Powerful winds attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 homes without power and compelled agencies to cancel more than 100 flights, as reported by regional news sources.
These gusts are affecting the whole South Island and southern sections of the North Island, per the weather forecasting body.
The nation's agencies have announced rare severe gust advisories - the highest alert level - in key areas encompassing Canterbury and Wellington.
People have been advised to avoid going outside, stay off roads, and make arrangements for further electricity and network failures.
Broad Damage and Crisis Response
The power cut appears to be affecting residences mainly in the South Island, while officials say that the electricity supply was being restored progressively.
Local media have stated that in certain areas homes have lost their roofs, while utility poles and vegetation have been knocked down by the winds.
Across Wellington, a man was killed after being hit by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was swept into approaching vehicles on a street by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Air travel in and out of the urban area have been suspended due to the weather, while certain highways and community centers are not operating.
At the same time Canterbury officials have announced a emergency situation, to support recovery activities.
Labor Protests During Extreme Weather
The powerful gales on this day come as many of educators, medical professionals and government employees take part in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
Yet the intense climate has pressured them to modify some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Comparable winds are impacting Australia, causing a period of extreme heat to the remote areas.
Officials have issued flame prohibitions for concern about forest fires.
