SEVERE WEATHER WARNING.
ISSUED BY MetService AT 8:48am 01-Sep-2015
URGENT - IMMEDIATE BROADCAST IN: Nelson, Buller, Waikato, Bay Of
SEVERE EAST TO SOUTHEAST GALES ABOUT NELSON, BULLER AND NORTHERN
WESTLAND, EASING. HEAVY RAIN FOR WAIKATO, WESTERN BAY OF PLENTY AND
A deep low lying west of the North Island is expected to move over
the South Island early Wednesday. Associated fronts are expected to
move across central and southern New Zealand today (Tuesday). These
fronts are preceded by strong to gale easterly winds, with outbreaks
of heavy rain expected about central parts of the North Island and
the upper South Island. A SEVERE WEATHER WATCH is also in force for
many parts of the country.
This Warning is for the following places:
Severe east to southeast gales gusting 130 km/h about Nelson west of
about Motueka, Buller and northern Westland, especially about western
places north of Westport, are expected to ease early this afternoon
(Tuesday). People are advised winds of this strength can damage
structures, powerlines, and make driving hazardous.
In addition, heavy rain about the Kaimai Range, Bay of Plenty west of
Whakatane, and Waikato is expected to ease early this afternoon
(Tuesday), although a further 90mm is still likely about the Kaimai
Range and western Bay of Plenty this morning. Heavy rain should ease
about western Nelson this afternoon, with a further 70 to 100mm
expected about the ranges. This rainfall may cause slips, surface
flooding, and cause rivers and streams to rise rapidly.
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HEAVY RAIN WARNING
AREA/S AFFECTED: THE KAIMAI RANGE AND BAY OF PLENTY WEST OF MATATA
Heavy rain is expected to ease this afternoon (Tuesday). In the 6
hours from 9am to 3pm today, expect a further 60 to 90mm of rain to
accumulate on top of what has already fallen. Peak intensities of 15
AREA/S AFFECTED: WAIKATO
Heavy rain is expected to ease around midday today (Tuesday). In the
4 hours from 9am to 1pm today, expect a further 30 to 50mm about the
hills south of Hamilton, with 20 to 30mm elsewhere. Peak intensities
of 10 to 20mm/hr.
AREA/S AFFECTED: NELSON WEST OF MOTUEKA
Heavy rain is expected to ease this afternoon (Tuesday). In the 7
hours from 9am to 4pm today, expect a further 70 to 100mm to
accumulate about the ranges between Motueka and Takaka, with a
further 40 to 70mm elsewhere. Peak intensities of 15 to 20mm/hr about
the ranges between Motueka and Takaka.
FREEZING LEVEL: About 1600 metres.
STRONG WIND WARNING
AREA/S AFFECTED: NELSON WEST OF MOTUEKA
Severe east to southeast gales, gusting 130km/h in exposed places,
are expected to ease early this afternoon (Tuesday).
AREA/S AFFECTED: BULLER AND WESTLAND NORTH OF THE GLACIERS
Severe east to southeast gales gusting 120km/h, but 140km/h north of
Westport, are expected to ease by mid-afternoon (Tuesday).
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Tuesday 01-Sep-2015
Forecast prepared by: Leigh Matheson
For further information after 2pm Tuesday 1 September contact Duty
Forecaster Peter Little
A service provided through a contract with the Crown
Short Range Forecast
SEVERE WEATHER WARNINGS AND WATCHES ARE IN FORCE FOR MANY AREAS.
Northland and Auckland: Isolated showers, frequent and heavier tomorrow with possible thunderstorms.
Coromandel Peninsula to Taranaki, including Bay of Plenty and the central high country : Rain, with heavy falls and isolated downpours, clearing early evening with easterly gales easing. Showers tomorrow, some heavy and possibly thundery.
Gisborne to Wairarapa: Rain clearing tonight. Scattered afternoon showers in Wairarapa tomorrow.
Whanganui to Wellington: Rain easing to a few showers this evening. Showers becoming frequent south of Palmerston North tomorrow.
Nelson, Buller and Westland: Periods of rain, especially from tonight, heavy at times with possible thunderstorms tomorrow morning. Severe gale easterlies easing this afternoon.
Marlborough, Canterbury and Otago : Rain, with snow above 500 metres at first south of Marlborough, clearing from Marlborough and Canterbury tonight, but scattered showers there tomorrow evening.
Southland and Fiordland: Occasional rain developing this afternoon.
Chatham Islands : Cloudy. Rain tomorrow.
Thursday: North Island, rain or showers in most places, clearing in the south later. South Island, rain or showers clearing from most places, but still a few showers in the north.
Friday: North Island, rain spreading to most places. South Island, rain or showers spreading to most places, snow lowering to 400 metres in Canterbury, Otago, Southland and Fiordland.
Saturday: North Island, rain easing to showers, then clearing in Bay of Plenty. South Island, rain or showers, snow to 400 metres from Canterbury southwards.
Chatham Islands: Rain at times on Thursday and Friday, northerlies turning southwest for a time late Thursday and Friday morning. Rain becoming heavier and more persistent on Saturday, and northerlies turning southerly then strengthening.