Metservice Weather Warnings
Warnings and Watches for heavy rain and severe gales are in force.
Significant impacts are expected and there is a possibility that some Orange Warnings may be upgraded to Red Warnings.
Please stay up to date with forecasts.
Heavy Rain Warning - Orange
Area: The headwaters of the Canterbury lakes and rivers
Period: 16hrs from 1am - 5pm Thu, 23 Oct
Forecast: Expect 200 to 250 mm of rain about the main divide, and 80 to 160 mm within 40 km farther east.
Peak rates of 30 to 40 mm/h expected about the divide Thursday morning.
Thunderstorms possible.
Snow level about 2600 metres.
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: The ranges of Westland
Period: 17hrs from midnight Wed, 22 Oct - 5pm Thu, 23 Oct
Forecast: Expect 200 to 250 mm of rain.
Peak rates of 30 to 40 mm/h Thursday morning.
Thunderstorms possible.
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: The headwaters of the Otago lakes and rivers
Period: 14hrs from midnight Wed, 22 Oct - 2pm Thu, 23 Oct
Forecast: Expect 180 to 220 mm of rain about the main divide, and to 70 to 150 mm within 40 km farther east.
Peak rates of 30 to 40 mm/h expected about the divide Thursday morning.
Thunderstorms possible.
Snow level about 2500 metres.
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: Fiordland
Period: 14hrs from 11pm Wed, 22 Oct - 1pm Thu, 23 Oct
Forecast: Expect 150 to 200 mm of rain, with the largest amounts likely in the north.
Peak rates of 20 to 30 mm/h.
Thunderstorms 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.
Strong Wind Warning - Orange
Area: Marlborough
Period: 10hrs from 6am - 4pm Thu, 23 Oct
Forecast: Severe gale northwesterlies gusting 130 km/h in exposed places.
Moderate chance of upgrading to a Red Warning.
Impact: Damage to trees, powerlines, and unsecured structures possible.
Driving may be difficult, especially for high-sided vehicles and motorcycles.
Action: Prepare your property by securing items that can be picked up by strong winds.
Drive cautiously.
Preparedness advice.
Area: Canterbury High Country
Period: 16hrs from 1am - 5pm Thu, 23 Oct
Forecast: Severe gale northwesterlies gusting 140 km/h in exposed places.
Moderate chance of upgrading to a Red Warning.
Impact: Damage to trees, powerlines, and unsecured structures possible.
Driving may be difficult, especially for high-sided vehicles and motorcycles.
Action: Prepare your property by securing items that can be picked up by strong winds.
Drive cautiously.
Preparedness advice.
Area: Christchurch and Canterbury Plains
Period: 9hrs from 8am - 5pm Thu, 23 Oct
Forecast: Severe gale northwesterlies gusting 130 km/h in exposed places.
Moderate chance of upgrading to a Red Warning.
Impact: Damage to trees, powerlines, and unsecured structures possible.
Driving may be difficult, especially for high-sided vehicles and motorcycles.
Action: Prepare your property by securing items that can be picked up by strong winds.
Drive cautiously.
Preparedness advice.
Area: Wellington and Wairarapa
Period: 10hrs from 8am - 6pm Thu, 23 Oct
Forecast: Severe gale northwesterlies gusting 140 km/h in exposed places.
Moderate chance of upgrading to a Red Warning.
Impact: Damage to trees, powerlines, and unsecured structures possible.
Driving may be difficult, especially for high-sided vehicles and motorcycles.
Action: Prepare your property by securing items that can be picked up by strong winds.
Drive cautiously.
Preparedness advice.
Issued: 8:59pm Tue, 21 Oct
Next update: 10am Wed, 22 Oct
Action advice supplied by the National Emergency Management Agency.