Powerful gusts hitting velocities of up to 155km/h (96mph) have caused approximately 90,000 properties without power and forced authorities to cancel in excess of 100 flights, as reported by regional news sources.
The gales are impacting the whole South Island and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have released rare severe gust advisories - the most severe warning - in central regions including these major districts.
Locals have been advised to remain inside, stay off roads, and prepare for more power and communication outages.
Broad Destruction and Emergency Response
The electricity loss appears to be affecting households predominantly in the southern region, though authorities report that power was being restored progressively.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, and power lines and trees have been knocked down by the winds.
In Wellington, a individual was killed after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward approaching vehicles on a street by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Aircraft services in and out of the city have been suspended because of the gusts, whereas certain highways and community centers are shut down.
At the same time authorities in Canterbury have declared a emergency situation, to facilitate emergency management operations.
Strike Action During Harsh Conditions
These intense gusts on Thursday occur while tens of thousands of educators, medical professionals and government employees take part in what has been termed a "mega strike", calling for improved salaries and workplace environments.
However the severe conditions has compelled them to change some of their plans, with various open-air gatherings moved indoors or called off.
Similar gusts are also sweeping Australia, bringing a heatwave to the remote areas.
Agencies have declared burning restrictions for fear of bushfires.
