SEVERE WEATHER WARNING.
ISSUED BY MetService AT 8:39am 04-Oct-2015
URGENT - IMMEDIATE BROADCAST IN: Otago, Southland, Canterbury,
Marlborough, Wellington, Wairarapa, Hawkes Bay, Fiordland
STORMY WEATHER FOR SOUTHERN AND CENTRAL NEW ZEALAND TODAY, WITH
POTENTIALLY DAMAGING WINDS FROM SOUTHLAND TO HAWKES BAY AND
ESPECIALLY ABOUT INLAND CANTERBURY.
A front is forecast to move onto southern New Zealand later today and
then cross central New Zealand early Monday, while a deep low passes
to the south. These features are forecast to bring unusually strong
northwest winds to southern and central New Zealand during Sunday,
with severe gales likely in many places. The strongest winds are
expected about Canterbury, Otago and Southland, where damaging gusts
around 150 km/h or more are likely in exposed places. A period of
severe west to northwest gales is also expected about Marlborough,
Wellington, Wairarapa and Hawkes Bay, where gusts of 120 to 140km/h
are likely in exposed places.
People are advised that winds of this strength can cause damage to
trees, powerlines and lift roofs, as well as making travelling
In addition, the moist northwesterlies bring a period of heavy rain
to the fiords today, and a further 70mm could accumulate on top of
what has already fallen. People there, especially trampers, are
advised that rivers and streams are likely to rise rapidly and that
slips are possible.
FOR THE LATEST WEATHER AND FORECAST CHARTS PLEASE GO TO
MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
HEAVY RAIN WARNING
AREA/S AFFECTED: FIORDLAND
Rain is expected to be heavy at times until this evening. In the 12
hours from 8am to 8pm Sunday, expect a further 60 to 70mm of rain to
accumulate on top of what has already fallen. Peak intensities of 10
to 20mm per hour late morning and early afternoon, especially with
FREEZING LEVEL: 2200 metres lowering to 1200 metres Sunday afternoon.
STRONG WIND WARNING
AREA/S AFFECTED: SOUTHLAND AND OTAGO
Severe northwest gales gusting 150 km/h or possibly more in exposed
places are expected from this morning until late evening.
AREA/S AFFECTED: CANTERBURY
Severe northwest gales gusting 160 km/h or possibly more in exposed
places and especially the High Country are expected from mid-morning
AREA/S AFFECTED: MARLBOROUGH
Severe northwest gales gusting 130 km/h in exposed places are
expected from this afternoon until early Monday morning.
AREA/S AFFECTED: WELLINGTON
Severe northwest gales gusting 120 km/h are expected from
mid-afternoon today until early Monday morning.
AREA/S AFFECTED: WAIRARAPA
Severe northwest gales gusting 140 km/h in exposed places are
expected from late afternoon today until early Monday morning.
AREA/S AFFECTED: HAWKES BAY
Severe west to northwest gales gusting 130 km/h in exposed places are
expected from this evening until around dawn Monday, mainly south of
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Sunday 04-Oct-2015
Forecast prepared by: Erick Brenstrum
A service provided through a contract with the Crown
Short Range Forecast
Severe gales will affect many parts of the South Island and lower North Island today. Warnings and watches in place.
Northland to Taranaki, including Coromandel, Bay of Plenty, the central high country: Cloud increasing, scattered showers developing overnight. Clearing tomorrow morning.
Gisborne, Hawkes Bay, Wairarapa: Mainly fine, however a few coastal showers tomorrow morning.
Wanganui to Wellington: Mostly fine for Wellington. Cloudy periods further north, and a few showers this evening.
Nelson, Marlborough, Canterbury, North Otago: Thick high cloud, with scattered rain about the Canterbury high country.Clearing overnight.
Fiordland, Southland, remainder of Otago: Squally showers, some possibly thundery. Clearing overnight, however rain for Fiordland later tomorrow.
Buller, Westland: Heavy rain spreading north this afternoon, possibly thundery in the ranges. Clearing tomorrow morning, with cloudy periods tomorrow night.
Chatham Islands: Mostly cloudy. Showers tomorrow.
Tuesday: North Island, fine, and warm in the east. South Island, fine and warm in the east and cloudy periods in the west, with patchy drizzle in Fiordland and Westland.
Wednesday: North Island, fine spells in the north, fine and warm in the east,and increasing cloudy periods elsewhere. South Island, rain spreading north in the west, with heavy falls in Fiordland, then easing from the south. Elsewhere, showers spreading north with a change to cooler temperatures.
Thursday: North Island, a period of showers with a change to cooler temperatures. South Island, a few showers, more frequent in the far south, but dry in Nelson.
Friday: North Island, a few showers Auckland north, and mainly fine elsewhere. South Island, a few showers in the west and south, and mainly fine elsewhere.
Chatham Islands: Mainly fine on Tuesday and Wednesday. A few showers developing on Thursday. Westerlies throughout the period, strong at times.