SEVERE WEATHER WARNING.
ISSUED BY MetService AT 9:17am 07-May-2015
URGENT - IMMEDIATE BROADCAST IN: Wairarapa, Wellington, Taranaki,
Waitomo, Taupo, Taihape, Taumarunui, Bay Of Plenty Rotorua,
Fiordland, Westland, Nelson, Buller
HEAVY RAIN FOR FIORDLAND, SOUTHERN WESTLAND, AND PARTS OF THE LOWER
AND CENTRAL NORTH ISLAND. SEVERE NORTHWEST GALES FOR WELLINGTON AND
THE SOUTH OF WAIRARAPA.
An active trough which is bringing heavy rain to central New Zealand
is expected to move slowly northeastwards over the North Island
during today (Thursday) and Friday. The heaviest falls are likely
about the Tararua Range, Taranaki, Waitomo, Taumarunui, Tongariro
National Park and the ranges of eastern Bay of Plenty. Accumulations
may reach 120 to 150mm in a 12 to 18 hour period, especially about
the ranges. Another, weaker trough is expected to move onto the far
south of the South Island this morning, then weaken as it moves over
the South Island during Friday. A burst of heavy rain is forecast for
Fiordland and southern Westland, where 80 to 100mm may accumulate in
a 18 to 21 hour period.
People are advised that streams and rivers may rise rapidly. Surface
flooding and slips are likely.
Severe northwest gales gusting 130 km/h are expected to affect
exposed parts of Wellington and the south of Wairarapa at times
before easing this afternoon. Winds of this strength can bring down
trees and powerlines and make driving conditions hazardous for
high-sided vehicles and motorcycles.
Note: Heavy rain in the ranges of Buller and northwest Nelson has
eased and the warning for there is lifted.
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HEAVY RAIN WARNING
AREA/S AFFECTED: TARARUA RANGE
Heavy rain is expected to ease this evening (Thursday). In the 15
hours from 9am to 6pm today, another 80 to 120mm may accumulate on
top of what has already fallen. Peak intensities of 10 to 20mm per
AREA/S AFFECTED: TARANAKI
Periods of heavy rain are expected to ease tonight (Thursday). In the
12 hours from 9am to 9pm today, another 100 to 120mm may accumulate
about the mountain and 50 to 70mm elsewhere, on top of what has
already fallen. Peak intensities 25 to 35mm per hour about the
AREA/S AFFECTED: WAITOMO, TAUMARUNUI AND TONGARIRO NATIONAL PARK
Rain is expected to become heavy late this morning (Thursday), then
ease early Friday morning. In the 18 hours from midday today and 6am
Friday, expect 120 to 150mm to accumulate about Tongariro National
Park and 90 to 120mm elsewhere. Peak intensities 25 to 35mm per hour
AREA/S AFFECTED: RANGES OF EASTERN BAY OF PLENTY
Rain is expected to set in this evening (Thursday), and become heavy
overnight tonight, before easing Friday evening. In the 18 hours from
12am to 6pm Friday, expect 120 to 180mm to accumulate. Peak
intensities of 10 to 15mm per hour.
AREA/S AFFECTED: FIORDLAND
Periods of heavy rain are expected to ease early Friday morning. In
the 21 hours from 9am today (Thursday) to 6am Friday, expect 80 to
100mm of rain to accumulate. Peak intensities of 10 to 15mm per hour
and thunderstorms are possible.
FREEZING LEVEL: About 2000 metres lowering to 1300 metres tomorrow
AREA/S AFFECTED: RANGES OF WESTLAND SOUTH OF WHATAROA
Rain is expected to set in this afternoon and become heavy this
evening, before easing late Friday morning. In the 18 hours from 6pm
this evening (Thursday) to midday Friday, expect 80 to 100mm of rain
to accumulate. Peak intensities of 10 to 15mm per hour and
thunderstorms are possible.
FREEZING LEVEL: About 2000 metres lowering to 1400 metres tomorrow
STRONG WIND WARNING
AREA/S AFFECTED: WELLINGTON AND WAIRARAPA SOUTH OF MASTERTON
Northwest gales are expected to be severe at times gusting 130 km/h
in exposed places. The gales are expected to slowly ease during
WARNINGS NO LONGER IN FORCE
HEAVY RAIN WARNINGS HAVE BEEN LIFTED FOR: THE RANGES OF BULLER AND
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Thursday 07-May-2015
Forecast prepared by: Sarah Garlick
A service provided through a contract with the Crown
Short Range Forecast
Northland to Waikato, including Coromandel and Bay of Plenty: Isolated showers, turning to rain this evening, with heavy falls, easing later tomorrow.
Waitomo and the central high country: Rain, with heavy falls, easing to showers in the morning.
Gisborne and Hawkes Bay: Cloudy with patchy rain, clearing Hawkes Bay tomorrow.
Taranaki to Wellington: Outbreaks of rain, with heavy falls north of Palmerston North, easing from the south today, clearing from Kapiti Coast and Wellington by tomorrow afternoon.
Buller, Westland and Fiordland: Occasional rain, possibly heavy and thundery, easing to showers later tomorrow.
Wairarapa, Nelson, Marlborough and Canterbury: Mainly fine. A few showers possible in Nelson overnight and in Wairarapa tomorrow evening.
Otago and Southland : Mainly fine. A few spots of rain this afternoon and again overnight.
Chatham Islands: Cloudy. Occasional rain clearing tomorrow afternoon.
Saturday: North Island, remaining showers clearing in the morning, then mostly fine. South Island, rain or showers in the west, with heavy falls,scattered rain developing in the south, mainly fine elsewhere.
Sunday: North Island, mainly fine, cloudy periods in the west and about the Central Plateau. South Island, rain, with heavy falls, in the west, scattered rain in Otago and Southland, fine with high cloud elsewhere.
Monday: North Island, becoming cloudy with rain or showers in most places, but dry with high cloud in the east. South Island, rain with heavy falls in the west and scattered rain elsewhere.
Chatham Islands: Mostly cloudy, with drizzle at times. Northerlies developing on Sunday and freshening during Monday.