Intense winds attaining speeds of up to 155km/h (96mph) have left around 90,000 households without power and forced authorities to halt in excess of 100 flights, based on domestic outlets.
The gales are affecting the entire southern region and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have announced uncommon severe gust advisories - the top caution category - in core zones including these major districts.
People have been urged to avoid going outside, refrain from journeys, and get ready for further power and communication outages.
Extensive Destruction and Crisis Response
This outage appears to be affecting residences predominantly in the southern region, although authorities state 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 toppled by the gusts.
Within the capital, a man was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a street by a strong gust of wind, in a event that was recorded in a widely shared car camera footage.
Flights entering and leaving the city have been halted as a result of the gusts, whereas various routes and public facilities are also closed.
At the same time authorities in Canterbury have issued a state of emergency, to support recovery activities.
Work Stoppages Alongside Extreme Conditions
The wild winds on today come as many of educators, medical professionals and government employees take part in what has been called a "significant labor action", calling for improved salaries and workplace environments.
But the severe conditions has forced them to modify certain arrangements, with several external protests relocated inside or cancelled.
Comparable winds are affecting the neighboring country, ushering in a period of extreme heat to the nation's interior regions.
Authorities have announced flame prohibitions for fear of forest fires.
