certain highways and community centers are also closed.
At the same time local leaders have announced a emergency situation, to facilitate emergency management operations.
Labor Protests Amid Severe Conditions
The powerful gales on today occur while many of school staff, physicians and civil servants are participating in what has been termed a "major walkout", calling for improved salaries and workplace environments.
However the severe conditions has pressured them to modify some of their plans, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are affecting the neighboring country, causing a high-temperature event to the remote areas.
Authorities have announced flame prohibitions for fear of wildfires.