Bad weather: the latest warnings

Significant heavy rain and strong north to northeast winds expected from late Monday into Wednesday morning. for all up to date warnings: Weather Warnings & Watches | MetService

A front moving east across the country is expected to bring heavy rain and strong north to northeast winds to several places. People are advised to keep up to date with the latest Warnings and Watches and check for additions and upgrades.

• Area: Auckland, including Great Barrier Island
• Period: 18hrs from 4am – 10pm Tue, 29 Jul
• Forecast: Expect 90 to 130 mm of rain. Peaks rates of 15 to 25 mm/h, but 25 to 40 mm/h possible in localised downpours during Tuesday afternoon and evening. Low chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Coromandel Peninsula

• Period: 22hrs from 7am Tue, 29 Jul – 5am Wed, 30 Jul
• Forecast: Expect 90 to 150 mm of rain, peak rates of 15 to 25 mm/h, but possibly 25 to 40 mm/h in localised downpours from Tuesday afternoon. Low chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Bay of Plenty

• Period: 22hrs from 10am Tue, 29 Jul – 8am Wed, 30 Jul
• Forecast: Expect 150 to 200 mm of rain, peak rates of 15 to 25 mm/h, but 25 to 40mm/h possible in localised downpours Tuesday evening until Wednesday morning. Moderate chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Central North Island mountains

• Period: 16hrs from noon Tue, 29 Jul – 4am Wed, 30 Jul
• Forecast: Expect 80 to 120 mm of rain. Peak rates of 10 to 20 mm/h expected Tuesday evening and Wednesday morning. Low chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Taranaki Maunga

• Period: 17hrs from 7am – midnight Tue, 29 Jul
• Forecast: Expect 150 to 180 mm of rain. Intensities may reach 20 to 30 mm per hour. Minimal chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Tasman from Motueka westwards

• Period: 16hrs from 2am – 6pm Tue, 29 Jul
• Forecast: Expect 130 to 180 mm in a strong northerly flow. Rainfall intensities may reach 15 to 20 mm per hour, especially from mid-morning until early afternoon. Moderate chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Nelson City District and Marlborough west of Havelock and north of the Wairau River

• Period: 16hrs from 5am – 9pm Tue, 29 Jul
• Forecast: Expect 70 to 100 mm of rain, especially in the ranges. Rainfall intensities of 15 mm per hour are possible, especially during the afternoon. Moderate chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

Area: Tasman east and south of Motueka, excluding Nelson City District

• Period: 16hrs from 5am – 9pm Tue, 29 Jul
• Forecast: Expect 100 to 130 mm of rain in a strong northerly flow, particularly about the Gordon and Richmond Range, and 70 to 90 mm elsewhere. Rainfall intensities of 15 mm per hour are possible, especially during the afternoon. High chance of upgrading to a Red Warning.
• Impact: Dangerous river conditions, flooding, and slips likely. Dangerous driving conditions and road closures are expected.
• Action: Do not enter floodwaters and avoid unnecessary travel. Be ready for communication and power outages. Be prepared to self-evacuate if you see rising water. Preparedness advice.

Area: The ranges of Westland District

• Period: 17hrs from 1am – 6pm Tue, 29 Jul
• Forecast: Expect 130 to 180 mm of rain. Rainfall intensities of 20 to 25 mm per hour are possible. Minimal chance of upgrading to a Red Warning.
• Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible.
• Action: Clear your drains and gutters to prepare for heavy rain. Avoid low-lying areas and drive cautiously. Preparedness advice.

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