Intense winds attaining velocities of as high as 155km/h (96mph) have left approximately 90,000 households without power and led agencies to call off in excess of 100 aircraft departures, based on regional news sources.
The gales are affecting the entire southern region and southern sections of the North Island, according to the country's meteorological service.
Officials in New Zealand have issued uncommon severe gust advisories - the top caution category - in key areas including Wellington and Canterbury.
Residents have been encouraged to stay indoors, avoid travel, and prepare for further power and communication outages.
Widespread Impact and Crisis Response
This outage is primarily influencing residences mainly in the southern region, while agencies say that power was being gradually reinstated.
Local media have indicated that in various locations roofs have been ripped off houses, and power lines and trees have been knocked down by the gales.
Across Wellington, a individual was killed after being hit by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was swept into oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Flights to and from the city have been halted due to the gusts, whereas various routes and public facilities are shut down.
Simultaneously Canterbury officials have declared a crisis declaration, to facilitate emergency management operations.
Work Stoppages Alongside Extreme Weather
These intense gusts on this day occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been called a "significant labor action", requesting better pay and working conditions.
Yet the extreme weather has forced them to alter certain arrangements, with some outdoor rallies shifted to interior venues or abandoned.
Like conditions are impacting the nearby nation, causing a heatwave to the nation's interior regions.
Agencies have announced flame prohibitions for apprehension regarding bushfires.