Cyclone Cook developed into a category 1 tropical cyclone on 8 April around Vanuatu. After Cook was named, the cyclone steadily intensified further and developed a 30 km eye as it moved south-westwards towards New Caledonia. Fiji Met Service subsequently reported during April 9, that the system had become a Category 3 severe tropical cyclone, with peak 1-minute sustained winds of 165 km/h. Cook subsequently made landfall on the Grande Terre Island of New Caledonia on April 10 where it started weaken. Cook continued to weaken and started to transition into an extratropical cyclone subsequently rounded the western edge of the subtropical ridge and started to move southwards towards New Zealand.

 

Extratropical Cyclone Cook affected parts of the Upper North Island with heavy rain and severe gales on late 12 April into 13 April. The Coromandel, central and eastern North Island were worst affected with slips and downed trees closed SH25 (Thames Coast Rd) between Thames and Coromandel.