Weather
20 Jan 2021 4:11
NZ Weather Forecasts
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    Home > Weather > Severe Weather

    NZ Severe Weather Warnings



    SEVERE WEATHER WARNING
    Issued by MetService at 8:58 pm Tuesday 19-Jan-2021
    Heavy rain and severe gales for parts of southern and central New Zealand
    An active cold front over the west of the North Island should continue to track
    northeast and away from New Zealand tonight (Tuesday) and during Wednesday
    morning. The front is preceded by strong and moist northwesterlies, then
    followed by an unstable west to southwest flow.
    Heavy Rain Warnings remain in force for Fiordland, Westland and the headwaters
    of the Canterbury lakes and rivers, while Heavy Rain Watches remain in force for
    coastal Southland, the headwaters of the Otago lakes and rivers, and Buller.
    Please note, the Heavy Rain Watches for northwest Nelson, the Tararua Range and
    Mount Taranaki are now lifted.
    In addition, Strong Wind Warnings remain in force for the Canterbury High
    Country and Wairarapa, while Strong Wind Watches remain in force for the Tararua
    District and Central Hawkes Bay. Please note, the Strong Wind Watch for
    Fiordland and western Southland has been lifted, but a new Strong Wind Watch is
    now in force for the possibility of severe gale southwesterlies in southern
    Fiordland, Southland, Clutha and Dunedin. Also note, the Strong Wind Warnings
    for Marlborough and Wellington are now lifted.
    People are advised to keep up to date with the latest forecasts in case any
    Watches are upgraded to Warnings, or further areas are added.

    ===========================
    HEAVY RAIN WARNING - ORANGE
    ===========================

    Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and
    slips are also possible and driving conditions may be hazardous.
    Area: The ranges of Westland south of Otira
    Valid: 19 hours from 8:00 pm Tuesday to 3:00 pm Wednesday
    Forecast: Expect a further 80 to 100mm of rain to accumulate on top of what has
    already fallen. Peak rates of 10 to 20mm/h, and thunderstorms likely. Freezing
    level lowering to 1400 metres tonight (Tuesday).
    Area: The headwaters of the Canterbury lakes and rivers
    Valid: 8 hours from 8:00 pm Tuesday to 4:00 am Wednesday
    Forecast: Expect a further 40 to 60mm of rain to accumulate within 15km east of
    the main divide on top of what has already fallen. Peak rates of 10 to 20mm/h,
    and thunderstorms likely. Freezing level lowering to 1600 metres tonight (
    Tuesday).
    Area: Fiordland
    Valid: 31 hours from 8:00 pm Tuesday to 3:00 am Thursday
    Forecast: For the area from Breaksea Sound northwards, and from 8pm Tuesday to
    8am Wednesday: Expect a further 70 to 100mm of rain to accumulate on top of what
    has already fallen. Peak rates of 10 to 20mm/h, with isolated thunderstorms.
    For the area south of Breaksea Sound, and from 3am Wednesday to 3am Thursday:
    Expect 100 to 120mm of rain to accumulate. Peak rates of 10 to 20mm/h, with
    isolated thunderstorms.
    Freezing level lowering to 1300 metres this evening (Tuesday).
    Change note: Have split the area in two, north and south of Breaksea Sound. The
    flow should turn southwest early Wednesday morning, and the heavy rain should
    become confined to south of Breaksea Sound where rainfall amounts are likely to
    reach warning criteria through to early Thursday morning.

    ============================
    STRONG WIND WARNING - ORANGE
    ============================

    Strong wind gusts could damage trees, powerlines and unsecured structures.
    Driving may be hazardous, especially for high-sided vehicles and motorcycles.
    Area: Wairarapa excluding the Tararua District
    Valid: 5 hours from 8:00 pm Tuesday to 1:00 am Wednesday
    Forecast: Northwest gales are forecast to be severe at times, with gusts
    reaching 130 km/h in exposed places.
    Area: Canterbury High Country
    Valid: 13 hours from 8:00 pm Tuesday to 9:00 am Wednesday
    Forecast: Northwest gales are forecast to be severe at times in exposed places,
    with gusts reaching 120 km/h.

    ===========================
    WARNINGS NO LONGER IN FORCE
    ===========================

    Strong wind warning lifted for: Marlborough
    Strong wind warning lifted for: Wellington
    An update for severe weather will be issued by: 10:00 am Wednesday 20-Jan-2021
    A service provided through a contract with the Crown
    (C) Copyright Meteorological Service of New Zealand Ltd 2021


    Article © 2021 NZCity, Metservice, Funded by the NZ Government
    Data is for information only. New Zealand City disclaims all liability or responsibility for any loss or damage that may result from the action or failure to act by any person in reliance on any information provided herein.
    All content © 2021 NZCity Ltd, data © 2021 MetService and other providers.

    © 2021 New Zealand City Ltd