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SEVERE WEATHER WARNING.
ISSUED BY MetService AT 1:47pm 25-Sep-2016
URGENT - IMMEDIATE BROADCAST IN: Coromandel Peninsula, Bay Of Plenty,
HEAVY RAIN FOR COROMANDEL PENINSULA, WESTERN BAY OF PLENTY AND
A trough is moving slowly southwards over the upper North Island
preceded by easterly winds and a band of rain. Heavy rain about
Coromandel Peninsula and the western Bay of Plenty is expected to
spread southwards to the Gisborne region tonight, and although it
should ease in the north around dawn Monday it will likely continue
into Tuesday morning about Gisborne.
For Coromandel Peninsula and the western Bay of Plenty another 100mm
of rain may accumulate on top of what has already fallen, while 140mm
may accumulate about the hills and ranges of Gisborne, particularly
north of Tologa Bay.
The heavy rain is expected to cause streams and rivers to rise
rapidly and may cause slips and surface flooding.
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HEAVY RAIN WARNING
AREA/S AFFECTED: COROMANDEL PENINSULA AND BAY OF PLENTY NORTHWEST OF
Heavy rain is expected to continue through to around dawn Monday. In
the 16 hours from 2pm Sunday and 6am Monday, another 80 to 100mm of
rain could accumulate on top of what has already fallen. Peak
intensities of 15 to 25mm per hour.
AREA/S AFFECTED: GISBORNE
Rain is expected to become heavy tonight. In the 30 hours from
midnight Sunday to 6am Tuesday, 120 to 140mm is forecast to
accumulate in the hills and ranges of Gisborne with lesser amounts
down to sea level. Heaviest falls are expected north of Tologa Bay.
Rainfall rates of 15 to 20mm per hour possible.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Sunday 25-Sep-2016
Forecast prepared by: Peter Little
A service provided through a contract with the Crown
Short Range Forecast
Northland: Fine spells and a few showers.
Auckland, to Taranaki and Taumarunui, also Taupo: Rain at first, with a few heavy falls. Showers tomorrow.
Coromandel Peninsula and Bay of Plenty: Rain, with some heavy falls, easing tomorrow.
Gisborne, Hawkes Bay and Wairarapa: Rain, persistent and heavier north of Wairarapa.
Wanganui, Taihape and Manawatu: Scattered rain.
Horowhenua, Kapiti Coast and Wellington: Mostly cloudy. Patchy light rain at times.
Nelson, Buller and Westland: Rain, becoming patchy in Nelson and Buller tomorrow.
Marlborough, Canterbury, North Otago and Dunedin: Cloudy, with patchy rain or drizzle.
Central Otago, Clutha, Southland and Fiordland: Mainly fine at first. Cloudy tomorrow with a few spots of rain.
Chatham Islands: Mostly cloudy. A few showers possible.
Tuesday: North Island, rain in the east, possibly heavy in Gisborne, a few showers elsewhere, especially afternoon. South Island, often cloudy with patches light rain or drizzle.
Wednesday: North Island, rain in the east, showers becoming widespread elsewhere. South Island, rain in Marlborough, patches light rain or drizzle elsewhere, but dry in Southland and Clutha.
Thursday: North Island, rain or showers in most places, sunny breaks increasing Kapiti and Wellington. South Island, cloudy periods in Southland and Clutha.Elsewhere, scattered rain or drizzle gradually clearing.
Friday: North Island, a few showers in the east and far north, becoming fine elsewhere. South Island, remaining drizzle patches clearing, and sunny spells increasing, but showers in Fiordland.
Chatham Islands: From Tuesday through to Thursday, cloudy periods and northeasterlies.