An active front, preceded by a very strong northwest flow, moves over the South Island during Monday and early Tuesday morning, then over the North Island later Tuesday. This front is forecast to bring a period of heavy rain to western and southern areas, and severe northwest gales to exposed places. Please keep up to date with forecasts.
Heavy Rain Warning - Orange
Area: Fiordland
Period: 19hrs from 2:00am Mon to 9:00pm Mon
Forecast: Expect 210 to 260 mm of rain. Peak rates of 25 to 35 mm/h expected Monday 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.
Strong Wind Warning - Orange
Area: Fiordland, Southland and Stewart Island
Period: 12hrs from 8:00am Mon to 8:00pm Mon
Forecast: Severe gale northwest winds gusting 120 km/h in exposed places.
Minimal 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.
Heavy Rain Watch - Yellow
Area: The Queenstown Lakes District away from the headwaters, also Southland and Stewart Island
Period: 10hrs from 1:00pm Mon to 11:00pm Mon
Forecast: Periods of heavy rain. Amounts may approach warning criteria, mainly about the ranges.
Note, rain spreading north during Monday afternoon, then easing from the south from evening.
Moderate chance of upgrading to a Warning.
