SEVERE WEATHER WARNING.
ISSUED BY MetService AT 9:03am 07-Mar-2015
URGENT - IMMEDIATE BROADCAST IN: Westland, Nelson, Buller, Otago,
HEAVY RAIN FOR WESTLAND, BULLER AND THE RANGES OF NORTHWEST NELSON
SATURDAY, ALSO SIGNIFICANT RAIN ABOUT EASTERN OTAGO AND NORTHERLY
GALES FOR WELLINGTON
An active front, associated with a deep low, is expected to pass east
over the country today, bringing a burst of heavy rain and
thunderstorms to many western places, especially central areas. Heavy
rain about Westland is expected to ease this morning, but rain
continues in Buller and the ranges of northwest Nelson until late
evening, where 75 to 100mm is expected to accumulate. In addition, a
period of rain is expected about Dunedin and Clutha from afternoon,
and is likely to bring significant accumulations to the area, with 40
to 60mm expected in 12 hours.
People should be aware that locally heavy rain and thunderstorms
could cause streams and rivers to rise rapidly, surface flooding and
hazardous driving conditions.
Northerly gales with the low and front are likely to be severe at
times about Wellington today, with gusts of 120 km/h in exposed
places. Winds of this strength have the potential to bring down
trees, powerlines and make driving hazardous for motorcycles and
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HEAVY RAIN WARNING
AREA/S AFFECTED: WESTLAND SOUTH OF OTIRA
Heavy rain is expected to ease this morning. In the 3 hours from 9am
to midday Saturday, expect another 40 to 50mm to accumulate about the
ranges with 20 to 30mm near the coast. Peak intensities of 15 to
25mm/hr with possible thunderstorms.
FREEZING LEVEL: 2600 metres lowering to 2200 metres this morning.
AREA/S AFFECTED: BULLER AND THE RANGES OF NORTHWEST NELSON
Bursts of heavy rain and thunderstorms are expected until late
evening. In the 13 hours from 9am to 10pm Saturday expect 75 to 100mm
to accumulate. Peak intensities 25 to 35mm per hour in thunderstorms.
FREEZING LEVEL: 2800 metres lowering to 2400 metres this morning.
AREA/S AFFECTED: DUNEDIN AND CLUTHA
Steady southeasterly rain is expected to set in this afternoon. In
the 12 hours from 3pm Saturday to 3am Sunday expect 40 to 60mm to
accumulate, especially about the inland ranges.
FREEZING LEVEL: 2200 metres.
STRONG WIND WARNING
AREA/S AFFECTED: WELLINGTON
Severe gale northerlies gusting 120km/h in exposed places until this
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Saturday 07-Mar-2015
Forecast prepared by: Peter Little
A service provided through a contract with the Crown
Short Range Forecast
Northland to Wellington, including Coromandel, Bay of Plenty and the central high country: Rain spreading east today, heavy with squally thunderstorms south of Auckland from this afternoon, easing to isolated showers in the north this evening and elsewhere overnight. Mostly fine for Wellington tomorrow.
Gisborne to Wairarapa: Scattered showers spreading north from this afternoon. Fine tomorrow.
Marlborough, Nelson, Buller, Westland, also Canterbury High Country: Rain with heavy thundery falls, easing to isolated showers this afternoon or evening, but showers persisting in Buller and western ranges of Nelson until late tomorrow morning.
The remainder of Canterbury, also Otago and Southland: Scattered showers, turning to rain in Otago and Southland this evening. Rain or showers clearing tomorrow morning, then mostly fine.
Fiordland: Mainly fine, but scattered rain in east and south today.
Chatham Islands: Drizzle turning to showers tonight, with heavy thundery falls possible tomorrow morning.
Monday: North Island, showers in the west clearing north of Taranaki in the morning. Mainly fine elsewhere. South Island, a few showers in the south and west. Mainly fine elsewhere.
Tuesday: North Island, fine spells and a few showers in the west.Mainly fine elsewhere. South Island, rain of showers for most places, but remaining fine in the north.
Wednesday: North Island, fine spells and a few showers spreading to most places then turning to rain south of Auckland later. South Island, Rain or showers clearing in the south of Hokitika during the morning and fine spells developing.
Chatham Islands: Showers clearing and strong westerlies easing. Fine spells on Tuesday and Wednesday with westerlies dying out.