SEVERE WEATHER WARNING AND WATCHES ISSUED FOR MOST OF NEW ZEALAND INCLUDING COROMANDEL
Written by John Grant on September 6, 2021
SEVERE WEATHER WATCH
Issued by MetService at 9:55 am Monday 06-Sep-2021
Heavy rain and severe gales for central and southern New Zealand, and possible heavy snow for southern Fiordland
A low and its associated fronts are expected to move onto the South Island from the Tasman Sea tonight (Monday). The low should move away to southeast early Tuesday while the associated fronts, followed by a cold southwest change, move northeast across New Zealand. This weather system is forecast to bring heavy rain and strong winds to many parts of central and southern New Zealand, and possible heavy snow to southern Fiordland.
Heavy Rain and Severe Gale Warnings and Watches are in force for many places, and a Heavy Snow Watch is now in force for Fiordland south of Te Anau.
Please note a second colder southwest change is expected to spread up the country from late Tuesday into Wednesday bringing snow to even lower levels. Warning amounts of snow is not expected with this second cold change at this stage. However, snowfall is expected to affect many South Island roads and passes and may cause stress to livestock. People are advised to keep up to date with the latest forecasts.
HEAVY RAIN WATCH
Area: The ranges of eastern Bay Of Plenty and inland Gisborne
Valid: 7 hours from 6:00 pm Tuesday to 1:00 am Wednesday
Forecast: Periods of heavy rain. Rainfall amounts may approach warning criteria.
Area: Mount Taranaki
Valid: 12 hours from 6:00 am to 6:00 pm Tuesday
Forecast: Periods of heavy rain. Rainfall amounts may approach warning criteria.
Area: Northwest Nelson, and the ranges of Buller
Valid: 14 hours from 11:00 pm Monday to 1:00 pm Tuesday
Forecast: Periods of heavy rain. Rainfall amounts may approach warning criteria.
Area: Richmond range and Rai valley
Valid: 11 hours from 4:00 am to 3:00 pm Tuesday
Forecast: Periods of rain. Rainfall amounts may approach warning criteria.
HEAVY SNOW WATCH
Area: Fiordland south of Te Anau
Valid: 12 hours from 11:00 pm Monday to 11:00 am Tuesday
Forecast: Snow is forecast to lower to about 400 metres overnight Monday, and snow accumulations may approach warning criteria at 500 metres and above.
STRONG WIND WATCH
Area: Auckland, Great Barrier Island, Coromandel Peninsula, Waikato north of Hamilton
Valid: 8 hours from 11:00 am to 7:00 pm Wednesday
Forecast: Southwest winds may approach severe gale in exposed places.
Area: Wairarapa south of Greytown Point, Wellington and Marlborough Sounds
Valid: 11 hours from 6:00 am to 5:00 pm Tuesday
Forecast: North to northwest winds may approach severe gale in exposed places.
Area: Marlborough apart from the Sounds
Valid: 12 hours from 2:00 am to 2:00 pm Tuesday
Forecast: North to northwest winds may approach severe gale force in exposed places.
An update for severe weather will be issued by: 9:00 pm Monday
06-Sep-2021