Thunderstorms, “localized tornado risk” for the top of the North Island


Thunderstorms could be in store for Northland, Auckland, Great Barrier Island and the Coromandel Peninsula on Sunday and into the early hours of Monday morning.

MetService says there is a moderate risk of thunderstorms embedded in rain extending south over all three areas.

“These storms are expected to bring heavy rain with intensities of 15 to 25 mm/h, and strong winds with gusts of 80 to 100 km/h.

“In addition, some of these thunderstorms could become SEVERE, producing localized downpours of 25-40 mm/h, as well as localized torrential rains with intensities greater than 40 mm/h. There is also a risk of a localized tornado.”

MetService warns of potential flash flooding and dangerous driving conditions.

Meanwhile, heavy rain and strong winds are expected to batter parts of northern and central New Zealand on Monday, thanks to a slow-moving low pressure system.

Waikato and Waitomo could experience periods of heavy rain and thunderstorms through Monday evening. This warning from MetService excludes the Coromandel Peninsula.

Gisborne north of Tologa Bay could also see very heavy rain tomorrow and possibly Tuesday.

Similar rain warnings were also issued for Taumaranui, Taupo and Taranaki.

In the South Island, periods of heavy rain are expected early from Monday morning in Tasman west of Motueka and on the coast and Kaikoura Ranges.

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