North Island braces for heavy rain as subtropical low arrives

By 1news.co.nz and is republished with permission

The North Island is set for a wet start to the week as a subtropical low and associated front are expected to bring heavy rain for many.

“Low pressure will mean rain for much of the North Island through at least Tuesday,” NIWA Weather posted to X.

“For some, the rain will be quite heavy, especially over the eastern half of the island.

“While the rain is much needed, too much rain over a short time may result in localised flooding.”

MetService has issued a number of severe weather watches in response, as well as a warning for Hawke’s Bay.

“A subtropical low and associated front is forecast to bring rain to northern and eastern parts of the North Island from today.

“There is still some uncertainty about the development of this low.

“Please stay up to date with the forecasts, as further changes are likely to be made,” the agency said.

The outlook

An orange heavy rain warning is in place for Hawke’s Bay from 6am tomorrow to 6pm Wednesday, with surface flooding and slips “possible” and drivers warned to take care.

“Expect 120 to 160 mm of rain, the biggest accumulation likely south of SH5. Peak rates of 15 to 25 mm/h expected Tuesday morning and afternoon. Please note that further rain is expected through Thursday and Friday, and this warning may be extended.”

Heavy rain watches were in place for Northland from midday today to 1am tomorrow, Auckland including Great Barrier Island from 9pm tonight to 6am tomorrow, Coromandel Peninsula from 10pm tonight to 9am tomorrow and Bay of Plenty west of Kawerau and Rotorua from midnight tonight to midday tomorrow.

Heavy rain watches were also in place for Tairāwhiti / Gisborne from 4am tomorrow to 6pm Wednesday and Wairarapa and Tararua District from midday tomorrow to 9am Wednesday.

Thunderstorms were possible in places, MetService said.

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