SEVERE WEATHER WARNING.
ISSUED BY MetService AT 8:41pm 27-Nov-2015
URGENT - IMMEDIATE BROADCAST IN: Wairarapa, Wellington, Kapiti
Horowhenua, Westland, Canterbury High Country, Christchurch,
Canterbury Plains, Marlborough
HEAVY RAIN FOR THE TARARUA RANGE OVERNIGHT. SEVERE NORTHWEST GALES
FOR WELLINGTON AND WAIRARAPA EASING BY MIDNIGHT (FRIDAY).
A weakening front should cross the lower North Island overnight
Friday to Saturday. Heavy rain is expected in the Tararua Range where
a further 60mm to 90mm could accumulate by dawn. Severe northwest
gales affecting exposed parts of Wellington and Wairarapa should ease
People in the affected areas are urged to exercise extreme caution.
Rivers and streams are likely to continue rising, and there could be
surface flooding. Also, winds of this strength can topple trees,
powerlines and irrigation systems, and can make driving extremely
hazardous, especially for motorcycles and high-sided vehicles.
Note, heavy rain has eased over Westland and the southern Alps and
severe gales have eased over Canterbury and Marlborough.
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MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
HEAVY RAIN WARNING
AREA/S AFFECTED: THE TARARUA RANGE
Bursts of heavy rain are expected overnight. In the 10 hours between
8pm Friday and 6am Saturday, expect a further 60 to 90mm to
accumulate. Peak intensities of around 15mm per hour overnight.
STRONG WIND WARNING
AREA/S AFFECTED: WELLINGTON AND SOUTHERN WAIRARAPA
Severe northwest gales gusting 130 km/h in exposed places, easing
before midnight Friday.
WARNINGS NO LONGER IN FORCE
HEAVY RAIN WARNINGS HAVE BEEN LIFTED FOR: WESTLAND
HEAVY RAIN WARNINGS HAVE BEEN LIFTED FOR: HEADWATERS OF THE
CANTERBURY LAKES AND RIVERS
STRONG WIND WARNINGS HAVE BEEN LIFTED FOR: CANTERBURY
STRONG WIND WARNINGS HAVE BEEN LIFTED FOR: MARLBOROUGH
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00am Saturday 28-Nov-2015
Forecast prepared by: Erick Brenstrum
A service provided through a contract with the Crown
Short Range Forecast
Northland south to Taranaki, Taihape, Taupo and Bay of Plenty: Periods of rain, with localised heavy falls and possible thunderstorms, clearing from the south this evening.
Gisborne and Hawkes Bay: A period of rain spreading north today.
Wanganui to Wellington, also Wairarapa (including the Tararua District): Remaining rain clearing this morning and becoming mainly fine.
Nelson and Marlborough: Fine.
Canterbury: Mainly fine, but brief evening showers.
Buller: A few showers developing this morning.
Westland and Fiordland: Rain spreading north this morning, easing to isolated showers this evening.
Otago and Southland: Scattered showers, some heavy with hail.
Chatham Islands: Cloudy with a period of rain.
Sunday: A few showers in Northland, about East Cape, and in Fiordland. Mainly fine elsewhere.
Monday: Becoming cloudy with patchy rain or drizzle from Taranaki to Bay of Plenty northwards. Mainly fine elsewhere.
Tuesday: North Island, cloudy periods in the east and a few showers from Auckland northwards. Cloudy or becoming cloudy elsewhere with patchy rain or drizzle. South Island, rain developing in the west and in Nelson and Marlborough. High cloud and a few spots of rain in Canterbury and North Otago. Mainly fine elsewhere.
Chatham Islands: A few showers on Sunday and northwesterlies changing southwesterly. Mainly fine with light winds on Monday, then cloudy periods on Tuesday and northerlies developing, then strengthening.