Powerful gusts attaining speeds of up to 155km/h (96mph) have left approximately 90,000 properties without power and forced authorities to halt in excess of 100 aircraft departures, according to domestic outlets.
The gales are impacting the complete South Island and southern sections of the North Island, according to the weather forecasting body.
New Zealand authorities have issued uncommon high-level wind alerts - the top caution category - in key areas including Wellington and Canterbury.
People have been advised to avoid going outside, stay off roads, and make arrangements for more utility disruptions.
Extensive Damage and Crisis Response
The power cut appears to be affecting households mostly in the South Island, while officials state that the electricity supply was being restored progressively.
Local media have stated that in some places structures have suffered roof damage, and utility poles and vegetation have been knocked down by the gales.
In Wellington, a individual was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was blown onto moving cars on a road by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Aircraft services in and out of the urban area have been cancelled due to the gusts, while various routes and public facilities are also closed.
Simultaneously local leaders have issued a state of emergency, to support emergency management operations.
Strike Action During Severe Weather
These intense gusts on this day come as numerous of school staff, physicians and civil servants take part in what has been described as a "significant labor action", calling for improved salaries and workplace environments.
However the severe conditions has pressured them to change certain arrangements, with various open-air gatherings relocated inside or abandoned.
Similar gusts are also sweeping the nearby nation, bringing a period of extreme heat to the country's outback.
Authorities have declared fire bans for fear of wildfires.
