Weather Warning


SEVERE WEATHER WARNING.
ISSUED BY MetService AT 8:38am 25-May-2016
URGENT - IMMEDIATE BROADCAST IN: Bay Of Plenty, Taranaki, Tararua,
Wairarapa, Kapiti Horowhenua, Buller

PERIODS OF HEAVY RAIN TODAY FOR EASTERN BAY OF PLENTY, MOUNT
TARANAKI, THE TARARUA RANGE AND BULLER
A complex trough is moving eastwards across New Zealand today, with
bands of heavy rain and squally thunderstorms affecting central and
northern New Zealand. The largest rainfall accumulations are likely
to be about Buller, where a further 30 to 40mm could until around
midday, Mt Taranaki and the Tararua Range, where a further 60 to 80mm
could fall on top of what has already fallen until around 6pm, and
the ranges of eastern Bay of Plenty where 80 to 100mm of rain could
fall until around 9pm this evening.
People, especially trampers, are advised that this amount of rain
could cause rivers and streams to rise rapidly, with surface flooding
and slips possible.
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MORE DETAILED INFORMATION FOR EMERGENCY MANAGERS AND TECHNICAL USERS
FOLLOWS.
______________________
HEAVY RAIN WARNING
______________________
AREA/S AFFECTED: THE RANGES OF EASTERN BAY OF PLENTY
FORECAST:
Periods of heavy rain are expected today. In the 12 hours from 9am to
9pm, expect 80 to 100mm to accumulate. Peak intensities of 10 to 20mm
per hour, with possible thunderstorms.
AREA/S AFFECTED: MT TARANAKI
FORECAST:
Periods of heavy rain are expected today. In the 9 hours from 9am to
6pm expected a further 60 to 80mm to accumlate, on top of what has
already fallen. Peak intensities of 10 to 20mm per hour, with
possible thunderstorms.
AREA/S AFFECTED: TARARUA RANGE
FORECAST:
Periods of heavy rain are expected to ease this afternoon. In the 9
hours between 9am and 6pm expect a further 60 to 80mm to accumulate,
on top of what has already fallen. Peak intensities of 10 to 20mm per
hour, with possible thunderstorms.
AREA/S AFFECTED: BULLER
FORECAST:
Periods of heavy rain are expected to ease around midday today. In
the 3 hours between 9am and midday today, expect a further 20 to 40mm
to accumulate, especially about the ranges. Peak intensities of 20mm
per hour, with possible thunderstorms. Note, further rain is likely
tomorrow.
FREEZING LEVEL: 1700 metres.
NEXT SEVERE WEATHER WARNING WILL BE ISSUED AT OR BEFORE
9:00pm Wednesday 25-May-2016
Forecast prepared by: William Nepe
For further information after 1pm contact Duty Forecaster Rochelle
Fleming
A service provided through a contract with the Crown

Short Range Forecast

201605262359

In the west from Northland to Kapiti, also Coromandel and the central high country: Showers, some heavy with hail and squally thunderstorms, gradually easing tomorrow.
Bay of Plenty: A few showers, some heavy with thunderstorms tonight.
Gisborne and Hawkes Bay: A few showers tonight, otherwise mainly fine.
Wellington and Wairarapa: A few showers, some heavy at times, with possible thunderstorms tonight.
Nelson and Marlborough: Fine, apart from a few showers tomorrow morning.
Canterbury: Fine, apart from the odd shower tomorrow.
Otago and Southland: Cloudy at times, with a few showers.
Buller to Fiordland: Occasional rain or showers, with some heavy and possibly thundery falls tomorrow.
Chatham Islands: Occasional showers, some heavy tomorrow evening.

Extended Forecast

201605282359

Friday: North Island, a few showers in the north and west turning to rain about Taranaki afternoon and other areas in the evening. Fine in the east. South Island, a few showers in the far south and also about Buller, then evening rain in the north. Mainly fine elsewhere.
Saturday: North Island, morning rain, with thundery in the west, followed by showers. South Island, thundery rain in the north easing during the morning. Rain in the east with snow down to 800 metres about the South Canterbury high country. A few showers in the far south, but mainly fine about Fiordland.
Sunday: North Island, showers, but only a few in the far south and east. South Island, a few showers and fine spells.
Chatham Islands: Showers clearing on Friday with westerlies easing. Heavy rain and strong northeasterlies on Saturday, then showers on Sunday with northerlies turning westerly and rising to gale.

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