2020 Floods
Significant heavy rain for the west and south of the South Island, and west to northwest gales in parts of southern New Zealand
A series of fronts are forecast to move east across the South Island from Sunday night through to Tuesday afternoon, bringing periods of heavy rain to the west and south of the South Island, and strong west to northwest winds to parts of southern New Zealand.
A Heavy Rain Warning is in force for Fiordland, Westland and the headwaters of Otago Lakes and Rivers. The Heavy Rain Watch for Southland and Clutha has now been upgraded to an Orange Warning, while a Heavy Rain Watch remains in force for Central Otago, parts of Southern Lakes not under warning and the headwaters of Canterbury Lakes and Rivers.
Heavy Rain Warning
Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous.
Area: Fiordland
Valid: 39 hours from 7:00pm Sunday to 10:00am Tuesday
Forecast: Periods of heavy rain. Expect a further 250 to 450mm of rain to accumulate north of Doubtful Sound and 150 to 250mm further south on top of what has already fallen. Peak rates of 15 to 25mm/h in general, but 25 to 40mm/h in thunderstorms.
Area: Clutha and Southland
Valid: 39 hours from 2:00am Monday to 5:00pm Tuesday
Forecast: Periods of heavy rain. Expect 100 to 160mm to accumulate, with the largest amounts likely inland west of Gore. Peak rates of 15 to 25mm/h.
Changes: Upgraded to an Orange Warning.
Source: metservice.com pdate for severe weather will be issued by 10:00am Monday 3 Feb 2020.
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