Intense winds reaching speeds of up to 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and led authorities to halt more than 100 aircraft departures, based on domestic outlets.
The winds are influencing the whole South Island and southern sections of the northern region, as stated by the weather forecasting body.
New Zealand authorities have released infrequent severe gust advisories - the most severe warning - in core zones encompassing Canterbury and Wellington.
Residents have been urged to avoid going outside, stay off roads, and make arrangements for more electricity and network failures.
Extensive Impact and Crisis Response
This outage seems to be impacting residences predominantly in the South Island, though officials report that energy was being gradually reinstated.
Local media have reported that in certain areas homes have lost their roofs, whereas trees and electricity poles have been brought down by the gales.
In Wellington, a man was fatally injured after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was pushed toward moving cars on a street by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Aircraft services entering and leaving the city have been halted as a result of the winds, whereas some roads and libraries are also closed.
Simultaneously Canterbury officials have announced a state of emergency, to facilitate emergency management operations.
Work Stoppages During Extreme Conditions
These intense gusts on today coincide with numerous of school staff, physicians and civil servants are participating in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
But the intense climate has compelled them to alter various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are impacting the nearby nation, ushering in a period of extreme heat to the remote areas.
Agencies have announced burning restrictions for apprehension regarding bushfires.