Intense winds attaining velocities of as high as 155km/h (96mph) have left around 90,000 households lacking electricity and compelled authorities to cancel over 100 flights, as reported by domestic outlets.
These gusts are affecting the entire South Island and southern parts of the North Island, as stated by the national weather agency.
New Zealand authorities have released infrequent high-level wind alerts - the top caution category - in central regions including these major districts.
Locals have been advised to avoid going outside, refrain from journeys, and make arrangements for additional electricity and network failures.
Broad Impact and Crisis Measures
The power cut is primarily influencing households mainly in the southern region, while authorities state that the electricity supply was being gradually reinstated.
Regional news have indicated that in certain areas homes have lost their roofs, while power lines and trees have been toppled by the gusts.
In Wellington, a person was killed after being impacted by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a female was pushed toward moving cars on a road by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Aircraft services to and from the metropolis have been suspended as a result of the gusts, and various routes and public facilities are not operating.
At the same time Canterbury officials have declared a state of emergency, to support disaster response efforts.
Strike Action Amid Severe Weather
The wild winds on Thursday come as tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "major walkout", requesting higher wages and enhanced employment terms.
But the severe conditions has compelled them to modify some of their plans, with some outdoor rallies relocated inside or abandoned.
Similar gusts are impacting Australia, ushering in a period of extreme heat to the remote areas.
Authorities have declared burning restrictions for apprehension regarding wildfires.
