The North Island has experienced 11,323 lightning strikes today and the intense thunderstorm isn't over yet.
Thunderstorms and hail have hit the Eastern Bay of Plenty, causing power outages and small fires.
The weather system is moving north and Hamilton is now experiencing hail, heavy rain and thunder.
At 07:52 pm, MetService weather radar detected severe thunderstorms near Hamilton, Ngaruawahia, Gordonton, Whitikahu and Eureka. These thunderstorms are expected to be accompanied by very heavy rain and damaging wind gusts and MetService warned residents in Waikato, Matamata and Hamilton City to be prepared for the storm.